Top Application Modernization Services
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UndisclosedUndisclosed250 - 999Warszawa, Poland
Services provided
See all 1 projectsXB Software is a web development company specializing in IT staff augmentation and full-cycle website development. Their reviews highlight a 100% satisfaction rate, with clients praising their technical expertise, outstanding project management, and seamless team integration. Notably, 100% of reviewers commend their proactive approach and commitment to quality, resulting in significant improvements in platform efficiency and user engagement.
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$1,000+$25 - $49 / hr10 - 49Pune, India
Services provided
See all 1 projectsDIBS Technology is a development company specializing in custom web application development and networking security solutions. Reviewers highlighted their commendable guidance and patience, with 100% noting projects were delivered on time. While generally positive, some feedback suggested improvements in requirement gathering and initial strategy planning.
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$10,000+$25 - $49 / hr2 - 9
Services provided
See all 1 projectsCoconuts Software is a web development company specializing in the analysis, development, and implementation of web-based applications. The company is highly regarded for its expertise in the insurance sector, with 100% of reviewers praising its industry knowledge and innovative solutions. While some suggest improvements in vision and budgeting, the overall feedback is overwhelmingly positive, noting consistent deadline adherence and effective project management.
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$1,000+< $25 / hr2 - 9Nairobi, Kenya
Services provided
See all 1 projectsKenya Website Designers is a web development company specializing in creating web-based software platforms. The feedback from their clients is predominantly positive, highlighting their meticulous attention to detail and collaborative nature, although meeting deadlines is occasionally a challenge. Approximately 90% of reviewers emphasize their excellent project management and responsiveness.
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$5,000+$25 - $49 / hr2 - 9
Services provided
See all 1 projectsContento Labs is a software development company specializing in workflow management and digitization projects using open-source technologies. They have received positive feedback for delivering quality work, meeting most deadlines, and showcasing strong business understanding, with 100% of reviewers highlighting their technical capability. However, improvements in escalated support services were suggested due to their small team size.
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$1,000+$25 - $49 / hr10 - 49Pune, India
Services provided
See all 1 projectsDeep Valley Systems Pvt. Ltd. is a software development company offering mobile app development and AWS server management. The reviews highlight their dedication and flexibility, although they encounter occasional rework and learning curves with new technologies. Approximately 70% of the feedback emphasizes their willingness to accommodate requests and deliver results.
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$10,000+$25 - $49 / hr10 - 49Timișoara, Romania
Services provided
See all 3 projectsTooktech Web Technologies is a software development company specializing in web-based applications, legal software, and ERP solutions. Across multiple reviews, 100% of clients commend their integrity, project management, and responsiveness, highlighting their capacity to deliver projects on time and within budget. With a consistent emphasis on honesty and trust, Tooktech Web Technologies ensures effective collaboration and client satisfaction.
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$10,000+$25 - $49 / hr50 - 249Ho Chi Minh City, Vietnam
Services provided
See all 14 projectsRelia Software is a software development company specializing in custom application development, UI/UX design, and technical solutions. Client feedback consistently highlights their effective communication, timely delivery, and strong project management skills. Approximately 95% of reviews are positive, with nearly 70% mentioning their impressive commitment to meeting project goals and providing quality solutions.
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$1,000+$25 - $49 / hr10 - 49Pune, India
Services provided
See all 4 projectsAppristine Technologies Pvt. Ltd. is a versatile software development company offering services such as Progressive Web Apps, mobile apps, and complex Magento website solutions. The company is renowned for its strong communication and flexibility, impressing clients with responsiveness and a willingness to adapt. While 100% timely delivery can be a challenge, clients appreciate their patience and attention to detail, with 100% of reviews noting their dedication and helpfulness.
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$250,000+$50 - $99 / hr250 - 999Cluj-Napoca, Romania
Services provided
See all 1 projectsPitechPlus specializes in software development and integrations, including online check-in systems for hotels, payment systems, and back-office applications. Reviews highlight their exceptional technical skills, efficient project management, and a strong culture fit, emphasizing professionalism and effective collaboration with their clients.
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$10,000+$100 - $149 / hr50 - 249Birmingham, AL
Services provided
Founded in 2022, ConcertIDC is a custom software development firm. In Birmingham, Alabama and Chennai, India, the team focuses on Custom Software Development and Application Management & Support.
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$10,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
Services provided
See all 5 projectsCarrot Tech Lab is a web development company known for its comprehensive website migration and design services. Their client reviews are overwhelmingly positive, with 100% mentioning significant improvements in SEO and UI/UX, leading to enhanced online presence and sales. Clients commend their technical expertise, customer-centric approach, and efficient project management, contributing to increased traffic and conversion rates without any notable areas for improvement.
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$10,000+Undisclosed250 - 999Franklin, MA
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Fresche Solutions is an IT managed services company. They were founded in 1976 and focus on IT managed services and cloud consulting & SI.
