Top Application Modernization Services
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsEvius Industri is a web development company renowned for creating websites with enhanced UI/UX designs. Based on reviews, 100% of clients commend their high-quality service and effective project management. They are highlighted for their agility, competence, and ability to drive increased traffic and leads through their work.
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$50,000+$100 - $149 / hr250 - 999Edison, NJ
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See all 1 projectsFutran Solutions is a comprehensive IT services company specializing in end-to-end application development and digital marketing. Their reviews highlight a high level of customer satisfaction, with 100% positive feedback emphasizing their robust project management and ability to deliver solutions on time. Approximately 50% of reviewers noted the convenience of having all services under one roof.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
Services provided
See all 3 projectsSwan Softweb Solutions is a software development company specializing in cloud security, enterprise IoT solutions, and custom application development. With a nearly 100% positive feedback rate, clients commend their professional development team, effective communication, and dedication to project success. Many reviews highlight their technical expertise and seamless workflow integration, which has consistently led to reliable and innovative solutions.
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$5,000+$50 - $99 / hr10 - 49Kharkiv, Ukraine
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See all 1 projectsJOrange is a web development company specializing in Shopify solutions and optimization. The reviews highlight their technical proficiency and creative problem-solving abilities, with clients appreciating their ability to enhance site speed and implement innovative features. Positive feedback is prevalent, with notable praise for their fair pricing and effective project management, making them a reliable and valued partner in e-commerce development.
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$5,000+$100 - $149 / hr2 - 9Gothenburg, Sweden
Services provided
See all 3 projectseComero AB is a professional consulting firm specializing in e-commerce solutions, notably using Magento for web development and SEO services. Clients consistently praise their dedication to client success, with 100% of reviewers highlighting their commitment and expertise. While some find Magento complex, the overall feedback is overwhelmingly positive, citing excellent project management and open communication.
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$1,000+$50 - $99 / hr2 - 9
Services provided
See all 3 projectsBytewise is a web development company specializing in website design, SEO optimization, and digital presence enhancement. Across their reviews, 100% of clients praised their excellent communication and project management, with notable success in delivering responsive, high-performing websites. Positive feedback highlighted their ability to exceed expectations and tailor solutions to clients' unique needs, although some suggested enhancements in project tracking and post-launch support.
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$5,000+Undisclosed10 - 49Greenville, SC
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See all 1 projectsOrange Bees is a software development company specializing in building custom database solutions and seamless CRM integrations. The company is praised for its flexibility and thoroughness, with 100% of reviewers highlighting their ability to adapt to diverse client needs. Clients appreciate their effective project management, though they suggest improvements in role definition. Overall, Orange Bees is highly recommended for collaborative and complex projects.
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$5,000+$50 - $99 / hr10 - 49Buenos Aires, Argentina
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See all 1 projectsMG, a software integration company, is noted for its expertise in developing integration solutions between ERP and WMS systems. The feedback is overwhelmingly positive, with 100% of reviewers praising their timely delivery and error-free execution. Clients appreciate MG's know-how and cultural fit, highlighting their impressive project management skills.
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$1,000+< $25 / hr2 - 9Luhans'k, Ukraine
Services provided
See all 1 projectsWonderkid Studio is a programming and web development company known for building custom websites and implementing client ideas effectively. Positive feedback highlights their competence, reliability, and customer service, with 100% of reviewers praising their problem-solving ability and project management. However, some noted improvements could be made regarding project speed due to resource balancing.
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$50,000+$150 - $199 / hr10 - 49Denver, CO
Services provided
See all 7 projects303 Software is a company specializing in Enterprise App Modernization, delivering services such as system architecture, web design, and UI/UX. A consistent theme in their reviews is their ability to deliver projects on time and within budget, with a 100% positive feedback rate. Reviewers commend their willingness to immerse themselves in complex subject matter, enhancing software modernization outcomes.
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$50,000+$100 - $149 / hr50 - 249Herndon, VA
Services provided
See all 1 projectsSolution Street is a web development company specializing in creating sophisticated web-based platforms with robust administrative back ends and intuitive user interfaces. The company has received 100% positive feedback, with clients praising their responsiveness, ability to grasp complex concepts, and the significant business growth facilitated by their solutions.
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$75,000+$150 - $199 / hr50 - 249Vancouver, Canada
Services provided
See all 2 projectsPurely CRM via Endeavour Solutions is a CRM consulting firm specializing in Microsoft Dynamics implementation and migration services. Reviews highlight their effective project management, with 100% of clients noting strong communication and timely delivery. Customers appreciate their professionalism and low-friction collaboration, with minor suggestions for expanding beyond CRM to other Microsoft tools. Overall, the feedback is overwhelmingly positive, emphasizing their expertise and client satisfaction.
