Top Application Modernization Services
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$5,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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See all 3 projectsRD DEV Solutions is a software development company specializing in frontend development, with expertise in AngularJS and Node.js. They have consistently received positive feedback, with clients praising their technical proficiency, communication skills, and ability to integrate with existing teams. Approximately 100% of reviewers commend their adaptability and collaborative approach, though some suggest improvements in backend support and development process management.
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$1,000+$50 - $99 / hr2 - 9Wrocław, Poland
Services provided
See all 1 projectsTheFreshApps is a software development company specializing in building internal software, cloud servers, and online applications. The feedback is overwhelmingly positive, with 100% of reviewers praising their rapid understanding and execution of project requirements, effective workflow, and impressive outcomes, such as improved management control and increased website visualizations.
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$1,000+$50 - $99 / hr10 - 49
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See all 1 projectsDataGenius Technologies LLC is a custom software development company specializing in UI design and development. The overall feedback is overwhelmingly positive, with clients praising their helpfulness, knowledge, and communication skills. The company has played a significant role in assisting clients to meet their business objectives and foster growth in their respective sectors.
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$10,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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See all 1 projectsBilSoft is a custom software development company praised for its agility and competitive pricing. Their ability to quickly provide skilled resources and adapt to client needs is a recurring theme, with 100% of reviewers noting their effective project management and agile methodologies. Clients report exceeding project goals, with no significant areas for improvement mentioned aside from initial time zone adjustments.
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$25,000+$25 - $49 / hr50 - 249
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See all 2 projectsProfITsoft is a software development company with a strong focus on Java development and quality assurance services. They have been praised for their expertise, reliability, and ability to deliver effective solutions, with 100% of reviewers highlighting their professionalism and timely project delivery. The company is noted for significantly reducing client-side errors and enhancing operational efficiency, with one client experiencing a 56% decrease in software bugs.
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$25,000+$50 - $99 / hr50 - 249Sofia, Bulgaria
Services provided
See all 5 projectsCleverPine is a comprehensive software development company specializing in full-cycle software solutions, including design, frontend and backend development, DevOps, and QA. Reviews indicate a 95% success rate in achieving sprint goals, highlighting their technical strength, agile implementation, and responsive communication. Clients consistently praise their commitment, expertise, and ability to deliver high-quality, scalable implementations, with 100% of reviews mentioning their impressive project management and dedication to client success.
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$50,000+$50 - $99 / hr250 - 999New York, NY
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See all 14 projectsGaper is a technology company specializing in providing remote software engineers and development services. Based on the reviews, approximately 86% of the feedback is positive, highlighting their efficient hiring process, professionalism, and high-quality engineers. Common themes include quick candidate selection, impressive project management, and timely delivery of services. However, a small portion of reviews (around 14%) mention areas for improvement in execution and decision-making.
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$1,000+< $25 / hr10 - 49Surat, India
Services provided
See all 2 projectsTechno Brigade InfoTech is a mobile development company noted for its professionalism and timely project delivery. With 100% positive feedback, clients commend their effective communication and seamless workflow, evidenced by successful project completion and the impressive punctuality in delivering results.
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$25,000+$25 - $49 / hr250 - 999
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See all 2 projectsSpecific-Group is a software development company specializing in mobile app and system integration services, particularly with Java and PHP. They have received overwhelmingly positive feedback, with clients praising their technical expertise and reliability. Approximately 80% of reviewers highlight their quick problem-solving skills and ability to meet deadlines. However, some mention language barriers as a minor area for improvement.
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$1,000+< $25 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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See all 4 projectsDigisoft Solution is a versatile development company specializing in custom software and web application development. Based on reviews, the company is praised for its technical expertise, particularly in C# coding and web solutions, meeting deadlines, and responsiveness, with 100% of reviewers highlighting their professionalism and alignment with business needs. No areas for improvement were noted.
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$1,000+$25 - $49 / hr2 - 9Skopje, North Macedonia
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See all 3 projectsSuccess IT Ltd is a versatile IT solutions provider, offering expertise in software development, including complex portals, integrations, and application development. Reviewers highlight their professional project management, timely delivery, and flexibility in handling complex projects. With a strong commitment to understanding client needs, they achieve a 100% satisfaction rate, with 67% of reviewers noting their ability to provide better solutions and adapt to project requirements.
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$5,000+$25 - $49 / hr50 - 249Jaipur, India
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See all 4 projectsAuriga IT is a technology solutions company specializing in web and mobile application development, often using technologies like PHP, MySQL, and AngularJS. Overall feedback is predominantly positive, with clients appreciating their high engineering quality, responsiveness, and ability to deliver on time. Approximately 75% of reviewers highlight their technical expertise and effective project management, while some suggest improvements in critical thinking and marketing capabilities.
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$25,000+$25 - $49 / hr10 - 49
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See all 4 projectsDextechnology is a mobile app development company with expertise in both native and cross-platform applications for iOS and Android. They have a reputation for professionalism, delivering complex projects on time and within budget, as evidenced by positive feedback across various reviews. Approximately 100% of reviewers highlight their technical proficiency and problem-solving abilities, while 75% commend their effective communication and project management.
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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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$1,000+$25 - $49 / hr10 - 49
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See all 3 projectsSwiftle.io is a no-code development company specializing in web and app development, including platforms built on Bubble and SendGrid integration. Client feedback highlights their prompt communication, professionalism, and swift project delivery, with a 100% positive satisfaction rate and commendations for quick responses and budget-friendly services. Suggestions for improvement include increasing real-time communication through more online calls.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsSWING Technologies is a web development company specializing in creating websites and portals. Reviews indicate overwhelmingly positive feedback, with 100% of reviewers praising their responsiveness and creative solutions. The company is commended for delivering functional and reliable outcomes, meeting design specifications efficiently within tight timelines.
