Top Application Modernization Services
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$10,000+$25 - $49 / hr50 - 249
Services provided
See all 3 projectsOrtem Technologies LLC is a versatile technology service provider specializing in web app design, web app development, and SEO-related services. The company receives overwhelmingly positive feedback, with clients praising their project management, timely delivery, and continuous technical support. Approximately 90% of reviewers highlight their proactive communication and end-to-end project ownership, making them a reliable partner for ongoing technological needs.
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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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$10,000+$25 - $49 / hr10 - 49Grasbrunn, Germany
Services provided
See all 8 projectsEvinent GmbH is a versatile software development company offering services in web and mobile application development, e-commerce, and data warehousing. With a focus on quality and flexibility, 100% of reviewers praised their professionalism and responsiveness. Clients appreciated their ability to adapt quickly and deliver projects on time, making Evinent GmbH a reliable partner for complex development needs.
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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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$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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$5,000+$25 - $49 / hr50 - 249Kochi, India
Services provided
See all 11 projectsCubet is a company specializing in Enterprise Application Modernization services. They are praised for their efficient communication, with 100% of reviewers noting the speed of replies. The company successfully delivers projects on time, meeting budgetary constraints, as highlighted by their work on a customer payment system.
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Undisclosed$25 - $49 / hr2 - 9Buenos Aires, Argentina
Services provided
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 - $49 / hr10 - 49porvorim, India
Services provided
See all 2 projectsHelix Tech is a technology company specializing in app development and website design. The overall feedback from their clients is highly positive, with 100% of reviewers praising their technical expertise, project management skills, and responsiveness. Clients appreciate their proactive approach and timely delivery, although some wish for their expansion to more locations.
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Undisclosed$25 - $49 / hr10 - 49Montevideo, Uruguay
Services provided
See all 13 projectsKreitech is a versatile software development and technology solutions company, offering services ranging from UX/UI design and application development to VR/AR experiences and AI integration. Their reviews reflect a strong emphasis on communication, timely delivery, and adaptability, with 100% of clients noting positive outcomes such as enhanced efficiency, high-quality deliverables, and exceptional project management. Clients consistently praise Kreitech's ability to align with their strategic goals and requirements.
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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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$25,000+$50 - $99 / hr10 - 49Niš, Serbia
Services provided
See all 14 projectsBoopro Technology is a versatile software development company specializing in web and mobile app development, with a strong focus on delivering high-quality solutions tailored to client needs. The company consistently receives positive feedback, with over 90% of reviews highlighting their proactive approach, professionalism, and ability to meet deadlines. Clients frequently commend Boopro Technology for their excellent communication, flexibility, and alignment with company values, as noted by 80% of reviewers.
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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+$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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$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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$10,000+$50 - $99 / hr50 - 249Lelystad, Netherlands
Services provided
See all 2 projectsPROBEGIN is a software development company specializing in creating comprehensive solutions including frontend and backend development, e-commerce platforms, and multilingual systems. The overall feedback from reviews is highly positive, with clients praising their strong project management, innovative solutions, and responsiveness. Approximately 100% of reviewers highlighted PROBEGIN's hands-on approach and their ability to improve and create optimal solutions beyond the initial requirements.
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$75,000+$100 - $149 / hr50 - 249Sao Paolo, Brazil
Services provided
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+$50 - $99 / hr50 - 249Chernihiv, Ukraine
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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+$50 - $99 / hr10 - 49Blacktown, Australia
Services provided
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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$50,000+$150 - $199 / hr10 - 49Bellbrook, OH
Services provided
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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$5,000+< $25 / hr50 - 249Karachi, Pakistan
Services provided
See all 6 projectsHexalyze is a digital transformation consultancy specializing in Enterprise App Modernization and software modernization services. Reviews highlight their deep technical expertise and tailored approach, with 95% of feedback being positive. Clients appreciate their effective project management, clear communication, and commitment to quality, resulting in improved operational efficiency and successful digital transformations.
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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+$25 - $49 / hr10 - 49București, Romania
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See all 1 projectsDevsReady is a technology consultancy specializing in delivering secure and scalable digital banking platforms for corporate clients. The company received overwhelmingly positive feedback, with reviewers praising their strong project management, effective communication, and technical expertise. Approximately 90% of comments highlighted their practical, business-oriented approach and alignment with client values, with no significant areas for improvement noted.
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$25,000+$50 - $99 / hr10 - 49Wylie, TX
Services provided
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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$10,000+$25 - $49 / hr10 - 49Ashtarak, Armenia
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See all 3 projectsHydralab LLC is a development company specializing in custom website and gaming portal development, utilizing technologies like React.js. The overall feedback is highly positive, with clients praising their project management, timely delivery, and cultural alignment. About 100% of reviewers highlight their effective communication and dedication, though some note a need for uniform adherence to the latest development standards.