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Undisclosed$50 - $99 / hr50 - 249Wrocław, Poland
Services provided
See all 2 projectsSofixit is a software engineering and mobile app development company noted for its technical competence and efficient project management. They successfully deliver projects on time and within budget, with 100% of reviewers praising their responsiveness and ability to meet client needs. Their blend of technical expertise and client-focused communication is frequently highlighted as a strength.
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$5,000+$100 - $149 / hr10 - 49Neuilly-sur-Seine, France
Services provided
Userware is an Enterprise App Modernization company. The company is located in Neuilly-sur-Seine, France. Their services include Enterprise App Modernization and Custom Software Development.
Read more -
$10,000+$50 - $99 / hr50 - 249Kyiv, Ukraine
Services provided
See all 2 projectsConfidence Technology is a company specializing in website programming and e-commerce solutions. Their reviews highlight a commitment to innovation, attention to detail, and efficient project management. Clients noted significant improvements in site performance and user engagement. While highly satisfied overall, some clients suggested more frequent progress updates could enhance communication. Approximately 100% of the reviews reflect positive feedback on their services and outcomes.
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$25,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
Services provided
See all 1 projectsSourceX is a software development company specializing in telecommunications, focusing on billing and CRM systems using technologies like Java and React.js. Customers report a 100% satisfaction rate, highlighting their telecommunications expertise and flexibility in project scope. All reviews reflect positive outcomes and recommend SourceX for software development in the telecom sector.
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$50,000+Undisclosed10 - 49Rajkot, India
Services provided
See all 2 projectsTark Technologies is a company specializing in Enterprise Application Modernization, offering comprehensive software modernization services. Their reviews are overwhelmingly positive, with clients praising their ability to modernize legacy systems effectively, their reliable 24/7 support, and their collaborative project management approach. Approximately 90% of feedback highlights their professionalism and capacity for enhancing product features significantly.
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Undisclosed$25 - $49 / hr1,000 - 9,999
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See all 1 projectsEtech Technology Solutions specializes in comprehensive digital marketing services, offering expertise in areas such as YouTube channel relaunches and podcast production. Reviews highlight a strong alignment with client values and commendable project management, with an emphasis on timely delivery and client responsiveness. Notably, 100% of the feedback is positive, emphasizing the company's dedication to service.
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$5,000+$25 - $49 / hr2 - 9In-Naxxar, Malta
Services provided
See all 4 projectsKaapisoft Ltd is a software development company specializing in creating customized solutions for various industries, from telecoms to legal services. The company is highly praised for its strong communication skills, timely delivery, and thorough understanding of client requirements, with 100% of reviewers expressing satisfaction with their projects. Clients appreciate the company's ability to adapt to changing needs and provide professional recommendations.
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$1,000+< $25 / hr10 - 49Indore, India
Services provided
See all 1 projectsCorusview IT Services Pvt. Ltd. is a versatile company offering services in SEO, web development, software development, and mobile app development. Feedback indicates a strong commitment to work and deliverables, with excellent project management; 100% of reviewers commend their dedication and effectiveness, and none noted areas for improvement.
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$1,000+< $25 / hr10 - 49Vadodara, India
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See all 1 projectsiTechnoSol Inc. is a versatile technology solutions provider specializing in CMS development, website creation, and SEO services. Reviews highlight their proficiency in timely delivery and innovative use of technology, with 100% positive feedback on their adaptability and budget-friendly solutions. However, there is a suggestion for more proactive input in project guidance.
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$5,000+$50 - $99 / hr10 - 49Wrocław, Poland
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See all 1 projectsSolvti Sp. z o. o. is a company specializing in Enterprise Application Modernization, focusing on streamlining processes and integrating platforms for enhanced efficiency. Reviewers consistently commend their project management and solution delivery, with approximately 100% noting their professionalism and dedication. A minor challenge mentioned is the frequent changes in team composition, requiring additional onboarding time.
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$10,000+< $25 / hr50 - 249Surat, India
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See all 1 projectsOptimumBrew Technology is a mobile app development company that excels in creating solutions for both private and public users. With 100% positive feedback, clients praise their effective communication, timely project management, and valuable recommendations. Despite being based in India, they maintain seamless collaboration with clients globally, ensuring no issues from language or time zone differences.
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$50,000+$150 - $199 / hr10 - 49
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See all 4 projectsRocket Lab is a versatile technology company specializing in mobile app development, UX/UI design, and e-commerce solutions. Their clients commend their responsiveness, technical expertise, and flexibility, with around 90% of reviewers highlighting their ability to deliver projects on time and exceed expectations. Feedback consistently praises their strategic insight and customer service, establishing Rocket Lab as a reliable partner for complex digital projects.
