Top Application Modernization Services
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$25,000+$50 - $99 / hr50 - 249Chernihiv, Ukraine
Services provided
See all 17 projectsSoft Industry Alliance is a software development company specializing in AI-driven solutions, ERP optimizations, and mobile and web application development. Reviews highlight their technical expertise, dedication, and responsive communication, with approximately 90% of clients praising their professionalism and project management. While some documentation improvements were noted, the company is recognized for delivering high-quality, scalable solutions that meet clients' objectives efficiently.
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$10,000+Undisclosed10 - 49
Services provided
See all 13 projectsSitePen is a software modernization company specializing in Enterprise Application Modernization and IT Modernization solutions. Reviewers consistently praise SitePen for their professionalism, timely delivery, and effective communication, with 100% positive feedback highlighting their responsiveness and technical expertise. Clients appreciate the seamless collaboration and the value provided by SitePen's knowledgeable team.
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$5,000+$50 - $99 / hr10 - 49Rosehill, Australia
Services provided
See all 1 projectsHokma Consulting and Technology Solutions is a tech consulting firm specializing in IT infrastructure, system integration, network optimization, and cybersecurity enhancements. With 100% positive feedback, clients praise their professionalism, technical expertise, and timely delivery. Reviewers consistently highlight their proactive approach and ability to exceed expectations.
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$100,000+$150 - $199 / hr50 - 249New York, NY
Services provided
See all 4 projectsStride Consulting is a technology consulting firm specializing in Agile development, software engineering, and business consulting services. Reviews highlight their technical expertise, adaptability, and strong project management skills. With a focus on collaboration, 100% of reviewers praise their ability to integrate seamlessly into existing teams, and 75% mention their adeptness at delivering projects on time and within budget.
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$10,000+$50 - $99 / hr10 - 49Santa Monica, CA
Services provided
See all 2 projectsInvemo is a mobile app development company that specializes in creating native applications for iOS and Android platforms. Reviews indicate a high level of client satisfaction, with 100% of reviewers praising their project management and innovative approach. Their emphasis on agile methodologies and delivering beyond expectations are frequently highlighted, making them a trusted partner for technical projects.
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$25,000+$50 - $99 / hr50 - 249Hanoi, Vietnam
Services provided
See all 4 projectszen8labs is a digital solutions company specializing in UX/UI design, mobile app development, and digital marketing optimization. Reviews highlight their exemplary project management, timely delivery, and user-centered approach, with 100% positive feedback emphasizing their ability to translate user data into actionable improvements and exceed client expectations. Clients appreciate their budget-friendly services and strong communication skills.
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$25,000+$100 - $149 / hr50 - 249
Services provided
See all 20 projectsAppiskey is a comprehensive app development company that specializes in creating innovative mobile and web applications. Feedback from clients highlights their strong project management skills and commitment to client satisfaction. Approximately 85% of the reviews are positive, with clients praising their responsiveness, technical expertise, and ability to foster a collaborative environment. However, there are occasional concerns about communication consistency and meeting deadlines. Overall, Appiskey is recognized for delivering high-quality solutions and maintaining strong client relationships.
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$10,000+$25 - $49 / hr50 - 249Birmingham, England
Services provided
See all 7 projectsBlueberry Consultants is a software development company specializing in bespoke workflow solutions, application development, and system integration. Across their reviews, 100% of clients commend their expertise in managing projects within budget and timelines. Clients value their adaptive project management and communication, with 67% highlighting their responsiveness and ability to navigate challenges effectively. Their professionalism and problem-solving capabilities are frequently praised.
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$25,000+Undisclosed10 - 49Columbia, MO
Services provided
See all 6 projectsQuarkWorks is a versatile software development company specializing in custom mobile and web applications, with notable expertise in iOS and Android platforms, as well as Shopify and custom software solutions. The reviews reflect overwhelmingly positive feedback, with approximately 100% of clients praising their professionalism, development velocity, and quality of work. Clients frequently commend their effective communication and integration into existing teams, highlighting QuarkWorks as a valuable partner in development projects.
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$25,000+$25 - $49 / hr50 - 249Sofia, Bulgaria
Services provided
See all 8 projectsPLAN A is an IT staff augmentation company with a focus on Enterprise Application Modernization. Reviews highlight their efficient project management and ability to deliver high-quality software solutions ahead of schedule, with 100% of feedback being positive. Clients appreciate their seamless integration and expert support, contributing significantly to project success.
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$5,000+$150 - $199 / hr10 - 49Salt Lake City, UT
Services provided
See all 12 projectsKsense Technology Group LLC is a technology firm specializing in Enterprise Application Modernization, offering tailored software solutions like custom web-based tools for improved data management. Their services receive unanimous praise, particularly for their responsiveness and innovative approach, with 100% of reviewers highlighting their ability to enhance user experience and reduce administrative burdens effectively.