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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+$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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$10,000+$150 - $199 / hr2 - 9Mission Viejo, CA
Services provided
See all 3 projectsCalibec is a software development company specializing in modernizing and upgrading applications. The reviews are overwhelmingly positive, with 100% of clients noting timely delivery, responsiveness, and effective communication. Clients appreciate Calibec's innovative approach and project management skills, highlighting their ability to enhance user engagement and provide valuable suggestions. There are no reported areas for improvement.
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$25,000+$100 - $149 / hr250 - 999Chicago, IL
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See all 14 projectsBuild BetterApp | Chicago’s Top Mobile App Development Company excels in developing innovative, user-centric mobile and web applications that cater to diverse business needs. With 100% of reviewers highlighting their client-centric approach and innovative problem-solving, the company maintains high satisfaction ratings, evidencing a commitment to quality and timely delivery, often exceeding client expectations.
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UndisclosedUndisclosed10 - 49Kolkata, India
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See all 11 projectsTech Mantra, a web development company, is praised for its professionalism, timely delivery, and strong client relationships. With a focus on web and mobile solutions, 80% of clients highlight project management skills and effective communication. While 90% of reviews emphasize their expertise, some suggest improvements in areas like image optimization and status reporting.
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$10,000+$100 - $149 / hr2 - 9Dublin, Ireland
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See all 4 projectsAccelerator Team is a technology development company specializing in building platforms with comprehensive IT, VR, and AI solutions. Reviews highlight their excellent service and communication skills, with around 90% of clients expressing satisfaction with their collaborative approach and ability to understand client needs. Their cost-effective pricing and willingness to make adjustments are frequently noted strengths.
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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
35.8/40.020/20 Reviews10/10 Clients & Experience5.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
37.8/40.020/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$100,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
34.7/40.019/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Southborough, MA
Ability to deliver
32.1/40.016.6/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
34/40.018.8/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
31.6/40.015.8/20 Reviews10/10 Clients & Experience5.8/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
31.3/40.017.8/20 Reviews9.8/10 Clients & Experience3.7/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$10,000+$50 - $99 / hr250 - 999Sacramento, CA
Ability to deliver
30.8/40.016.4/20 Reviews10/10 Clients & Experience4.5/10 Market PresenceService focus
80% Enterprise App Modernization20% Other -
$5,000+< $25 / hr1,000 - 9,999
Ability to deliver
30.7/40.016.2/20 Reviews10/10 Clients & Experience4.5/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
30.5/40.015.2/20 Reviews8.8/10 Clients & Experience6.6/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$25,000+$25 - $49 / hr50 - 249Agoura Hills, CA
Ability to deliver
36.4/40.020/20 Reviews10/10 Clients & Experience6.4/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249București, Romania
Ability to deliver
33.3/40.019.6/20 Reviews10/10 Clients & Experience3.7/10 Market PresenceService focus
35% Enterprise App Modernization65% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
30.1/40.015.8/20 Reviews10/10 Clients & Experience4.3/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$10,000+$25 - $49 / hr250 - 999Beijing, China
Ability to deliver
35.4/40.019.6/20 Reviews9.1/10 Clients & Experience6.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
35.6/40.020/20 Reviews10/10 Clients & Experience5.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
33.5/40.017.2/20 Reviews9.8/10 Clients & Experience6.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$150 - $199 / hr10 - 49Littleton, CO
Ability to deliver
31.8/40.017.6/20 Reviews10/10 Clients & Experience4.2/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$1,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
34.8/40.017/20 Reviews9.7/10 Clients & Experience8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$25,000+$150 - $199 / hr50 - 249Claymont, DE
Ability to deliver
33.3/40.016.6/20 Reviews10/10 Clients & Experience6.7/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.020/20 Reviews10/10 Clients & Experience7.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
35.2/40.019/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
32.3/40.016.8/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34/40.017.8/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$5,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
31.6/40.016.6/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$100 - $149 / hr10 - 49Costa Mesa, CA
Ability to deliver
32.6/40.018.6/20 Reviews10/10 Clients & Experience4/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
31.5/40.017.2/20 Reviews10/10 Clients & Experience4.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr1,000 - 9,999São Paulo, Brazil
Ability to deliver
33.4/40.016.6/20 Reviews9.9/10 Clients & Experience7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
31.4/40.016.4/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
28.2/40.016.2/20 Reviews7.8/10 Clients & Experience4.2/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr250 - 999Kropyvnytskyi, Ukraine
Ability to deliver
34.2/40.018.8/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
10% Enterprise App Modernization90% 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.