Top Call Center Services & Voice Services in Sao Paulo

Ratings Updated: September 18, 2026

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Featured

What are Featured Providers?
Hugo Inc.

5.0 28 reviews

$1,000+

< $25 / hr

1,000 - 9,999

Serves Sao Paulo, Brazil

Services provided

20% Call Center Services

25% Customer Service Outsourcing

15% Back Office Outsourcing +4 services

10% Content Moderation Services

10% Data Annotation Services

10% Finance & Accounting Outsourcing (FAO)

10% Sales Outsourcing

Hugo Inc. | Top CX Provider is a distinguished company specializing in Contact Center Services, offering comprehensive Customer Support Services across various channels such as email, chat, and phone. The client reviews highlight their adaptability and efficiency, with 100% positive feedback on their seamless integration and ability to enhance customer engagement capabilities, resulting in impressive metrics like a 99.8% accuracy in order processing and fulfillment.

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3 of 3 Call Center Services reviews are 5 stars

$50,000 – $199,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Back Office Outsourcing for E-Commerce Co
5.0 — Hugo provides back-office outsourcing for an e-commerce company. The team has handled the client's back-office tasks, managed communications and relationships with retailers' networks, and vetted Read more
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Industry Experience

Hugo Inc. has garnered positive feedback across multiple industries, including Financial Services, eCommerce, Automotive, Software, Environmental Services, Advertising & Marketing, Information Technology, and Gaming. Their expertise in customer support, operational efficiency, and content management has consistently been highlighted as a strength. Clients noted significant improvements in response times, customer satisfaction, and overall efficiency. Hugo's ability to adapt to various industry needs, coupled with their commitment to high-quality service, positions them as a valuable partner for businesses seeking to enhance their operations.
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Financial services eCommerce Automotive Food & Beverages Software Information technology Environmental Services Advertising & marketing Gaming Media

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Average Project Cost Breakdown

$50,000 to $199,999 (7) $200,000 to $999,999 (6) $10,000 to $49,000 (2)

What Clients Have Said
Clients consistently commend the company for its exceptional value for money, highlighting that Hugo offers high-quality services at competitive rates. One client noted, 'Good value for cost,' while another emphasized their 'ability to scale services without compromising quality.' Many reviews reflect satisfaction with cost reductions and enhanced operational efficiency, with one client praising an '80% improvement in efficiency' compared to in-house hiring. Overall, the sentiment is overwhelmingly positive, indicating that clients perceive Hugo as a cost-effective partner.
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United States (9) Kenya (3) France (1) Netherlands (1) United Arab Emirates (1) England (1)

This provider is fluent in 54 languages:

Mandarin

English

Spanish

Arabic

Bengali

Hindi

Russian

Portuguese

Japanese

German

Javanese

Korean

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This provider is available in 38 time zones:

Colombia Time (COT)

Near East Time (NET)

Middle East Time (MET)

China Taiwan Time (CTT)

Gulf Standard Time (GST)

Brazil Eastern Time (BET)

Greenwich Mean Time (GMT)

India Standard Time (IST)

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Helpware CX

4.8 47 reviews

Premier Verified

$5,000+

< $25 / hr

1,000 - 9,999

Serves Sao Paulo, Brazil

Services provided

20% Call Center Services

50% Customer Service Outsourcing

10% Back Office Outsourcing +2 services

10% Content Moderation Services

10% Data Annotation Services

Helpware CX is a professional provider of Contact Center Services, specializing in comprehensive Customer Support Services including Inbound and Outbound Call Handling, Phone Support, and Telephonic Support. The company has consistently received high ratings, with reviews highlighting their flexibility, seamless integration, and proactive management. Approximately 90% of reviews noted their impressive ability to customize services, adapt quickly, and maintain effective communication.

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Reviews mention Great team
Clients consistently praise Helpware for their outstanding team dynamics and performance. Feedback highlights their effective communication, adaptability, and commitment to exceeding expectations. One client noted, 'Helpware has been excellent,' and another emphasized their 'impressive company culture and adaptability.' Overall, the sentiment is overwhelmingly positive, with clients describing Helpware as a 'great team' that has significantly improved their operational efficiency and customer satisfaction.

Customer Service Outsourcing for Parking Software Company

5.0 Feb 12, 2024

The first employee we had quickly became our shining star. However, the whole team deserves five stars; they’re all fantastic people. We’ve been impressed by how they deal with clients. They’re patient, professional, and polite.
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BPO for Meditation App Business

5.0 Nov 9, 2020

Their communication is impressive. The team has been excellent. Even when the organization has been confused about what to do, Helpware has been clear about what they need and what they want to do.
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Customer Service via Chat

5.0 Feb 1, 2019

Their team members have been very understanding and easy to work with. Also, they're very flexible and accommodating. There was one team member whose level of English wasn't sufficient to work with chats, so Helpware reassigned her to a different project and gave us someone else.
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Data Entry & Back Office Support for Marketing Services Company

5.0 Oct 17, 2018

Helpware has grown in size and upgraded their technological resources: software, hardware, and laptops. The company has cultivated a good work environment by taking care of its employees. We’re lucky to have had such a positive experience. Helpware maintains open lines of communication to deliver whatever we need. That service makes them feel like going to a colleague down the hall for help.
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Customer Support for Lifestyle Product Supplier

5.0 Apr 4, 2019

Helpware provides professional support efforts and helped us build a culture in our customer service department. Their passion, integrity, and eagerness are infectious, and they’ve helped us build out a team with processes and roles. Every team member is generous with their time, attentive to our requests, and quick to respond to anything. They take great pride in their work.
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17 of 21 Call Center Services reviews are 5 stars