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$5,000+< $25 / hr50 - 249Jaipur, India
Services provided
See all 6 projectsTechno Softwares is a versatile software development company specializing in CRM, ERP, and eCommerce solutions. Across various projects, about 80% of reviews highlight their ability to meet client expectations within budget and time constraints. Clients frequently commend their project management skills and dedication, with a notable 60% citing strong leadership and support from top management as unique strengths.
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Undisclosed$25 - $49 / hr2 - 9Buenos Aires, Argentina
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See all 1 projectsInAllMedia is a development company specializing in team augmentation, UI/UX, and various technologies, including .NET and Java, with a strong focus on mobile development. Reviews highlight their exceptional ability to rapidly assemble high-quality teams and their proficiency across technological domains. Feedback is overwhelmingly positive, with clients praising their professionalism, management, and communication skills.
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$5,000+< $25 / hr50 - 249Kochi, India
Services provided
See all 2 projectsVofox Solutions is a software development company specializing in website, CRM, ERP, and custom software solutions. Reviews indicate a high level of client satisfaction, with clients praising their reliability and effective project management, resulting in increased efficiency and automation. Approximately 90% of reviewers noted the team's professionalism and strong communication skills. Areas for improvement include initial documentation detail.
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$50,000+$150 - $199 / hr10 - 49Bellbrook, OH
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See all 2 projectsSparkbox is a web development company known for their expertise in creating responsive websites and developing content management systems. Their reviews highlight a high level of technical skill and effective project management, with an emphasis on collaborative and educational approaches. Sparkbox has received overwhelmingly positive feedback, with clients appreciating their ability to enhance user engagement and streamline communication, while maintaining a professional and empathetic work environment.
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$75,000+$100 - $149 / hr50 - 249Sao Paolo, Brazil
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See all 2 projectsMobile2you Technology is a mobile and backend development company praised for its knowledgeable and innovative approach, delivering projects with minimal rework and adhering to deadlines. They have a strong record of client satisfaction, with reviewers highlighting their skilled app development and effective project management. Approximately 100% of reviewers express positive feedback, with no significant areas for improvement noted.
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$25,000+Undisclosed10 - 49London, England
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See all 1 projectsAleios is a specialized company offering serverless solutions, notably using AWS, with a focus on re-platforming and content management system integrations. Reviews highlight their impressive and energetic approach, with 100% positive feedback emphasizing their confidence, timeliness, and effective communication. Their ability to work seamlessly with stakeholders has earned them significant trust and satisfaction.
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$10,000+$25 - $49 / hr10 - 49
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See all 2 projectsMINT IT is a mobile app development company known for its expertise in delivering high-quality applications using technologies like Flutter, Node.js, and MongoDB. Clients consistently praise their effective communication, adherence to deadlines, and the smooth workflow they provide, with 100% of reviews highlighting their impressive team quality and process management.
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$10,000+$25 - $49 / hr50 - 249
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See all 20 projectsEmpeek is a software development company specializing in creating mobile and web ecosystems, software augmentation, and IoT-based healthcare solutions. The reviews reflect a high level of satisfaction, with 100% positive feedback highlighting their exceptional communication, project management, and quality of work. Notably, clients appreciate Empeek's responsiveness, proactive approach, and ability to meet deadlines, making them an efficient and valuable partner.
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$25,000+$150 - $199 / hr10 - 49
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See all 3 projectsCorgibytes, LLC is a software consulting company specializing in technical audits, legacy code modernization, and custom software enhancements. Reviews highlight their exceptional communication, professionalism, and ability to deliver detailed and high-quality work, with 100% of clients appreciating their technical expertise and flexibility in project management. Clients consistently report positive outcomes and no areas for improvement.
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$5,000+$50 - $99 / hr10 - 49
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See all 12 projectsGolpik is a comprehensive web development and software services company offering a range of solutions, including custom software development, mobile app creation, data visualization, and website design. Across their reviews, 90% of clients highlight their responsiveness, professionalism, and value for money. Despite some project delays, clients consistently praise Golpik's communication, dedication, and ability to meet project goals, with over 80% reporting satisfaction and project success.
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$25,000+$25 - $49 / hr250 - 999Newark, CA
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See all 4 projectsArgusoft is a software development company specializing in full-stack development using technologies like Java, Angular, and .NET Core. Reviews indicate positive feedback, with over 90% citing their strong project management and communication skills. Clients praise their flexibility, dedication, and ability to deliver complex solutions efficiently, with many highlighting their impressive handling of frontend tasks and commitment to project goals.
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$25,000+$50 - $99 / hr10 - 49Wylie, TX
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See all 2 projectsDeyo Group, Inc. is a versatile digital solutions provider, specializing in website and mobile application development. According to client reviews, the company excels in project management, displaying transparency and a client-focused approach. Positive feedback is prevalent, with 100% of reviewers highlighting effective communication and timely project delivery, emphasizing their ability to align with client needs and budgets.
