Top Performance Testing Services
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UndisclosedUndisclosed2 - 9Henderson, NV
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Arana Software is a software development company. The Henderson, Nevada-based agency specializes in Custom Software Development and Branding.
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UndisclosedUndisclosed2 - 9Woodside, NY
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Expert Automation Team is an Application Testing company. They are located in Woodside, New York and have small team. Their services include Application Testing and Custom Software Development.
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UndisclosedUndisclosed2 - 9Scottsdale, AZ
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Based in Scottsdale, Arizona, Omnis Software and Consulting is an Application Testing company. They focus on Application Testing and CRM consulting and SI and were established in 2000.
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UndisclosedUndisclosed2 - 9Phoenix, AZ
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Loadster is an Application Testing and API Development company. Their small team is located in Phoenix, Arizona. Their team offers Application Testing and API Development.
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UndisclosedUndisclosed2 - 9Phoenix, AZ
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Dytek Solutions is a small Phoenix, Arizona-based Application Testing company. Their services include Application Testing.
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UndisclosedUndisclosed2 - 9
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Launched in 2011, PSTuners is a small Application Testing company. Their team focuses on Application Testing.
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UndisclosedUndisclosed2 - 9Oakdale, TN
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TestGuild, an Application Testing company, is located in Oakdale, Tennessee. They offer Application Testing and IT strategy consulting and were established in 2010.
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UndisclosedUndisclosed2 - 9Waltham, MA
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NE-ONE, an Application Testing company, was launched in 2004. The agency provides Application Testing.
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UndisclosedUndisclosed2 - 9Paris, France
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CHBO Advisory is a small Tunis, Tunisia-based IT strategy consulting company. The team provides IT strategy consulting and Application Testing.
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UndisclosedUndisclosed2 - 9Paris, France
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TS-Consult is a Paris, France-based data analytics company. They focus on BI & big data consulting & SI and cloud consulting & SI.
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UndisclosedUndisclosed2 - 9
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All R's Consulting is a small Warminster, Pennsylvania-based Application Testing company. The team specializes in Application Testing and Business Consulting.
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UndisclosedUndisclosed2 - 9Waxhaw, NC
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ITekMed Solutions Inc is an IT strategy consulting company. They are in Waxhaw, North Carolina and have small team. Their services include IT strategy consulting and Application Testing.
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$1,000+Undisclosed2 - 9Pune, India
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Business Consulting company Varcos Consulting LLP was launched in 2019. The team specializes in Business Consulting and Corporate Training & Coaching.
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UndisclosedUndisclosed2 - 9Ellicott City, MD
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Established in 2005, BTC Technologies, LLC is a small Ellicott City, Maryland-based IT strategy consulting company. Their team offers IT strategy consulting and Web Development.
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UndisclosedUndisclosed2 - 9Miami, FL
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IT strategy consulting company AMAGI was launched in 2015. The team specializes in IT strategy consulting and cloud consulting & SI and is headquartered in Miami, Florida.
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UndisclosedUndisclosed2 - 9New York, NY
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KitSoftSol is an user experience agency. They are located in New York, New York and have small team. Their team specializes in UX/UI Design and Custom Software Development.
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UndisclosedUndisclosed2 - 9Harris Park, Australia
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Application Testing company PlexNet Pty Ltd was established in 2012. The firm provides Application Testing and Cybersecurity, and is small.
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UndisclosedUndisclosed2 - 9
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Full Stack I.T. Services Ltd. Is an IT staff augmentation company. They are headquartered in Toronto, Canada. Their team provides IT staff augmentation and Custom Software Development.
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Undisclosed< $25 / hr2 - 9
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QA Harvest, an Application Testing company, specializes in Application Testing. The firm is headquartered in Carleton Place, Canada.
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UndisclosedUndisclosed2 - 9Spring, TX
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Linton Business Solutions LLC is an IT managed services company established in 2023. The small team offers IT managed services and Application Testing.
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UndisclosedUndisclosed2 - 9Peachtree Corners, GA
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Intelligence Data Services is an IT strategy consulting company. They are headquartered in Peachtree Corners, Georgia and have small team. Their team provides IT strategy consulting and
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UndisclosedUndisclosed2 - 9Portland, OR
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NicheCloudware is a business intelligence company. Established in 2021, their team provides BI & big data consulting & SI and Cybersecurity.
