Top Application Modernization Services
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$1,000+$100 - $149 / hr10 - 49Jaipur, India
Services provided
See all 1 projectsKP Think Private Limited is a digital solutions company specializing in website development and social media growth. According to reviews, 100% of clients noted impressive work ethics and communication. They successfully enhanced clients' online presence through improved SEO rankings and social media engagement, with no areas for improvement identified.
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$1,000+$25 - $49 / hr10 - 49San Diego, CA
Services provided
See all 4 projectsSitecraft Inc. is a versatile web development company specializing in both front- and backend solutions, often utilizing technologies like Vue.js, Laravel, and WordPress. The company receives overwhelmingly positive feedback, with clients praising their high-quality code, effective communication, and flexibility. Around 100% of reviews highlight their professionalism and skill, with particular commendations for their problem-solving capabilities and attentive project management.
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$10,000+< $25 / hr250 - 999
Services provided
See all 24 projectsInfoicon Technologies Pvt Ltd is a web development and SEO company, providing website design, development, and optimization services. Feedback is mixed, with approximately 70% of reviews highlighting their good value and responsiveness, while 30% express concerns about communication and project completion. Positive reviews commend their quick delivery and professionalism, whereas negative feedback points to incomplete projects and poor customer relations.
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$10,000+$25 - $49 / hr250 - 999Blue Bell, PA
Services provided
See all 1 projectsAVASOFT is a technology services company specializing in application modernization and SaaS solutions. Review feedback highlights a 75% improvement in customer experience due to their user-friendly design and effective project management. Clients commend their exceptional communication and training efforts, with 100% of reviewers praising their deliverables and service.
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$1,000+Undisclosed10 - 49Hong Kong Island, Hong Kong
Services provided
See all 5 projectsKorah Limited is a chatbot technology company specializing in AI-driven chatbots tailored to enhance customer engagement and streamline operations. Reviewers consistently praise their responsiveness, collaborative nature, and the flexibility of their product. Notably, 100% of reviews mention their impressive project management and willingness to customize solutions, demonstrating a commitment to client satisfaction and effective problem-solving.
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$25,000+$25 - $49 / hr10 - 49Madrid, Spain
Services provided
See all 2 projectsSerfCompany LLC | UKRAINE OUTSOURCING | IT Development is a dedicated IT development firm specializing in web application and software platform development. Approximately 100% of clients commend their cost-effectiveness and availability, though some suggest improvements in communication skills. Despite initial challenges, clients appreciate the team's competence and dedication to quality.
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$5,000+< $25 / hr10 - 49Surat, India
Services provided
See all 1 projectsJSbot is a development company specializing in JavaScript, HTML, and React Native, with additional expertise in Node, Angular, and React. Client reviews highlight their strong project management, responsiveness, and high-quality code. Approximately 90% of feedback is positive, underscoring their effective communication and technological understanding, though clients are advised to consider time and language differences.
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$1,000+$100 - $149 / hr10 - 49Calgary, Canada
Services provided
See all 10 projectsConvverge, Inc. is an IT consulting and systems integration company specializing in Microsoft technologies, including SharePoint, Microsoft 365, and Power Platform. Reviews highlight their flexibility, proactive communication, and expertise, with approximately 90% of clients praising their adaptability and responsiveness. Clients appreciate their ability to tailor solutions to specific workflows and commend their detailed project management and customer-centric approach.
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UndisclosedUndisclosed10 - 49Yerevan, Armenia
Services provided
See all 1 projectsAOByte is a software development company known for providing strategic and effective development solutions. Clients highlight the firm's outstanding ability to clearly communicate project needs and timelines, with 100% positive feedback highlighting their excellent project management and collaboration skills. AOByte is praised for their clear communication, timely delivery, and effective collaboration with other teams.
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$25,000+Undisclosed10 - 49London, England
Services provided
See all 4 projectsTeksati [Husssl Ltd] is a mobile app development company known for aligning well with client values and culture. Their reviews highlight responsiveness and transparency, with 100% of reviewers praising their engagement and prototype design process. However, there is a suggestion for improved communication during development stages.
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$25,000+$25 - $49 / hr10 - 49Rugby, England
Services provided
See all 4 projectsCoreScripts Technologies LTD is a versatile software development company specializing in custom applications, project management systems, and web-based solutions. They consistently receive positive feedback, with approximately 85%–90% of deliveries on time and notable praise for their communication, attention to detail, and technical expertise. Clients highlight their ability to adapt and accommodate project requirements, although minor improvements in documentation and testing are suggested.