$200,000 – $999,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for Digital Government Partner
5.0 — Helpware provides call center services for a digital government partner. They offer resources to assist the public on phones and email by responding to inbound calls and reviewing applications. Read more
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More responsive than most other service providers

Helpware CX is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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United States (40) Canada (1) Georgia (1) Kenya (1) New Zealand (1)

This provider is fluent in 16 languages:

Mandarin

English

Spanish

Arabic

Russian

Portuguese

Japanese

German

Korean

French

Vietnamese

Italian

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This provider is available in 32 time zones:

Near East Time (NET)

Middle East Time (MET)

China Taiwan Time (CTT)

Brazil Eastern Time (BET)

Greenwich Mean Time (GMT)

India Standard Time (IST)

Japan Standard Time (JST)

Midway Islands Time (MIT)

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Select VoiceCom

Not yet reviewed

Verified

$5,000+

< $25 / hr

1,000 - 9,999

Serves Sao Paulo, Brazil

Services provided

30% Call Center Services

30% Customer Service Outsourcing

10% Back Office Outsourcing +3 services

10% Finance & Accounting Outsourcing (FAO)

10% IT Staff Augmentation

10% Sales Outsourcing

Select VoiceCom is a provider of Contact Center Services, specializing in customer support, telephonic support, and telemarketing services. Reviews indicate a strong cultural fit with clients, highlighted by impressive communication and project management skills. Notably, Select VoiceCom achieved a 35% increase in customer satisfaction and a 25% boost in sales conversions. Positive feedback predominates, with no significant areas for improvement highlighted by clients.
Reviews mention Easy to work with
Clients consistently describe Select VoiceCom as easy to work with, highlighting their open communication and responsiveness. One client noted, 'their team has been amazing to work with,' appreciating the honest feedback exchange. Another remarked on their 'personalized approach' and willingness to adapt, stating they are 'very easy to speak to.' Overall, the sentiment reflects a strong alignment in culture and values, contributing to a collaborative and effective partnership.

Recruitment Services for Financial Services Company

4.5 Oct 17, 2025

We have found SVC an extremely well organized and communicative team. They respond within 24 hours and have been very open to suggestions, needs, or requests to make the process work for everyone involved. We love their personalized approach, very easy to speak to, honor what they say they are going to do and are open minded to change.
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2 of 4 Call Center Services reviews are 5 stars

$200,000 – $999,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for Third-Party Management Company
4.5 — Select VoiceCom provides call center services for a third-party management company. The team handles customer calls and supports the client's internal call center. Read more
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Average Project Cost Breakdown

$10,000 to $49,000 (2) $50,000 to $199,999 (2) $1,000,000 to $9,999,999 (2) $200,000 to $999,999 (1)

What Clients Have Said
Clients express a strong sentiment regarding Select VoiceCom's cost-effectiveness and value for money, often highlighting it as a key reason for their selection. One client noted it offered 'good value for cost,' and another mentioned the 'high ratings' and 'great culture fit' that justified their investment. Overall, feedback indicates that Select VoiceCom consistently delivers results that exceed expectations, making them a reliable partner for various business needs.
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United States (7) Australia (1)

This provider is fluent in 1 language:

English

This provider is available in 1 time zone:

Eastern Standard Time (EST)

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TDCX

4.8 12 reviews

Verified

$100,000+

Undisclosed

10,000+

São Paulo, Brazil

Services provided

10% Call Center Services

50% Customer Service Outsourcing

20% Sales Outsourcing +2 services

10% Business Consulting

10% Content Moderation Services

TDCX is a prominent provider of Contact Center Services, offering comprehensive customer support solutions including inbound and outbound call handling, telemarketing, and customer care services. Reviews indicate a high satisfaction with TDCX's ability to provide scalable, high-quality service, with impressive results in customer satisfaction and service excellence. Approximately 95% of feedback highlights their effective communication, adaptability, and innovative approach to problem-solving.

See all 12 projects
6 of 6 Call Center Services reviews are 5 stars

$1,000,000 – $9,999,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Customer Deployment for Consumer Products Company
5.0 — TDCX supports customer experience deployment services for a consumer products company. They are also tasked with maintaining their own unique internal culture. Read more
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Industry Experience

TDCX demonstrates strong capabilities across various industries, including Hospitality & Leisure, Social Networking, Financial Services, Food & Beverages, Software, Consumer Products, Retail, and IT Services. Feedback emphasizes their agility, innovative problem-solving, and exceptional communication. Clients commend their ability to scale operations while maintaining high service quality, particularly in customer support and risk assessment. Overall sentiment is positive, with notable strengths in fostering partnerships, operational excellence, and a dedication to enhancing customer experience.
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Hospitality & leisure Social Networking Financial services Food & Beverages Software Consumer Products Retail IT Services

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Average Project Cost Breakdown

$1,000,000 to $9,999,999 (2) $200,000 to $999,999 (1) $10,000,000 + (1)

What Clients Have Said
Clients have expressed a generally positive sentiment regarding TDCX's cost and value for money. Feedback highlights their ability to deliver high-quality services while maintaining competitive pricing, as noted by a vendor manager who emphasized TDCX's best value in terms of cost and quality. However, some clients suggested that pricing could be more competitive. Overall, TDCX is regarded as a reliable partner that provides significant value, often exceeding expectations in service delivery.
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Singapore (7) Germany (1) Spain (1) United States (1)

This provider is available in 32 time zones:

Near East Time (NET)

Middle East Time (MET)

China Taiwan Time (CTT)

Brazil Eastern Time (BET)

Greenwich Mean Time (GMT)

India Standard Time (IST)

Japan Standard Time (JST)

Midway Islands Time (MIT)

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Customer Umbrella

5.0 20 reviews

$1,000+

< $25 / hr

250 - 999

São Paulo, Brazil

Services provided

10% Call Center Services

10% Back Office Outsourcing

10% Content Moderation Services +7 services

10% Customer Service Outsourcing

10% Data Annotation Services

10% Employer of Record (EOR) Services

10% PEO/Employee Leasing

10% Recruiting

10% Sales Outsourcing

10% Staffing

Customer Umbrella is a proficient provider of Contact Center Services, excelling in Customer Support Services, Inbound and Outbound Call Center, and Telephonic Support. Reviewers consistently praise their professionalism and seamless integration into client operations, with 100% positive feedback highlighting their outstanding customer service and effective communication. Their expertise in call handling and proactive problem-solving significantly enhances client satisfaction and operational efficiency.

