Top Application Modernization Services
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$1,000+$50 - $99 / hr2 - 9
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See all 1 projectsSaidul Islam Bhuiyan Technology is an IT company specializing in CRM and marketplace development, backend infrastructure, DevOps, and frontend services. Their reviews highlight exceptional engineering skills, timely delivery, and excellent communication, resulting in a 37% increase in customer satisfaction. They maintain high-quality standards with minimal bugs and are commended for their ethical and hardworking approach.
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$25,000+$100 - $149 / hr2 - 9Fitzroy, Australia
Services provided
See all 12 projectsAtlasopen is a versatile development and digital solutions provider, specializing in creating custom software platforms, mobile apps, e-commerce sites, and digital marketing solutions. With an emphasis on transparency and communication, they have received overwhelmingly positive feedback for their innovative approaches and ability to meet client needs. Approximately 90% of reviewers highlight their technical expertise and effective project management, while 70% commend their ability to adapt and deliver tailored solutions.
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$10,000+$25 - $49 / hr50 - 249
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See all 26 projectsEmpeek is a software development company specializing in Enterprise App Modernization, particularly for migrating legacy systems. All reviews highlight their competence and effective communication, with 100% positive feedback on project management and timely delivery. Their ability to handle complex data migrations without data integrity loss is frequently noted by clients.
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$10,000+$25 - $49 / hr2 - 9Bengaluru, India
Services provided
See all 5 projectsDebuide Technologies (OPC) Pvt Ltd is a versatile company specializing in cloud infrastructure, DevOps operations, and continuous integration services. Their reviews reflect a positive reputation, with 100% of clients highlighting their professionalism, timely delivery, and technical proficiency in AWS. Notably, their ability to adapt to client-specific project management systems and maintain high-quality delivery is frequently praised.
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$5,000+$50 - $99 / hr2 - 9
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See all 5 projectsTech Makers is a versatile software development company specializing in custom web app development, with a strong focus on Bubble.io and integration with external services. Across reviews, clients appreciated their professionalism, quick problem-solving skills, and strong UX/UI capabilities. With an 80% satisfaction rate and continued collaborations, Tech Makers' clients frequently commend their effective communication and ability to understand and address project needs.
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$25,000+$50 - $99 / hr10 - 49Zagreb, Croatia
Services provided
See all 3 projectsLeapwise is a technology services company specializing in customized software development and integration solutions, particularly for BSS/OSS platforms. The company is praised for its ability to quickly adapt to client needs, with 100% of reviewers highlighting their efficient project management and responsiveness. Clients value Leapwise for its cultural compatibility, cost-effectiveness, and highly qualified team.
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$10,000+$25 - $49 / hr50 - 249Warszawa, Poland
Services provided
See all 8 projectsTeam Connect Ltd. is a distinguished recruitment and HR services company specializing in providing tailored staffing solutions, particularly in IT and digital transformation domains. The company garners widespread acclaim for its effective project management, personalized approach, and customer-centric focus, with 100% of reviewers expressing satisfaction. Clients appreciate their professionalism, punctuality, and proactive communication, contributing to seamless collaboration and successful project outcomes.
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$25,000+$100 - $149 / hr10 - 49Newquay, England
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See all 1 projectsflowmoco is a software development company that specializes in creating bespoke digital solutions, such as a collaborative coastal safety app. The overall feedback is highly positive, with 100% of reviewers praising their timely delivery and exceptional project management. Clients commend flowmoco for their commitment and belief in the projects they undertake, with no areas for improvement mentioned.
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$5,000+$100 - $149 / hr10 - 49Vancouver, Canada
Services provided
See all 29 projects14 Oranges Software is a mobile app development company praised for its exceptional service and professionalism. Clients commend their seamless project management, timely delivery, and ability to exceed expectations. Notably, 100% of reviewers highlight their excellent communication and responsiveness. The company's ability to transform client visions into user-friendly applications is a recurring theme, with 0% negative feedback across all reviews.
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UndisclosedUndisclosed50 - 249Peabody, MA
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See all 8 projectsGraVoc is a multifaceted technology solutions provider specializing in IT management, web design, database development, and PCI compliance. The reviews indicate that 100% of clients report timely delivery and exceptional project management, highlighting GraVoc's strong communication and responsiveness. Clients appreciate GraVoc's ability to understand and adapt to their unique needs, with 83% noting their professionalism and reliability.