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UndisclosedUndisclosed50 - 249Stockholm, Sweden
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See all 4 projectsDevelit is an Enterprise Application Modernization company specializing in building custom business systems and automating functions. Feedback from clients highlights their ability to simplify processes significantly, with over 50% of orders coming directly through client webshops. Reviewers praise Develit for their personal touch and alignment with company values, although there is a noted area for improvement regarding timely project delivery.
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$10,000+$50 - $99 / hr50 - 249Eschborn, Germany
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See all 4 projectsUHP Software GmbH is a software development firm specializing in app creation, test automation, and scalability solutions. The company has received overwhelmingly positive feedback, with clients appreciating their expertise, creativity, and ability to improve over time. Approximately 67% of reviewers highlight their impressive project management and communication skills, while 33% note their problem-solving and technical proficiency.
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$10,000+$50 - $99 / hr10 - 49Blacktown, Australia
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See all 13 projectsCherrypick Agency is a versatile software development company with expertise in areas such as development audits, HR-tech, AI-powered tools, workflow automation, and app and website development. With a client satisfaction rate exceeding 90%, they are noted for their professionalism, clear communication, and timely delivery. Approximately 70% of clients highlighted their exceptional project management, while 60% appreciated their cost-effective and customized solutions.
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$10,000+Undisclosed250 - 999Troy, MI
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See all 15 projectsMindfire Solutions is a software development company offering services such as custom software development, web and mobile application development, and IT system upgrades. Their reviews highlight a strong commitment to client satisfaction, professionalism, and technical proficiency. With over 90% positive feedback, clients commend their excellent project management, clear communication, and responsiveness. Many reviewers (approximately 80%) emphasize their dedication, trustworthiness, and ability to meet deadlines efficiently.
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$100,000+$25 - $49 / hr250 - 999Dallas, TX
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See all 2 projectsAnblicks is a versatile software development company specializing in web and mobile application development, cloud solutions, and system management. Across reviews, clients consistently praise Anblicks for their adaptability, skilled resource management, and professional communication, with 100% of reviewers highlighting their impressive project delivery and passion for client success. No significant areas for improvement were noted, underscoring their strong client satisfaction.
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$5,000+$25 - $49 / hr10 - 49Noida, India
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See all 2 projectsGrepix Infotech Pvt.Ltd. is a software development company specializing in custom mobile app solutions, particularly for iOS platforms. The company's reviews are overwhelmingly positive, highlighting their punctuality and strong project management skills. Noteworthy is their integrity and precision in estimates, with 100% of reviewers expressing satisfaction with their deliverables and commitment.
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$1,000+< $25 / hr50 - 249
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See all 8 projectsNextwebi IT Solutions Private Limited is a versatile IT services company specializing in web and mobile app development, CRM solutions, AI integration, and digital marketing. Across diverse projects, they have consistently delivered high-quality work, earning approximately 90% positive feedback. Clients highlight their strong project management, technical expertise, and commitment to achieving business goals. Reviewers frequently praise their responsiveness and professional approach, with about 60% noting their exceptional consultation and strategic insights.
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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
39.3/40.019.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
39.1/40.020/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$5,000+< $25 / hr1,000 - 9,999
Ability to deliver
35.9/40.016.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
35.4/40.015.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Southborough, MA
Ability to deliver
37.2/40.017.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr250 - 999Sacramento, CA
Ability to deliver
34.2/40.016.4/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
80% Enterprise App Modernization20% Other -
$25,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
34/40.015.2/20 Reviews8.8/10 Clients & Experience10/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$25,000+$25 - $49 / hr50 - 249Agoura Hills, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
33.8/40.018.2/20 Reviews9.8/10 Clients & Experience5.7/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$5,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
37.2/40.017.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249București, Romania
Ability to deliver
35.9/40.020/20 Reviews10/10 Clients & Experience5.9/10 Market PresenceService focus
35% Enterprise App Modernization65% Other -
$10,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
38.7/40.019/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
36.6/40.016.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
Undisclosed$150 - $199 / hr250 - 999London, England
Ability to deliver
36.4/40.017.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.3/40.018.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
32.2/40.015.8/20 Reviews10/10 Clients & Experience6.4/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
36/40.016.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr250 - 999Kropyvnytskyi, Ukraine
Ability to deliver
38.9/40.019.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
35.8/40.016.4/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$100 - $149 / hr10 - 49Costa Mesa, CA
Ability to deliver
36.8/40.018/20 Reviews10/10 Clients & Experience8.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
Undisclosed$25 - $49 / hr250 - 999Toronto, Canada
Ability to deliver
37.1/40.017.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
39.6/40.019.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr50 - 249Houston, TX
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35.6/40.017.6/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
Undisclosed$25 - $49 / hr250 - 999Beijing, China
Ability to deliver
36.8/40.020/20 Reviews7.2/10 Clients & Experience9.6/10 Market PresenceService focus
15% Enterprise App Modernization85% 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.