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Reviews mention Great project management
Client feedback highlights exceptional project management by Customer Umbrella, characterized by timely delivery and responsiveness. One client noted their 'project management was seamless and highly responsive,' with tasks consistently delivered ahead of deadlines. Another client praised their adaptability to new requests, stating they were 'always on time' and 'adapting their strategy' to meet evolving needs. Overall, sentiment is overwhelmingly positive, emphasizing their effective communication and ability to integrate seamlessly with client teams.

Call Center Services for Healthcare Company

5.0 Feb 5, 2024

Regarding project management, Customer Umbrella has performed admirably. Their correspondence, mostly conducted via email, has been prompt and effective. In addition to meeting our needs, the customer service representative's forward-thinking and kind demeanour added to our overall satisfying experience.
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Customer Support for Game Development Company

5.0 Jan 20, 2023

It is very effective. Our communication is great and we are always keeping each other up-to-date regarding any changes within the game project. Customer Umbrella takes a lot of time to listen to our custom requests and workflows and adapts to them effortlessly.
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Dev Staff Augmentation for Salesforce Consultancy

5.0 Jun 24, 2025

Their project management was seamless and highly responsive. They adapted to our internal tools (Jira, Slack, GitLab) without friction and were present in all daily standups and planning meetings. Tasks were consistently delivered on or before deadlines, and any roadblocks were communicated proactively.
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3 of 4 Call Center Services reviews are 5 stars

Less than $10,000 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Customer Support Services for Sports Betting & Gambling Firm
5.0 — Customer Umbrella provided customer support services for a sports betting and gambling firm. Their responsibilities included outbound calls, live chat support, and answering customer email Read more
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Average Project Cost Breakdown

$10,000 to $49,000 (9) Less than $10,000 (2)

What Clients Have Said
Client feedback on Customer Umbrella consistently highlights their strong value for money, with many noting that their pricing aligns well with budget expectations. One client emphasized that Customer Umbrella’s pricing fit their budget while delivering high-quality service, stating they experienced a significant boost in customer satisfaction and operational efficiency. Overall sentiment indicates that clients appreciate the balance of cost and quality, with several reviews mentioning the impressive results achieved without exceeding budgets.
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São Paulo, Brazil

Av. Paulista Bela Vista
São Paulo, Brazil 01310
50 - 75

+359885379385

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Featured

What are Featured Providers?

SupportYourApp

4.8 86 reviews

Verified

$1,000+

< $25 / hr

1,000 - 9,999

Serves Sao Paulo, Brazil

Services provided

30% Call Center Services

30% Customer Service Outsourcing

20% AI Agents +2 services

15% Back Office Outsourcing

5% Data Annotation Services

SupportYourApp is a leading provider of Contact Center Services, specializing in Customer Support Services, including Phone Support and Call Handling. Over 90% of reviewers praise their responsiveness, professionalism, and ability to manage high volumes of tickets, with many highlighting their project management skills and adaptability in offering 24/7 Customer Service Center support. The company consistently delivers value, maintaining a strong reputation for quality and client satisfaction.

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30 of 33 Call Center Services reviews are 5 stars

1 new review for Call Center Services in past 6 months

$50,000 – $199,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for Water & Energy Metering Company
5.0 — SupportYourApp provides customer care services for a water and energy metering company. The team answers first-level questions, handles hotline calls, and provides TeamViewer problem-solving. Read more
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Industry Experience

SupportYourApp has received positive feedback across multiple industries, including Financial Services, Media, Energy & Natural Resources, Retail, Information Technology, and Education. Clients highlight their scalability, responsiveness, and expertise in customer support, with notable achievements in improving response times and customer satisfaction. Financial services and retail companies benefit from their ability to handle complex inquiries, while tech firms appreciate their technical proficiency. Overall, industries seeking reliable customer support and effective communication will find SupportYourApp to be a suitable partner.
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Hospitality & leisure Non-profit Consumer Products eCommerce HVAC Healthcare Telecommunications Arts, entertainment & music Research Transportation Other Industry Social Networking Business services Gaming Software Education Financial services Energy & natural resources Manufacturing Fitness Wellness & Fitness Advertising & marketing Other industries Information technology Retail Media IT Services

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Average Project Cost Breakdown

$10,000 to $49,000 (19) $50,000 to $199,999 (11) Less than $10,000 (7) $1,000,000 to $9,999,999 (2) $200,000 to $999,999 (1)

What Clients Have Said
Clients have generally expressed satisfaction with SupportYourApp's pricing and perceived value, noting that their costs align well with budgets. For instance, a client from Lopay highlighted their good value for the cost, while another from Fourth Estate appreciated their budget-friendly pricing. However, some negative feedback regarding service quality and accountability suggests that not all clients felt they received the expected value, particularly when issues arose. Overall, the sentiment leans towards positive, but with caveats regarding service consistency.
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More responsive than most other service providers

SupportYourApp is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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six eleven global services

4.8 10 reviews

Verified

$1,000+

< $25 / hr

1,000 - 9,999

Serves Sao Paulo, Brazil

Services provided

40% Call Center Services

30% Back Office Outsourcing

30% Customer Service Outsourcing

Six Eleven Global Services is a customer support services provider specializing in call handling and customer service operations. The company has garnered positive feedback, with reviewers highlighting their exceptional responsiveness and alignment with company values. A significant 100% of reviewers commend their swift one-hour response times and the cultural fit, without any noted areas for improvement.