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$10,000+$100 - $149 / hr2 - 9Chicago, IL
Services provided
See all 9 projectsLakeview Labs is a mobile app development company known for its expertise in creating user-centric applications, providing services from conceptualization to launch. Overall, feedback is overwhelmingly positive, with 100% of reviewers expressing satisfaction with their partnerships. Clients frequently commend the company for their strategic insights, effective communication, and commitment to project success, with 80% highlighting their responsiveness and problem-solving capabilities.
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$5,000+< $25 / hr50 - 249Skokie, IL
Services provided
See all 14 projectsHoff & Mazor is a company specializing in Enterprise App Modernization, offering comprehensive software modernization services to enhance user engagement and retention. Reviews indicate a high level of satisfaction, with user engagement increasing by 35% and retention by 40%. Clients appreciate their commitment to user-centric design and transparent communication, although no specific areas for improvement were mentioned.
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$10,000+$50 - $99 / hr50 - 249Tallinn, Estonia
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See all 7 projectsOpus Online is a full-service web development firm specializing in e-commerce solutions, web design, and mobile app development. They are praised for their innovative, fast-paced approach and strong client relationships. Approximately 85% of reviewers highlight their efficiency and flexibility, while 75% commend their ability to deliver high-quality, user-friendly projects that meet complex business needs.
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$5,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
Services provided
See all 4 projectsSagant is a professional IT consulting and software development company renowned for its expertise in Java and microservices, offering custom software solutions and platform transformations. Across three reviews, 100% of clients highlight their professionalism, technical expertise, and effective project management. Clients are consistently satisfied, with no significant areas for improvement reported.
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$1,000+< $25 / hr10 - 49
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See all 3 projectsCodigitar is a software development company specializing in custom application and platform development. The company is highly praised for its personalized attention and expertise in the latest technology, with 100% of reviews noting their impressive project management and timely delivery. Clients appreciate their ability to interpret needs accurately, though a few minor coding errors were reported and promptly addressed.
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$10,000+$50 - $99 / hr10 - 49Prague, Czech Republic
Services provided
See all 6 projectsRIGANTI software development is a company specializing in Enterprise App Modernization and digital transformation services. The reviews highlight a strong alignment with client values, efficient project management, and a commitment to timely delivery. Impressively, 100% of the feedback is positive, with clients particularly appreciating their collaborative team dynamics and expertise in modernizing enterprise applications.
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$25,000+$50 - $99 / hr10 - 49Gliwice, Poland
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See all 3 projectsExlabs is a software development company specializing in cloud solutions and agile project management. The overall feedback from reviews is overwhelmingly positive, with 100% of reviewers praising their technical expertise, effective communication, and seamless project management. Clients highlight Exlabs' ability to provide innovative solutions and maintain strong collaborative partnerships, resulting in successful project outcomes and improved operational efficiency.
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$10,000+$50 - $99 / hr50 - 249
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See all 7 projectsTriolla, identified as PitangoUX in the reviews, is a UX/UI design company praised for its innovative and impressive designs across various sectors, including healthcare, technology, and retail. Approximately 80% of reviewers commend their professionalism and design expertise, although some note communication and delivery timeline challenges. Clients appreciate Triolla's collaborative approach and ability to translate visions into effective, visually appealing designs.
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$10,000+$100 - $149 / hr10 - 49Lalitpur, Nepal
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See all 3 projectsSynapse Technologies is a versatile technology solutions provider offering web development and software services, particularly adept at AI applications and IT management. Reviews reveal a consistent theme of timely delivery, exceptional client communication, and high customer satisfaction, with no areas for improvement mentioned and positive feedback from 100% of their clients.
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$1,000+$25 - $49 / hr50 - 249
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See all 9 projectsiQuasar LLC is a versatile IT services company specializing in website development, software modernization, and graphic support. Reviews highlight their strong communication, timeliness, and flexibility, with approximately 90% of clients noting impressive project management and value for cost. Many clients appreciate the seamless integration with their teams and the ability to deliver quality outcomes on time and within budget.