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$50,000+$50 - $99 / hr1,000 - 9,999Houston, TX
Services provided
Celebal Technologies Americas Inc is an Enterprise App Modernization company. Founded in 2015, the team provides Enterprise App Modernization and BI & big data consulting & SI.
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$5,000+$50 - $99 / hr10 - 49Miami, FL
Services provided
See all 6 projectsOnePix is a versatile software development company offering services such as web development, e-commerce solutions, and mobile app development. The company is consistently praised for its effective communication, timely delivery, and innovative problem-solving. Notably, 100% of reviewers highlight their strong cultural fit and impressive project management skills, with a significant emphasis on their technical depth and proactive approach to project challenges.
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$50,000+$200 - $300 / hr10 - 49
Services provided
See all 6 projectsExtendApps is a software and systems modernization company specializing in enterprise app modernization. With a 100% satisfaction rate, clients commend their subject matter expertise and timely delivery, particularly in digital systems transformation and application modernization. Their proficiency in technical guidance and integration design is particularly notable, as evidenced by their successful project outcomes.
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$50,000+$100 - $149 / hr2 - 9
Services provided
See all 1 projectsApptitude is a versatile development company specializing in website and application design and development. The reviews consistently highlight their top-notch service, resulting in 99.99% website uptime and exceptional app customization. The company is praised for its budget-conscious approach and innovative solutions, with 100% positive feedback from clients, emphasizing their reliable project management and forward-thinking technology strategies.
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$25,000+$50 - $99 / hr2 - 9Fairfield, CA
Services provided
See all 3 projectsIdeas Factory US is a software development company specializing in project management, system integration, and GeneXus platform expertise. Reviews indicate a strong emphasis on responsiveness and problem-solving, with an impressive 100% of feedback noting their effective project management and communication skills. However, there is some room for improvement regarding the timeliness of secondary issues.
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$10,000+$100 - $149 / hr50 - 249Annapolis Junction, MD
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See all 1 projectsInterclypse is a consulting and development company specializing in modernizing technology standards, training teams, and advancing security measures. Feedback indicates a positive experience overall, with 80% of their work performing well and praises for their vast knowledge base and communication skills, though some concerns about project estimation and testing processes were noted.
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$5,000+$100 - $149 / hr2 - 9Gothenburg, Sweden
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See all 3 projectseComero AB is a professional consulting firm specializing in e-commerce solutions, notably using Magento for web development and SEO services. Clients consistently praise their dedication to client success, with 100% of reviewers highlighting their commitment and expertise. While some find Magento complex, the overall feedback is overwhelmingly positive, citing excellent project management and open communication.
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UndisclosedUndisclosed10 - 49Sulzbach an der Murr, Germany
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See all 1 projectsFakir Technology Consultants GmbH is a technology consultancy specializing in web application development and text-mining using advanced algorithms like NLP and Haystack. Reviews highlight their effective project management, with 100% noting the timely delivery and pragmatic approach of their CEO. However, 100% also mention a language barrier as an area for improvement.
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$5,000+$25 - $49 / hr10 - 49
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See all 5 projectsGEOGO Techsolutions is a versatile technology company specializing in platform development with expertise in API integration, AI, machine learning, and frontend technologies. They have received overwhelmingly positive feedback for their project management, adaptability, and proactiveness, with approximately 90% of reviewers highlighting their impressive technical solutions and timely delivery. However, some reviews suggest improvements in project scoping and documentation.
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$1,000+$25 - $49 / hr50 - 249Indore, India
Services provided
See all 1 projectsAPPSTEAN INFOTECH PRIVATE LIMITED is an ERP software service provider with over 17 years of experience, specializing in customized business solutions for various industries. Their services receive positive feedback for seamless implementation, proactive support, and strong management, as highlighted by 100% of reviewers. However, it is suggested they adopt cloud-based technology for enhanced reach and product strength.
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$10,000+$150 - $199 / hr10 - 49Lancaster, PA
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See all 1 projectsIndustrial Resolution is a software development company specializing in web interfaces, data modeling, and prototyping applications. Reviews indicate a high level of satisfaction, with clients praising their communication, project management, and expertise in modern programming languages, while noting minor challenges with third-party API integrations. 100% of reviewers highlight their problem-solving skills and ability to enhance existing processes.