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1 of 1 Call Center Services reviews are 5 stars

$50,000 – $199,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Services for E-Commerce Company
5.0 — Six eleven global services provides call center services to help an e-commerce company communicate with their customers. The vendor's team asks the end customers about their product experience. Read more
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Industry Experience

Six Eleven Global Services has demonstrated strengths in various industries, including Advertising & Marketing, Logistics & Supply Chain, Beauty & Cosmetics, Telecommunications, Consulting, and Wellness & Fitness. Clients praised their effective communication, high-quality service, and responsiveness. They excelled in providing customer support and managing projects with impressive accuracy, particularly in Logistics and Telecommunications where they ensured operational efficiency. Overall, they are a strong fit for companies seeking reliable outsourcing solutions in these sectors.
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Logistics & Supply Chain Advertising & marketing Beauty & Cosmetics Telecommunications Consulting Wellness & Fitness

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More responsive than most other service providers

six eleven global services is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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United States (6) Canada (1) Malaysia (1)

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Simply Contact

4.8 26 reviews

$1,000+

< $25 / hr

250 - 999

Serves Sao Paulo, Brazil

Services provided

35% Call Center Services

55% Customer Service Outsourcing

10% Back Office Outsourcing

Simply Contact is a professional contact center services company specializing in inbound and outbound call handling, customer support services, and telephonic support across various languages and channels. Reviews indicate a remarkable satisfaction rate, with over 95% of feedback being positive, highlighting their efficiency, adaptability, and exceptional customer care services. Notably, Simply Contact achieved a 30-45% increase in customer satisfaction scores for multiple clients.

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Reviews mention Great team
Clients consistently praise Simply Contact for their professionalism and reliability, highlighting their organized workflows and exceptional support. One client noted a significant increase in customer satisfaction by over 20% due to their effective technical support services. The flexibility of their cooperation model and commitment to continuous improvement further solidify their reputation as a great partner, with feedback emphasizing their proactive approach and dedication to resolving user issues.

Customer Service Outsourcing for CRM Consulting Company

5.0 Dec 8, 2023

What has really impressed us about Simply Contact is their amazing customer service team. They could easily manage different ways of communicating with customers, like phone, email, and social media, and they were consistently good at it. They were also really good at solving problems before they became bigger issues, and always went above and beyond to make sure customers were happy.
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12 of 15 Call Center Services reviews are 5 stars

$200,000 – $999,999 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Call Center Staffing for Government Helpline
5.0 — Simply Contact provides staff to a government hotline's team; they hire and train call center agents to cover workflows around the clock. They've organized the hotline's IT structure, monitoring, Read more
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Industry Experience

Simply Contact has demonstrated expertise across multiple industries, including Information Technology, Financial Services, Education, and Advertising & Marketing. Clients highlight their strengths in providing multilingual customer support, enhancing operational efficiency, and improving customer satisfaction metrics. Overall sentiment is positive, with feedback praising their adaptability, responsiveness, and ability to deliver tailored solutions. Organizations within these sectors can particularly benefit from Simply Contact's customer support services.
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Software Information technology Financial services Education Advertising & marketing IT Services Arts, entertainment & music Retail Hospitality & leisure Human Resources Business services Telecommunications

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Average Project Cost Breakdown

$10,000 to $49,000 (6) $1,000,000 to $9,999,999 (4) $50,000 to $199,999 (3)

What Clients Have Said
Overall, client feedback indicates that Simply Contact offers good value for money, with several reviews highlighting their competitive pricing and cost efficiency. For instance, one client noted they selected Simply Contact due to its 'good value for cost,' while another emphasized that their pricing fit their budget. However, there were mentions of areas for improvement in their pricing strategy. The general sentiment reflects satisfaction with the service quality relative to the costs incurred.
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Labora

5.0 1 review

$1,000+

Undisclosed

10 - 49

São Paulo, Brazil

Services provided

50% Customer Service Outsourcing

50% Sales Outsourcing

Labora is a business process outsourcing company specializing in connecting influencers with travelers. The reviews highlight their effective project management, with timely deliverables and excellent response times. While clients appreciate their dedication, some suggest incorporating AI more effectively. Overall feedback is predominantly positive, underscoring their strong cultural fit and commitment to client projects.

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Industry Experience

Labora has demonstrated expertise in the Information Technology sector, particularly in facilitating connections between influencers and travelers through Business Process Outsourcing strategies. Clients have praised their timely delivery, strong communication, and commitment to project success. Overall sentiment within this industry is positive, highlighting Labora's ability to enhance user experiences and foster community engagement. Potential clients in travel and influencer marketing may find Labora particularly well-suited for their projects.
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Information technology

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Average Project Cost Breakdown

$50,000 to $199,999 (1)

What Clients Have Said
Clients have noted that Labora offers good value for money, with timely deliverables and responsive communication. One client highlighted their project management effectiveness, stating, "Most of their deliveries were on time" and praised their quick response times. Overall, the sentiment is positive, with clients appreciating the company's commitment to their projects, although there are suggestions for improvement, such as better integration of AI technology.
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Combine Global Recruitment

5.0 1 review

$1,000+

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

30% Recruiting

15% HR Outsourcing

15% Staffing +4 services

10% Customer Service Outsourcing

10% Executive Search

10% Recruitment Process Outsourcing

10% Sales Outsourcing

Combine Global Recruitment specializes in structuring management teams for fast-growing companies and creating efficient organizational structures. Their reviews highlight a seamless workflow with prompt, constructive communication, and comprehensive candidate data, facilitating informed decision-making. The feedback is overwhelmingly positive, with clients praising their strategic approach and effectiveness in meeting ambitious growth objectives. The company's ability to quickly grasp core business needs is particularly impressive.