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$1,000+$25 - $49 / hr10 - 49Coral Gables, FL
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See all 9 projectsArchie Labs is a software development company specializing in building scalable web and mobile applications, backend services, and full-stack solutions. Across their reviews, 100% of clients praised their project management and communication skills, while 85% highlighted their technical expertise and innovative approach. The company's dedication to client success and collaborative spirit sets them apart.
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Undisclosed$100 - $149 / hr10 - 49
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See all 3 projectsAppworks Technologies is a versatile software development company known for creating robust applications and platforms, including iOS and Android apps, desktop software, and backend infrastructures. Across all reviews, 100% of clients commend their communication skills and project management expertise, highlighting their ability to fully understand and meet complex requirements efficiently. Clients consistently express satisfaction with their progress and organizational skills, showing no areas for improvement.
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$5,000+Undisclosed10 - 49
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See all 2 projectsSunNet Solutions is a development and technology solutions firm specializing in app and web system development, as well as ongoing support and maintenance. They have garnered positive feedback for their professional approach and attention to detail, with 100% of reviewers highlighting their effective project management and technical expertise. Clients appreciate their ability to enhance communication systems, contributing to increased customer engagement and satisfaction.
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$10,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
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See all 21 projectsFuturist Labs is a mobile app development company specializing in creating innovative and user-friendly iOS and Android applications. Across multiple reviews, the company is praised for its exceptional communication, flexibility, and technical expertise, particularly in meeting deadlines and delivering high-quality, bug-free products. Approximately 100% of reviewers highlighted their strong project management skills and customer-centric approach. Futurist Labs is noted for seamless integration into client teams and maintaining a collaborative partnership throughout projects.
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$25,000+$50 - $99 / hr50 - 249San Jose, CA
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See all 5 projectsMW2 Consulting is a versatile technology consulting firm that excels in e-commerce platform development, particularly using Magento and Ruby on Rails. The company receives overwhelmingly positive reviews, with clients highlighting their technical expertise, effective project management, and proactive approach to problem-solving. Over 90% of reviewers commend their commitment to client goals and seamless integration into project teams, while around 80% emphasize their ability to address complex technical challenges.
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$50,000+$100 - $149 / hr10 - 49Orlando, FL
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See all 3 projectsEcho Interaction Group is a mobile app development company recognized for their expertise in creating tailored apps for diverse industries. Their reviews indicate a high level of client satisfaction, with 100% positive feedback highlighting their effective project management and customer-centric approach. Clients commend Echo for their strategic partnership and commitment to quality, though minor improvements in communication of technical terms are noted.
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$10,000+Undisclosed2 - 9
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See all 2 projectsSeeklient Technologies is a versatile custom software development company specializing in CRM systems, mobile apps, and digital platforms. Feedback from their clients is overwhelmingly positive, highlighting their ability to integrate multiple functionalities into user-friendly systems and their responsive and proactive project management style. Notably, 100% of reviewers praise their seamless integration and design capabilities, as well as their responsive customer support.
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$10,000+$150 - $199 / hr10 - 49Houston, TX
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See all 4 projectsOptimum Consultancy Services is a versatile digital solutions provider, offering web development, SEO, digital marketing, and project management services. Reviews reflect 100% satisfaction with their exceptional client service, responsiveness, and commitment to quality. Notably, 75% of reviewers highlight their impressive project management and communication skills, underscoring their role as a reliable and professional partner.
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$10,000+$50 - $99 / hr50 - 249
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See all 18 projectsEkreative is a versatile software development company known for exceptional frontend and backend solutions, often utilizing technologies like React and Angular. Clients frequently commend Ekreative for their professionalism, responsiveness, and strong project management skills. With over 90% positive feedback, Ekreative excels in delivering high-quality code and effective communication, ensuring projects are completed on time and within budget.
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$10,000+$150 - $199 / hr50 - 249London, England
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See all 3 projectsSomo is a mobile strategy and app development agency known for its expertise in innovative mobile solutions. The company has received overwhelmingly positive feedback, with clients praising their enthusiasm, creativity, and deep understanding of the mobile market. Approximately 90% of reviewers highlight Somo's ability to innovate and effectively engage stakeholders, although some mention room for improvement in aligning with specific project briefs.
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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 -
$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 -
$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
35% Enterprise App Modernization65% 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.