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$5,000+$25 - $49 / hr2 - 9Stará Ľubovňa, Slovakia
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QA Elite is an Application Testing company. Founded in 2024, the team offers Application Testing. The company is headquartered in Stará Ľubovňa, Slovakia.
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UndisclosedUndisclosed2 - 9Clearwater, FL
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Founded in 2020, Black Badger Software Solutions is a CRM consulting and SI company. The team offers CRM consulting and SI and ERP consulting and SI.
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UndisclosedUndisclosed2 - 9
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Reverb Solutech is a Cybersecurity company founded in 2024. The team provides Cybersecurity and IT managed services and is based in Ahmedabad, India.
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$1,000+< $25 / hr2 - 9
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Hostcraft is a small Dharmapuri, India-based Product Design company. Their services include Product Design and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9
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Application Testing company Yagniyat Technologies is located in Kochi, India. The team focuses on Application Testing.
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$5,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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See all 1 projectsTesting Art provides comprehensive Testing Services, including App Testing and QA Testing, featuring expertise in functional, integration, and test automation. The reviews highlight their professionalism, timely project management, and the ability to enhance student proficiency through well-structured, engaging training programs. Clients appreciate their deep technical expertise and collaborative approach, with no significant areas for improvement noted.
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UndisclosedUndisclosed10 - 49Viladecans, Spain
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Redsauce Engineering Services S.L. Is an Application Testing company. The team provides Application Testing and Cybersecurity and is based in Viladecans, Spain.
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UndisclosedUndisclosed10 - 49Royal Oak, MI
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PanOptic Quality Systems is an Application Testing company. Established in 2021, the team focuses on Application Testing.
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UndisclosedUndisclosed10 - 49Warszawa, Poland
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Founded in 2014, ForProgress is a small Application Testing company. Their team specializes in Application Testing and Robotics Process Automation.
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UndisclosedUndisclosed10 - 49Dundalk, Ireland
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CelticQA Solutions, an Application Testing company, focuses on Application Testing and CRM consulting and SI. The agency is headquartered in Dundalk, Ireland and Kennesaw, Georgia.
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UndisclosedUndisclosed10 - 49Bengaluru, India
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Qsome Technologies is an Application Testing company. Their team is based in Melbourne, Australia and Bengaluru, India. The agency provides Application Testing and CRM consulting and SI.
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UndisclosedUndisclosed10 - 49
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SQ72, an Application Testing company, is based in Sunshine Coast, Australia and Johannesburg, South Africa. Established in 2018, the team specializes in Application Testing and UX/UI Design.
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UndisclosedUndisclosed10 - 49Milano, Italy
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Application Testing company Akamas was founded in 2019. The team offers Application Testing and BI & big data consulting & SI.
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UndisclosedUndisclosed10 - 49Manalapan Township, NJ
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Encode, Inc., an user experience design agency, is in Manalapan Township, New Jersey. Established in 1997, the team focuses on UX/UI Design and BI & big data consulting & SI.
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UndisclosedUndisclosed10 - 49Ternopil, Ukraine
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Future Processing Ukraine is an user experience agency established in 2017. The team offers UX/UI Design and BI & big data consulting & SI.
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UndisclosedUndisclosed10 - 49Paris, France
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WAPSI is a small big data company. Founded in 2014, the team offers BI & big data consulting & SI and cloud consulting & SI.
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UndisclosedUndisclosed10 - 49Bothell, WA
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CloudVenture Technologies is a small business intelligence company located in Bothell, Washington. Their services include BI & big data consulting & SI and cloud consulting & SI.
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UndisclosedUndisclosed10 - 49Lewes, DE
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Yularatech is an IT strategy consulting company. They are located in Lewes, Delaware and have small team of experts. Their services include IT strategy consulting and BI & big data consulting & SI.
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$5,000+$25 - $49 / hr10 - 49Belén de Escobar, Argentina
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Based in Belén de Escobar, Argentina, Connecture QA is a small IT staff augmentation and Application Testing company. The team offers IT staff augmentation and Application Testing.
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UndisclosedUndisclosed10 - 49Tallinn, Estonia
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AppAd media is a Mobile & App Marketing company founded in 2018. Their team specializes in Mobile & App Marketing and Pay Per Click.
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$1,000+< $25 / hr10 - 49Vijayawada, India
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Gadi Solutions, an Application Testing company, was founded in 2022. Based in Vijayawada, India, the team provides Application Testing.
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UndisclosedUndisclosed10 - 49Abbotsford, Australia
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Exa Product Development, a small Engineering company, is headquartered in Abbotsford, Australia. Their services include Engineering and Digital Engineering.