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Industry Experience

Combine Global Recruitment has demonstrated expertise in the Logistics & Supply Chain sector, particularly with fast-growing companies like Nowports. Feedback highlights their strategic approach to building effective teams and company culture, resulting in solid organizational structures and quality candidate pipelines. Clients commend their ability to provide comprehensive data for decision-making and effective communication throughout the engagement. Overall, sentiment in this industry is highly positive, indicating a strong fit for organizations seeking robust recruitment solutions.
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Logistics & Supply Chain

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Average Project Cost Breakdown

$10,000 to $49,000 (1)

What Clients Have Said
Clients have praised Combine Global Recruitment for their holistic approach and strategic insights, which are perceived as valuable in meeting fast growth demands. One client noted the comprehensive candidate data provided, aiding in informed decision-making. Overall, the sentiment reflects satisfaction with the cost-to-value ratio, highlighting that the service's quality justifies the investment. The direct involvement of senior leadership, such as the CEO, was also appreciated, enhancing the perceived value.
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More responsive than most other service providers

Combine Global Recruitment is very responsive
They are a great candidate to start a conversation with. Send them a short message or project inquiry.
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Apex America

Not yet reviewed

$10,000+

Undisclosed

10,000+

Sao Paulo, Brazil

Services provided

40% Call Center Services

20% Back Office Outsourcing

20% Customer Service Outsourcing +3 services

10% Content Moderation Services

5% Business Consulting

5% Robotics Process Automation

Apex America is a telephone answering service. Established in 2003, the firm is in Córdoba, Argentina and ARW, Argentina. Their services include Call Center Services and Back Office Outsourcing.
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Sao Paulo, Brazil

100 Avenida Alfredo Egídio de Souza Aranha
Sao Paulo, Brazil 04726-170
751 - 1000

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Amaro Group

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Sao Paulo, Brazil

Services provided

100% Call Center Services

Amaro Group is a call center service. They are based in Sao Paulo, Brazil and have midsize team. They provide Call Center Services.
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InHouse Contact Center and Information Technology

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Santo Amaro, Brazil

Services provided

100% Call Center Services

Headquartered in Santo Amaro, Brazil, InHouse Contact Center and Information Technology is a call center company. They provide Call Center Services and were founded in 1988.
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What are Featured Providers?

Virtual Sales Limited

4.8 20 reviews

Premier Verified

$1,000+

$50 - $99 / hr

10 - 49

Serves Sao Paulo, Brazil

Services provided

50% Call Center Services

50% Sales Outsourcing

Virtual Sales Limited is a distinguished provider of Contact Center Services, specializing in Outbound Call Center and Telemarketing Services. The company consistently garners positive feedback, with 100% of reviewers praising their project management and timely communication. Clients highlight their industry expertise and impressive ability to generate leads and appointments, with no reported areas for improvement, underscoring their exceptional service delivery and professionalism.

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3 of 6 Call Center Services reviews are 5 stars

2 new reviews for Call Center Services in past 6 months

Less than $10,000 avg. project cost

Call Center Services PROJECT HIGHLIGHT

Lead Generation Services for SaaS Company
4.5 — A SaaS company has hired Virtual Sales Limited for lead generation services. They source relevant data and execute an outbound call campaign to help the client generate in-target meetings with Read more
Read 6 Reviews

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Industry Experience

Virtual Sales Limited has demonstrated strong capabilities across various industries, including Business Services, Information Technology, Financial Services, Telecommunications, Supply Chain, and Healthcare. Clients commend their lead generation, flexibility, and efficiency, with positive sentiments expressing satisfaction with their communication and project management. Feedback highlights their expertise in understanding specific industry needs, making them a suitable partner for companies seeking targeted outreach and effective sales strategies.
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Software IT Services Construction Financial services Advertising & marketing Consulting Supply Chain, Logistics, and Transport Other industries Business services Information technology

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Average Project Cost Breakdown

$10,000 to $49,000 (8) Less than $10,000 (3) $50,000 to $199,999 (1)

What Clients Have Said
Clients consistently highlight Virtual Sales Limited's excellent value for money, with multiple reviews noting that their pricing fits within budget while delivering significant results. One client emphasized the 'good value for cost' and another mentioned they 'booked 12 meetings' with a '5% conversion rate,' showcasing effective lead generation. Overall, the sentiment is overwhelmingly positive, with clients expressing satisfaction with the cost-effectiveness and quality of service provided.
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England (9) United States (4) Bulgaria (1) Croatia (1) France (1)

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Valoris Center

4.9 15 reviews

Premier Verified

$1,000+

< $25 / hr

250 - 999

Serves Sao Paulo, Brazil

Services provided

50% Call Center Services

20% Customer Service Outsourcing

15% Back Office Outsourcing +1 service

15% CRM Consulting and SI

Valoris Center is a company specializing in Contact Center Services, offering a comprehensive suite of solutions, including Inbound and Outbound Call Center, Customer Support Services, and Telemarketing Services. Reviews indicate a strong emphasis on punctuality, flexibility, and customer care, with over 85% client satisfaction ratings and notable mentions for their proactive and adaptable approach.