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$5,000+$50 - $99 / hr10 - 49Bratislava, Slovakia
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See all 4 projectsYounics is a software development company specializing in cross-platform development and agile solutions. Reviews indicate a strong alignment with client values, timely project delivery, and professional yet friendly communication. Approximately 100% of reviewers praised their project management and cultural fit, with no significant areas for improvement mentioned.
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Undisclosed< $25 / hr50 - 249Sandton, South Africa
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See all 1 projectsKB Consulting is a bespoke web application development company specializing in advanced systems with Business Intelligence reporting. They received 100% positive feedback for their efficient project management and remarkable turnaround time, with clients highlighting cost-effectiveness as a significant benefit. All reviewers indicated satisfaction with no areas for improvement mentioned.
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$25,000+$150 - $199 / hr250 - 999Burnaby, Canada
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See all 4 projectsCelestial Systems Inc. is a technology solutions company that specializes in cloud transformation, web application development, and software development. Reviews indicate a strong emphasis on responsive project management, adaptability to budget constraints, and delivering value for cost, with 100% of reviewers highlighting effective communication. Some feedback suggests potential improvements in initial skill matching and quality control of UI mockups.
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$25,000+$50 - $99 / hr10 - 49
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See all 4 projectsDEMY Software Services Ltd is a versatile software development company specializing in end-to-end infrastructure solutions across varied industries, including AI-powered platforms, semiconductor technologies, and real-time medical devices. The company receives approximately 90% positive feedback, with clients highlighting their transparency, flexibility, and proactive problem-solving. Many reviewers (about 70%) commend their collaborative partnership approach and technical expertise.
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UndisclosedUndisclosed10 - 49Alpharetta, GA
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See all 1 projectsAbel Solutions is a software development company specializing in creating workflow management solutions, notably integrating with Microsoft Dynamics CRM. Reviews highlight their strong project management and knowledgeable developers, with 100% of feedback expressing satisfaction and noting the delivery of solutions that met or exceeded expectations. Abel Solutions consistently impressed clients with their ability to meet defined milestones.
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$5,000+Undisclosed2 - 9Plovdiv, Bulgaria
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See all 2 projectsSIX MS is an Enterprise Application Modernization company specializing in ERP solutions and IT Modernization. They are praised for their cost-effective services, rapid implementation, and responsive project management. Approximately 80% of reviewers commend their pricing and speed, while 20% suggest improvements in customizing system functionalities to better meet client needs.
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List of the Top 15 Legacy Modernization Services
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$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
36.9/40.019.2/20 Reviews9.9/10 Clients & Experience7.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$5,000+< $25 / hr1,000 - 9,999San Jose, CA
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 - 9,999Kraków, Poland
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 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 -
$25,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35.2/40.017.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Enterprise App Modernization90% 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 -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
37.4/40.017.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
11% Enterprise App Modernization89% Other -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
36.4/40.016.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Enterprise App Modernization70% 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 -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
34.1/40.016.8/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
38/40.018.4/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
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+$150 - $199 / hr50 - 249Montréal, Canada
Ability to deliver
37.5/40.017.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
35.3/40.016.8/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$25 - $49 / hr50 - 249Portland, OR
Ability to deliver
35.3/40.017/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999Unterschleißheim, Germany
Ability to deliver
35.1/40.018/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$50 - $99 / hr50 - 249Rybnik, Poland
Ability to deliver
35.1/40.017.2/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$25 - $49 / hr250 - 999Stuttgart, Germany
Ability to deliver
37.9/40.018.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$100 - $149 / hr50 - 249Belfast, Northern Ireland
Ability to deliver
36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.9/40.018/20 Reviews9.6/10 Clients & Experience9.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$25 - $49 / hr50 - 249Melbourne, Australia
Ability to deliver
32.9/40.016.4/20 Reviews8.4/10 Clients & Experience8.1/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$50,000+$50 - $99 / hr250 - 999Palo Alto, CA
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
36.7/40.017/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$50 - $99 / hr250 - 999Warszawa, Poland
Ability to deliver
34.6/40.016/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$250,000+$50 - $99 / hr250 - 999Broomfield, CO
Ability to deliver
37.5/40.017.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$50 - $99 / hr50 - 249Prague, Czech Republic
Ability to deliver
38.5/40.019.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
30.4/40.017.4/20 Reviews8.2/10 Clients & Experience4.8/10 Market PresenceService focus
60% Enterprise App Modernization40% 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.