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$75,000+Undisclosed50 - 249Chişinău, Moldova
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See all 2 projectsISD is a software development company that specializes in providing software solutions and PLC engineering for mechanized warehouses and distribution centers. Clients commend ISD for their thorough knowledge of IT technologies, focus on efficiency, and teamwork. However, improvements in communication and capacity planning were noted. Approximately 90% of the feedback highlights their reliability and effective project management.
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$50,000+$50 - $99 / hr10 - 49Cluj-Napoca, Romania
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See all 1 projectsDood Software is a software development company known for managing comprehensive projects from development and testing to business support. Reviews highlight their professional and organized team, with 100% of feedback noting their innovative approaches and adherence to deadlines. Although recognized as costly, their expertise and value have been consistently praised.
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$1,000+$25 - $49 / hr10 - 49Vilnius, Lithuania
Services provided
See all 1 projectsKoditus is a development company that provides outsourced development services, particularly excelling in agile development projects. Reviews highlight their flexibility and customer-oriented approach, with 100% positive feedback on delivering key initiatives on time and maintaining a strong focus on employee well-being and culture.
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$5,000+$25 - $49 / hr2 - 9Charlotte, NC
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See all 1 projectsAR Software, LLC is a software development company specializing in rapid deployment of order management solutions using No Code/Low Code platforms, such as Power Platform. Their clients appreciate their efficiency, with 100% of reviewers noting a significant improvement in operational timelines, though some suggest an increase in documentation. The company's rapid delivery and affordability are emphasized in 100% of reviews.
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$5,000+$25 - $49 / hr10 - 49
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See all 1 projectsoutboxup is a versatile digital design and development company, excelling in product design and web development, including innovative solutions like service tracking bots. With 100% positive feedback, clients commend their professionalism, flexibility, and effective project management, which has contributed significantly to business growth, though there is room for improvement in proactive communication and tool utilization.
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$10,000+$25 - $49 / hr2 - 9
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See all 1 projectsBits Nexus is a software development company that specializes in developing and deploying software products with robust infrastructure and architecture. The overall feedback is positive, highlighting their proactive improvements and effective project management, with all reviewers noting their ability to deliver on time and a significant focus on maintainability and usability improvements.
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$1,000+< $25 / hr50 - 249Chennai, India
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See all 3 projectsYaali Bizappln Solutions is a proficient software development company, specializing in creating customized applications and systems to streamline business processes. With 100% positive feedback, clients consistently highlight their ability to meet deadlines, responsiveness, and adeptness in understanding business requirements. Their expertise in Zoho integrations and project management is particularly praised, indicating strong client satisfaction and improved operational efficiency.
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$5,000+$25 - $49 / hr10 - 49Atlanta, GA
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See all 1 projectsMVP Now Studio is a CRM implementation company that assists businesses in configuring and integrating CRM systems like Zoho. The feedback from their clients is overwhelmingly positive, highlighting their detailed understanding of client needs and smooth workflow. Notably, 100% of reviewers expressed satisfaction with the solutions provided by MVP Now Studio.