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Reviews mention Results-oriented
Clients have consistently praised Valoris Center for their results-oriented approach, particularly noting that 90% of potential customers receive calls within 15 minutes of form submission. This rapid response time is highlighted as a key differentiator in their service. One client emphasized Valoris's flexibility and ability to adapt to industry specifics, contributing to effective collaboration and allowing their sales team to focus on closing deals, thus demonstrating a commitment to achieving client goals.

Call Center & Sales Services for FinTech Platform Co

5.0 Nov 14, 2024

The contact rate was up to 80%. The success rate was up to 80% on new customers and up to 60% on existing customers. We greatly appreciated their proactive approach and commitment to results. At the same time, the interactions with our customers were handled in a professional manner, and we successfully achieved the contact rate that was important for us.
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Industry Experience

Valoris Center has demonstrated expertise across several industries, including Financial Services, Retail, eCommerce, Automotive, and Business Services. Clients commend their proactive approach, customer-centric solutions, high responsiveness, and impressive performance metrics, such as customer satisfaction rates exceeding 90%. The strong alignment of values and flexibility to adapt to industry-specific needs highlight their strengths, making them a suitable partner for projects in these sectors.
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Other Industry Financial services eCommerce Business services Arts, entertainment & music Automotive Consumer Products Retail Other industries

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Average Project Cost Breakdown

$10,000 to $49,000 (1) $50,000 to $199,999 (1)

What Clients Have Said
Clients consistently highlight Valoris Center's strong value for money, noting that their pricing aligns well with budget expectations. For example, one client mentioned selecting Valoris due to its 'good value for cost' and 'pricing fit our budget.' Another stated that Valoris offered a 'price-performance ratio in line with our expectations.' Overall, the sentiment reflects satisfaction with the services provided relative to the costs incurred, reinforcing their reputation as a cost-effective partner.
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Romania (8) Austria (1) Croatia (1) Italy (1) Russia (1)

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A-SALES AB

4.8 68 reviews

Premier Verified

$1,000+

< $25 / hr

50 - 249

Serves Sao Paulo, Brazil

Services provided

10% Call Center Services

80% Sales Outsourcing

10% Email Marketing

A-SALES AB is a Contact Center Services company specializing in outbound sales and pipeline generation. The company receives positive feedback for their organized project management and ability to tailor outreach to specific industries and buyer personas. Approximately 87.5% of reviews highlight their effective communication and targeted approach. Clients appreciate their value for cost and effectiveness in booking 10-22 qualified meetings per month.

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Reviews mention Transparent
Overall sentiment regarding transparency in A-SALES AB's service is highly positive. Clients noted clear timelines and expectations, with one stating, "everything was handled smoothly and efficiently, making our cooperation quite pleasing." Another review highlighted their "clear and transparent communication," which contributed to a successful partnership. Regular updates and structured project management were frequently mentioned, reinforcing the company's commitment to transparency throughout the engagement.

Email Marketing Services for Consulting Company

5.0 Mar 2, 2024

Our experience with A-SALES project management was very satisfying. They were great in delivering everything on time and keeping everything clear and transparent. From communication to strategy, everything was handled smoothly and efficiently, making our cooperation with them quite pleasing. Also, their clear and transparent communication made working with them very smooth and successful.
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Lead Generation Services for Software Company

5.0 Nov 22, 2025

Their project management was structured and reliable. They set clear timelines and expectations early on, then kept everything moving with regular check-ins and transparent updates on activity and results.
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Industry Experience

A-SALES AB has demonstrated expertise across various industries, including Information Technology, Business Services, Advertising & Marketing, and Healthcare. Feedback highlights their strengths in lead generation, appointment setting, and market penetration strategies. Clients across sectors report significant improvements in qualified meetings and pipeline growth. Overall, sentiment is positive, particularly within IT and Business Services, where their tailored approaches and responsive project management have been notably effective.
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Construction Consumer Products Government Manufacturing Education Financial services Healthcare Software Supply Chain, Logistics, and Transport Human Resources Advertising & marketing IT Services Consulting Business services Information technology

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Average Project Cost Breakdown

Less than $10,000 (20) $10,000 to $49,000 (14)

What Clients Have Said
Clients consistently perceive A-SALES AB as offering excellent value for money, with many noting their competitive pricing and effective results. One client highlighted that they chose A-SALES due to their 'good value for cost' and 'high ratings'. Another mentioned they received '21 meetings with furniture manufacturers' after investing less than $10,000. Overall, the sentiment is positive, with clients appreciating the return on investment and quality of leads generated.
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United States (15) Sweden (10) Norway (7) India (4) England (3) Finland (2) Canada (1) Germany (1) France (1) Japan (1) Netherlands (1) Australia (1) Philippines (1) Poland (1) Singapore (1) Belgium (1) United Arab Emirates (1) Armenia (1) Austria (1)

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AHEAD Infraestrutura para Contact Centers

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

São Paulo, Brazil

Services provided

100% Call Center Services

Established in 2007, AHEAD Infraestrutura para Contact Centers is a midsize answering service company. Their services include Call Center Services.
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Daleth AC Ambiente Colaborativo

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Sao Paulo, Brazil

Services provided

100% Call Center Services

Founded in 2008, Daleth AC Ambiente Colaborativo, a midsize answering service, is located in Sao Paulo, Brazil. Their team provides Call Center Services.
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What are Featured Providers?
Appointment Setter Online

5.0 54 reviews

Verified

$1,000+

Undisclosed

1,000 - 9,999

Serves Sao Paulo, Brazil

Services provided

20% Call Center Services

55% Sales Outsourcing

25% Back Office Outsourcing

Appointment Setter Online is a professional Call Center Services company specializing in outbound lead generation, appointment scheduling, and telephonic support. The reviews reflect a 100% positive feedback rate, highlighting their professionalism, consistent project management, and ability to deliver qualified appointments. Approximately 80% of reviewers praised their persistence and adaptability in aligning with client needs.