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UndisclosedUndisclosed10 - 49
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KRN Informatix, a small Application Testing company, is headquartered in Bengaluru, India. Their services include Application Testing and Corporate Training & Coaching.
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UndisclosedUndisclosed10 - 49Tallinn, Estonia
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Located in Tallinn, Estonia, TestPapas is an Application Testing company. The team provides Application Testing.
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UndisclosedUndisclosed10 - 49Cumming, GA
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Everite Solutions is a custom software development company. The Cumming, Georgia-based team offers Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49Eagle, ID
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Established in 2008, Bridge Technologies and Solutions is a small Eagle, Idaho-based Cybersecurity company. Their team focuses on Cybersecurity and IT staff augmentation.
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UndisclosedUndisclosed10 - 49Washington, DC
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QA Valley, Inc. Is an Application Testing company. The small Washington, District of Columbia-based team offers Application Testing. The firm was launched in 2008.
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$5,000+$25 - $49 / hr10 - 49
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Digital Archer, an Application Testing company, is in Čantavir, Serbia. They offer Application Testing and were launched in 2016.
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Performance Testing Agency FAQs
A performance testing company evaluates how a website, mobile app, or enterprise system behaves under specific workloads. Engineers simulate real-world traffic, stress, and spike conditions to measure response times, throughput, CPU/memory usage, and failure points. The goal is to identify bottlenecks—such as slow database queries, network latency, or inefficient code—so developers can optimize before deployment and prevent costly downtime.
Performance testing companies evaluate software solutions under various workloads to assess their speed, performance, and responsiveness. These service providers deliver a variety of offerings, including:
- Load, stress, and spike testing
- Scalability and endurance (soak) testing
- Capacity planning and baseline benchmarking
- Infrastructure and cloud cost optimization
- Test script creation with tools like JMeter, Gatling, or LoadRunner
- Continuous performance testing integrated into CI/CD pipelines
- Detailed root-cause analysis and remediation guidance
Some firms also pair performance testing with broader QA services, security testing, or DevOps consulting for end-to-end quality coverage.
Budgets range widely based on key factors such as scope, software complexity, and technical requirements. According to data gathered by our team at Clutch, the average hourly rate for performance testing agencies is around $50 – $99. Here’s a rundown of average project costs:
- Small web app or API baseline test: $5,000 – $15,000
- Comprehensive load & stress program for a mid-sized platform: $20,000 – $50,000
- Ongoing performance engineering retainer for large enterprises: $10,000 – $40,000 per month
Costs rise with complex infrastructures, high concurrency requirements, or 24/7 monitoring. Offshore teams can lower hourly rates, but factor in communication and time-zone alignment.
Start by matching expertise to your tech stack—look for case studies involving similar frameworks, cloud providers, or traffic volumes. Next, review the following:
- Tool proficiency (open-source vs. enterprise suites)
- Ability to integrate with your CI/CD or APM tools
- Transparent reporting and actionable recommendations
- Client testimonials that reference measurable KPIs (e.g., “reduced p95 latency by 40%”)
Finally, run a paid pilot or proof-of-concept to validate collaboration style and results before committing to a long-term engagement. Browse through Clutch’s directories and resources to equip yourself with the essential knowledge to select the right partner for your project.
- “Guaranteed” speed scores without reviewing your codebase
- Reliance on a single testing tool for every project
- Vague deliverables—no mention of test scripts, monitoring dashboards, or root-cause analysis
- Limited communication or reluctance to share raw test data
- No post-test support for remediation or re-testing
- Which load-generation tools and monitoring platforms do you use?
- Can you share a recent case study with performance metrics?
- How do you size concurrent users and traffic patterns for our industry?
- Will you provide scripted tests and documentation we can reuse?
- How do you collaborate with developers to address identified issues?
- What is your pricing model for follow-up tests after fixes are applied?
Freelancers can manage one-off tests for smaller apps at a lower cost, but agencies offer cross-functional teams, diverse toolsets, and infrastructure at scale. If you need continuous performance engineering, automated pipelines, or round-the-clock support, a full-service agency is typically the safer choice.
Experienced performance testing agencies track KPIs such as decreased page load times, improved concurrency limits, reduced cloud spend after tuning, and fewer post-launch incidents. Many clients see direct revenue lifts from higher conversion rates and lower churn once performance bottlenecks are resolved.