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List of the Top 15 Legacy Modernization Services
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$25,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
35/40.019.6/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
35.3/40.018.8/20 Reviews10/10 Clients & Experience6.5/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$5,000+< $25 / hr1,000 - 9,999
Ability to deliver
31.9/40.016.6/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
31.6/40.017.4/20 Reviews9.8/10 Clients & Experience4.4/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
31.3/40.015.8/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$10,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
38.1/40.020/20 Reviews10/10 Clients & Experience8.1/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
36.6/40.020/20 Reviews10/10 Clients & Experience6.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
30.2/40.015.8/20 Reviews10/10 Clients & Experience4.4/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$25,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
33.9/40.018.2/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
29.8/40.015.2/20 Reviews8.8/10 Clients & Experience5.9/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
35.7/40.020/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
31.1/40.016/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
33/40.017.2/20 Reviews10/10 Clients & Experience5.8/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
37/40.019.8/20 Reviews10/10 Clients & Experience7.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$25 - $49 / hr250 - 999Toronto, Canada
Ability to deliver
32.9/40.016.6/20 Reviews10/10 Clients & Experience6.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
32.7/40.016.8/20 Reviews10/10 Clients & Experience5.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
34.3/40.019/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
33.7/40.016.6/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr250 - 999Unterschleißheim, Germany
Ability to deliver
32.2/40.017.2/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
35.2/40.019/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$50 - $99 / hr10 - 49Farmington, MI
Ability to deliver
31.5/40.016.6/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34.1/40.018.4/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$150 - $199 / hr50 - 249
Ability to deliver
32/40.016.6/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
31.8/40.016.4/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$1,000+< $25 / hr50 - 249Jaipur, India
Ability to deliver
32.6/40.017.2/20 Reviews9.4/10 Clients & Experience6/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
31.5/40.016.6/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$25 - $49 / hr50 - 249Portland, OR
Ability to deliver
31.5/40.016.8/20 Reviews10/10 Clients & Experience4.7/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$250,000+$150 - $199 / hr10 - 49Littleton, CO
Ability to deliver
33.3/40.017.6/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
31.5/40.016.2/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
31.4/40.016.4/20 Reviews9.8/10 Clients & Experience5.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other
Top App Modernization Agencies
App modernization companies upgrade, refactor, or re-platform legacy software so it performs like a modern, cloud-ready application. They begin by auditing the existing codebase, infrastructure, and business requirements, then create a roadmap that might include re-architecting monolithic apps into microservices, containerizing workloads, or migrating databases to scalable cloud environments. Their end goal is to improve performance, security, and maintainability while minimizing downtime.
Most firms deliver a mix of strategic and technical services, such as:
- Legacy code assessment and technical debt analysis
- Re-platforming (e.g., on-prem to AWS, Azure, or GCP)
- Code refactoring and re-architecting into microservices
- API enablement and containerization (Docker, Kubernetes)
- UI/UX refresh and mobile optimization
- Data migration, cleansing, and database modernization
- Ongoing maintenance, DevOps, and cloud cost optimization
Pricing varies widely depending on project scope, complexity, and the tech stack involved. Clutch data shows most engagements range from $50,000 to $500,000 overall, with hourly rates between $75 and $200. Lighter projects like a UI facelift or limited refactoring tend to fall near the lower end, while full re-architectures involving cloud migration, data overhaul, and strict compliance can exceed $1 million. Always request a detailed proposal that outlines costs for discovery, development, testing, and support.
When choosing the best right app modernization for your business, consider these:
- Review expertise: Look for case studies that mirror your tech stack (Java, .NET, PHP) and industry compliance needs.
- Check client feedback: Verified Clutch reviews reveal how the team communicates, hits deadlines, and handles setbacks.
- Evaluate methodology: A strong partner will propose a phased approach that includes assessment, pilot, and rollout stages, each with clear success metrics.
- Validate certifications: Cloud partnerships (AWS, Microsoft, Google) signal deep platform knowledge.
- Assess cultural fit: Long projects require easy communication, mutual trust, and shared time zones or overlap.
These are some of the red flags that you should watch for when hiring an app modernization company:
- Guaranteed timelines before an audit: Accurate estimates require a code and infrastructure review.
- Lack of documentation: If they won’t commit to architecture diagrams, test plans, or knowledge transfer, future maintenance may suffer.
- One-size-fits-all solutions: Forcing every project onto a single cloud or framework can indicate limited expertise.
- Poor security practices: Outdated OWASP knowledge or no DevSecOps pipeline is a deal-breaker for critical systems.
- Minimal client references: A reputable firm should readily provide recent, relevant references.
Here are some questions you can ask app modernization companies before hiring them:
- Which modernization strategies (rehost, refactor, re-architect) do you recommend for our stack, and why?
- Can you share success metrics from similar projects—e.g., performance gains or cost reductions?
- What is your approach to minimizing downtime during migration?
- How will you ensure code quality and security (tooling, peer reviews, automated testing)?
- What support and knowledge-transfer do you provide after launch?
- How do you handle scope changes and unforeseen legacy issues?
Partnering with specialists accelerates time-to-value. Experienced teams bring proven frameworks, automation toolchains, and cloud partnerships that help reduce risk and shorten migration windows. Businesses often benefit from faster performance, lower maintenance costs, improved security compliance, and easier feature releases, all without overburdening internal teams.
A freelancer may handle small refactoring tasks cost-effectively but often lacks the resources for large-scale audits, DevOps, and 24/7 support. Agencies provide multidisciplinary teams including architects, developers, QA specialists, DevOps engineers, and project managers who can deliver end-to-end transformations with enterprise-grade SLAs.