See all 54 projects
Reviews mention Professional
Clients consistently praised Appointment Setter Online for their professionalism and effective communication. Feedback highlighted their ability to deliver timely updates and manage projects smoothly, with one client noting the team's 'excellent communication' and 'organization.' Another client emphasized their 'professionalism and consistency' in delivering results. Overall, the sentiment surrounding their professionalism is overwhelmingly positive, with clients appreciating their dedication to understanding business needs and maintaining a high standard of service.

Social Media Mktg & Sales Outsourcing for Marketing Agency

5.0 Jul 8, 2025

Appointment Setter Online was the best in their field. The team's phone call skills and reporting time were great, and they were quite professional. The team knew how to grab the customers' attention and convert them into a good sale.
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Appointment Setting for Dental Services Company

5.0 Aug 14, 2025

They’re punctual and always respond to me on time, even if I need them out of their working hours. They complete their KPIs on time and even overachieve their quotas. We use Slack for communication. Their punctuality and professionalism are impressive.
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Call Center & Sales Outsourcing Services for Law Firm

5.0 Sep 3, 2025

Appointment Setter Online’s team is very professional. They automatically send reports and are responsive whenever I need them.
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Call Center & Sales Outsourcing for Appliance Repair Company

5.0 Nov 24, 2025

The most impressive thing about this company was their professionalism and consistency. They understood our business quickly, delivered real results, and treated every call like it mattered. Their ability to bring in qualified appointments without wasting time made them stand out.
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Call Center Services for Nonprofit Organization

5.0 Nov 29, 2025

Project management was excellent. Appointment Setter Online delivered the weekly reports and meeting schedules on time, consistently. Communication was prompt — any changes or updates were shared with us quickly, and follow-ups were managed efficiently. All scheduled calls and meetings were arranged as committed.
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Industry Experience

Appointment Setter Online has demonstrated expertise across various industries, including Electric, Education, Automotive, Legal, and Construction. Clients highlighted their strengths in lead qualification, appointment setting, and tailored communication, resulting in improved conversions and efficiency. Overall sentiment is positive, with particular praise for their adaptability and understanding of industry-specific needs. Their impact is notably strong in sectors like Education and Automotive, making them a suitable choice for clients seeking effective appointment setting solutions.
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Select Industry to see insights

Construction Agriculture Electric Financial services Consumer products & services Software Dental Roofing Business services Research Publishing Non-profit Medical Advertising & marketing Nonprofit Home Services Legal Automotive Education

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View projects from:

New York City, New York (2) Dover, Delaware (1) Orlando, Florida (1) Austin, Texas (1) Houston, Texas (1) Chicago, Illinois (1) Seattle, Washington (1) Pittsburgh, Pennsylvania (1) Wellington, Colorado (1)

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$1,000 1 Full Time Appointment Setter $1,800 2 Full Time Appointment Setters $4,500 5 Full Time Appointment Setters

Award Winning Appointment Setting Team
Helps businesses consistently fill their sales calendar with qualified prospects. We specialize in scheduling appointments through professional outreach via calls, texts, and emails, customized to your industry and target market. Our trained appointment setters ensure every lead is warmed up and ready for your sales team.
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JobHome

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

100% Call Center Services

JobHome is a telephone answering service. The Sao Paulo, Brazil-based agency was founded in 2017. Their services include Call Center Services.
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BlueLab

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

100% Call Center Services

BlueLab is a call center. Located in Sao Paulo, Brazil, the team offers Call Center Services.
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ALKES

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Sao Paulo, Brazil

Services provided

100% Call Center Services

ALKES is an answering service. Headquartered in Sao Paulo, Brazil, the company focuses on Call Center Services.
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ARC TELECOM

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

100% Call Center Services

Located in Sao Paulo, Brazil, ARC TELECOM is a small call center service. Their services include Call Center Services.
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i9 Contact Center

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Sao Paulo, Brazil

Services provided

100% Call Center Services

Founded in 2009, i9 Contact Center is a midsize answering service company based in Sao Paulo, Brazil. Their team focuses on Call Center Services.
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Top Use - Headsets

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

Cotia , Brazil

Services provided

100% Call Center Services

Top Use - Headsets is an answering service headquartered in Cotia , Brazil. Founded in 1996, the team focuses on Call Center Services.
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Diallink

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

SAO PAULO, Brazil

Services provided

100% Call Center Services

Diallink is a call center company. In SAO PAULO, Brazil, the agency was founded in 2006. Their services include Call Center Services.
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Neobpo

Not yet reviewed

Undisclosed

Undisclosed

10,000+

São Paulo, Brazil

Services provided

40% Call Center Services

30% Back Office Outsourcing

10% Business Consulting +2 services

10% Digital Strategy

10% IT Managed Services

Neobpo is a call center service. Launched in 2017, the team specializes in Call Center Services and Back Office Outsourcing. The company is based in São Paulo, Brazil.
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Vermont XCenter

Not yet reviewed

Undisclosed

Undisclosed

250 - 999

Sao Paulo, Brazil

Services provided

40% Call Center Services

40% Sales Outsourcing

10% Business Consulting +1 service

10% IT Strategy Consulting

Vermont XCenter, a midsize answering service company, is based in Sao Paulo, Brazil. Their services include Call Center Services and Sales Outsourcing.
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AG Call Center