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UndisclosedUndisclosed50 - 249Singapore
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See all 3 projectsEMURGO is a technology company specializing in blockchain integration and reliable API solutions. The overall feedback is highly positive, with 100% of reviewers expressing satisfaction with their projects. Clients are particularly impressed by EMURGO’s blockchain expertise and effective communication, highlighting their efficient workflows and project management tools.
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$10,000+$25 - $49 / hr10 - 49
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See all 2 projectsVector is a technology consulting firm specializing in digital transformation and software development, including mobile platforms and challenge-based digital platforms. Reviewers consistently commend Vector for its strong cultural fit, excellent communication, timely delivery, and skilled team integration, with 100% positive feedback highlighting their professionalism and value-driven approach.
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$5,000+$25 - $49 / hr10 - 49Indore, India
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See all 1 projectsRatufa Software Technologies Private Limited is a versatile software development company specializing in mobile and web solutions. Clients have praised their professionalism, with 90% of projects delivered on time and a quality rating of 4 out of 5. The company is noted for its helpfulness and flexibility in customer dealings.
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$5,000+$50 - $99 / hr50 - 249
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See all 1 projectsMobile Apps Ai is a mobile app development company known for delivering user-friendly and feature-rich applications. Reviews highlight a 100% positive feedback rate, emphasizing their ability to enhance user engagement, with measurable outcomes such as a 30% increase in engagement and a 20% boost in sales. Their project management and attention to detail are particularly praised by clients.
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$25,000+$200 - $300 / hr10 - 49Durham, NC
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See all 8 projectsSolar Inbound is a company specializing in Enterprise Application Modernization, notably excelling in transforming and modernizing operational processes via HubSpot implementations. Across reviews, 100% of clients highlight significant improvements in efficiency and scalability, with particular praise for their expertise and personalized support. The company is recognized for timely delivery and excellent value for cost.
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$1,000+$25 - $49 / hr50 - 249Buenos Aires, Argentina
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See all 2 projectsEspin Labs is a custom software development company known for its expertise in creating educational web portals and management systems, as evidenced by their work with the Ministry of Education in Argentina. The company receives 100% positive feedback, highlighting their timely responses and flexibility in addressing project needs, even during weekends or late hours. Clients consistently express satisfaction, with no significant areas for improvement noted.
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$1,000+< $25 / hr10 - 49Kochi, India
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See all 11 projectsBlue Horizon Infotech is a versatile technology and software development company offering services such as web development, UX/UI design, and custom software solutions. Their reviews demonstrate a high level of customer satisfaction, with approximately 95% positive feedback highlighting their project management skills, responsiveness, and ability to deliver quality work within budget and timelines. Clients commend their flexibility and problem-solving capabilities, making them a reliable partner for various technological projects.
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$25,000+$25 - $49 / hr2 - 9Vickramasingapuram, India
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See all 2 projectsZephony is a development company known for building MVPs, particularly for AI-powered solutions. The overall feedback is positive, with clients praising their commitment despite unforeseen challenges. However, 100% of reviewers suggest assessing complexities early to prevent delays. The company's culture fit and cost-effectiveness are consistently highlighted as strengths.
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$10,000+$50 - $99 / hr50 - 249München, Germany
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See all 5 projectsAterise is a software development and IT consulting company specializing in financial solutions and digital products. Across the reviews, clients praised Aterise for their on-time delivery and strong communication skills. The company is commended for their quality work, cost-effectiveness, and adaptability to project needs. Notably, 100% of reviewers were impressed with their professionalism and execution, with no areas marked for improvement.
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$5,000+$25 - $49 / hr10 - 49Chorzów, Poland
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See all 3 projectsEvertop is a software development company specializing in creating custom applications and platforms for diverse business needs. Their clients commend them for their excellent project management, flexibility, and timely delivery, with 100% of reviewers highlighting their exemplary service and communication. Notably, clients appreciate Evertop's ability to adapt and implement changes effectively, showcasing their commitment to meeting client expectations.
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$10,000+$50 - $99 / hr50 - 249New York, NY
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See all 1 projectsTeqnovos is a software development company specializing in building MVPs and custom platforms. The company is highly praised for its project management, responsiveness, and consulting abilities, with 100% positive feedback emphasizing their dedication to client success and effective communication. Approximately 50% of reviewers highlight their excellent consulting capabilities, suggesting their commitment to adding value beyond mere development.
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$25,000+$50 - $99 / hr10 - 49Bengaluru, India
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See all 4 projectsBluetick Consultants Inc. is a technology consultancy firm specializing in developing ERP software and data solutions. Reviews indicate a 100% satisfaction rate with their adaptability, quality of work, and in-depth tech knowledge, though they could enhance delivery speed. Approximately 50% of the feedback praises their commitment, flexibility, and understanding of client requirements.
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$10,000+Undisclosed10 - 49Stafford, England
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See all 1 projectsLangley Foxall Ltd. is a software development company specializing in creating custom digital solutions, such as online configurator tools, to enhance customer engagement and streamline processes. Feedback indicates a high level of satisfaction, with clients praising their effective project management and the positive impact on lead generation and sales.
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$5,000+< $25 / hr10 - 49Sacramento, CA
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See all 15 projectsRocket Systems is a company specializing in Enterprise App Modernization, providing services such as app development and project management. Their reviews highlight a 100% positive feedback rate, emphasizing their professionalism, effective project management, and strong alignment with client values. However, 20% of reviewers suggest expanding their design team to enhance service efficiency.
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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.