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

40% Call Center Services

30% Customer Service Outsourcing

30% Sales Outsourcing

AG Call Center is a small phone answering service launched in 2002. Their team specializes in Call Center Services and Customer Service Outsourcing.
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Altio BPO and Technology

Not yet reviewed

$5,000+

< $25 / hr

250 - 999

sao paulo, Brazil

Services provided

40% Call Center Services

50% Custom Software Development

10% Web Design

Founded in 2011, Altio BPO and Technology is a software development firm and call center service. The firm focuses on Custom Software Development and Call Center Services, and is midsize.
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BYG Advantage

Not yet reviewed

$100,000+

$100 - $149 / hr

10 - 49

Sao Paulo, Brazil

Services provided

70% Sales Outsourcing

30% Marketing Strategy

BYG Advantage is a Sales Outsourcing company located in New York, New York and Singapore, Singapore. The team offers Sales Outsourcing and Marketing Strategy.
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Sao Paulo, Brazil

Av. Eng. L. C. Berrini 105 - Suite 1014 CEP
Sao Paulo, Brazil 04571-010
1

+1 (845) 770-7526

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Leadmedia

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

20% CRM Consulting and SI

20% Ecommerce Marketing

20% Email Marketing +2 services

20% Pay Per Click

20% Sales Outsourcing

Small Email Marketing company Leadmedia, is headquartered in Sao Paulo, Brazil. Their services include Email Marketing and Pay Per Click.
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Novatrade Brasil

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

10% Call Center Services

50% Logistics & Supply Chain Consulting

40% Business Consulting

Launched in 2012, Novatrade Brasil is a Logistics & Supply Chain Consulting company. The agency focuses on Logistics & Supply Chain Consulting and Business Consulting.
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Paulo Leads

Not yet reviewed

$5,000+

$100 - $149 / hr

2 - 9

Valinhos, Brazil

Services provided

30% BI & Big Data Consulting & SI

30% Sales Outsourcing

10% AI Agents +3 services

10% AI Consulting

10% AI Development

10% Generative AI

Paulo Leads is a big data analytics company. The team offers BI & big data consulting & SI and Sales Outsourcing and is based in Valinhos, Brazil.
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Talkover

Not yet reviewed

$10,000+

Undisclosed

2 - 9

São José dos Campos, Brazil

Services provided

35% Call Center Services

35% AI Agents

30% Transcription

Founded in 2025, Talkover is an AI Agents company. The team focuses on AI Agents and Call Center Services.
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Quality Contact Center

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Taboão da Serr, Brazil

Services provided

100% Call Center Services

Quality Contact Center, a small answering service, is based in Taboão da Serr, Brazil. Their services include Call Center Services.
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Kindico Digital Marketing Agency Ltd

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

50% Affiliate Marketing

50% Sales Outsourcing

Kindico Digital Marketing Agency Ltd is an Affiliate Marketing and Sales Outsourcing company founded in 2016. The team specializes in Affiliate Marketing and Sales Outsourcing.
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Maromatel - Vivo Empresas

Not yet reviewed

Undisclosed

Undisclosed

10 - 49

Sao Paulo, Brazil

Services provided

40% Call Center Services

50% Business Consulting

10% Customer Service Outsourcing

Business Consulting company Maromatel - Vivo Empresas is located in Sao Paulo, Brazil. They offer Business Consulting and Call Center Services and were established in 2002.
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Ayty Tech

Not yet reviewed

Undisclosed

Undisclosed

50 - 249

São Paulo, Brazil

Services provided

24% Call Center Services

20% CRM Consulting and SI

20% IT Strategy Consulting +3 services

16% Customer Service Outsourcing

10% E-Commerce Development

10% IT Managed Services

Founded in 2008, Ayty Tech is a midsize answering service company. Their services include Call Center Services and CRM consulting and SI.
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São Paulo, Brazil

Av. Brigadeiro Faria Lima, 1685, Conj.3C
São Paulo, Brazil 01452-001

+ 55.11.3522.9211

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Bizpro Processos de Negócios

Not yet reviewed

Undisclosed

Undisclosed

2 - 9

Sao Paulo, Brazil

Services provided

20% Call Center Services

50% Customer Service Outsourcing

30% Back Office Outsourcing

Bizpro Processos de Negócios is a Customer Service Outsourcing company. The firm is in Sao Paulo, Brazil. Their team provides Customer Service Outsourcing and Back Office Outsourcing.
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Top Call Center Services & Voice Services in Sao Paulo

List of the Top Sao Paulo Call Center Companies & Voice Services

Back Office Outsourcing for E-Commerce Co

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What Clients Have Said

Reviews mention Great team

Customer Service Outsourcing for Parking Software Company

BPO for Meditation App Business

Customer Service via Chat

Data Entry & Back Office Support for Marketing Services Company

Customer Support for Lifestyle Product Supplier

Call Center Services for Digital Government Partner

Helpware CX is very responsive

Reviews mention Easy to work with

Recruitment Services for Financial Services Company

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Customer Deployment for Consumer Products Company

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Reviews mention Great project management

Call Center Services for Healthcare Company

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Dev Staff Augmentation for Salesforce Consultancy

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SupportYourApp is very responsive

Call Center Services for E-Commerce Company

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six eleven global services is very responsive

Reviews mention Great team

Customer Service Outsourcing for CRM Consulting Company

Call Center Staffing for Government Helpline

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Combine Global Recruitment is very responsive

Lead Generation Services for SaaS Company

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Reviews mention Results-oriented

Call Center & Sales Services for FinTech Platform Co

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Reviews mention Transparent

Email Marketing Services for Consulting Company

Lead Generation Services for Software Company

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Reviews mention Professional

Social Media Mktg & Sales Outsourcing for Marketing Agency

Appointment Setting for Dental Services Company

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