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$50,000+$50 - $99 / hr2 - 9Dubai, United Arab Emirates
Services provided
See all 6 projectsSpellSystems specializes in App Modernization services, including digital transformation and IT modernization. The company received positive feedback for its ability to enhance task management through AI-driven solutions. Customers appreciated SpellSystems' proactive problem-solving, prompt responses, and effective project management, highlighting their capacity to meet client needs with minimal guidance. The reviews suggest a strong alignment with enterprise application modernization objectives.
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UndisclosedUndisclosed10 - 49
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See all 1 projectsInline Manual is a company specializing in automated user onboarding and adoption services. The overall feedback from reviews is positive, highlighting the ease of implementation and feature-rich platform as key strengths. Approximately 90% of the reviews emphasize their excellent onboarding process, while only a minor critique mentions the rudimentary nature of some knowledge base articles.
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$50,000+$25 - $49 / hr10 - 49Yerevan, Armenia
Services provided
See all 13 projectsFifth is a versatile IT services company specializing in software development, integrations, and project management. Across reviews, clients highlight their dedication, responsiveness, and project management capabilities, with 100% satisfaction noted in meeting timelines and communication. About 90% of clients appreciate their cultural fit and value for cost, and several emphasize their ability to work as part of the team rather than as an external entity.
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$250,000+$100 - $149 / hr1,000 - 9,999Santa Clara, CA
Services provided
Infostretch is a large Application Testing company headquartered in Santa Clara, California and New York, New York. Their services include Application Testing and Enterprise App Modernization.
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$10,000+$25 - $49 / hr50 - 249Bengaluru, India
Services provided
See all 4 projectsSomeshwara Software Pvt Ltd is a comprehensive software development company specializing in backend infrastructure, mobile gaming platforms, inventory control, and web applications. The company is praised for its robust, scalable solutions and responsive project management, with 100% of reviewers highlighting their technical skills and effective communication. While some suggest improvements in communication clarity, overall feedback is predominantly positive.
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$1,000+$25 - $49 / hr2 - 9Dublin, Ireland
Services provided
CodeNotion Limited, a website development company, was launched in 2022. Located in Dublin, Ireland and Nicosia, Cyprus, the team offers Web Development and Enterprise App Modernization.
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$25,000+$50 - $99 / hr50 - 249Northampton, MA
Services provided
ILSA Interactive is an UX design agency launched in 2009. Their services include UX/UI Design and Custom Software Development.
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$10,000+$50 - $99 / hr2 - 9
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See all 8 projectsWi4 offers comprehensive IT modernization services, including App Modernization and Legacy App Modernization. Clients highlight their effective project management, detailed documentation, and cost-effective solutions. The overall feedback reflects high satisfaction with Wi4's ability to meet project goals and their expertise in healthcare interoperability.
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$1,000+$25 - $49 / hr50 - 249Jaipur, India
Services provided
See all 21 projectsAlphonic Network Solutions is a versatile technology company specializing in web and mobile application development. Reviews on Clutch.co reveal mixed feedback, with approximately 70% positive and 30% negative experiences. Clients praise their communication, expertise, and timely delivery, while some report project delays and dissatisfaction with deliverables. Their ability to manage complex projects and a proactive approach in providing solutions are frequently highlighted.
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$50,000+$50 - $99 / hr50 - 249Rehovot, Israel
Services provided
Globalbit is a custom software development company. The company is located in Rehovot, Israel and London, England. Their team offers Custom Software Development and Mobile App Development.
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$1,000+$25 - $49 / hr50 - 249Sahibzada Ajit Singh Nagar, India
Services provided
AR/VR development company Kompanions is headquartered in Gurugram, India and Sahibzada Ajit Singh Nagar, India. They offer AR/VR development and Artificial Intelligence and were established in 2015.
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$25,000+$50 - $99 / hr1,000 - 9,999
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Founded in 2000, NEORIS, a large software development company, is located in Miami, Florida. Their services include Custom Software Development and Application Testing.
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$75,000+$50 - $99 / hr250 - 999Ciudad de México, Mexico
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In Ciudad de México, Mexico and Paris, France, PALO IT is a midsize custom software development company. Their services include Custom Software Development and Product Design.
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$25,000+$50 - $99 / hr10 - 49Ha Noi, Vietnam
Services provided
TRIPLAYZ, a mobile application development company, was established in 2017. The team specializes in Mobile App Development and Web Development.
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$50,000+$150 - $199 / hr10 - 49Atlanta, GA
Services provided
Crowd Favorite, a small web development company, is headquartered in Atlanta, Georgia and Las Vegas, Nevada. Their services include Web Development and Custom Software Development.
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$10,000+$100 - $149 / hr10 - 49Parsippany-Troy Hills, NJ
Services provided
Software development firm INVASSO LLC focuses on Custom Software Development and Mobile App Development. They were founded in 2017.
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$50,000+$25 - $49 / hr50 - 249's-Graveland, Netherlands
Services provided
See all 2 projectsOmegaLab offers custom software development and IT consulting services, specializing in product discovery, MVP development, and roadmap creation. Reviews highlight the company's strong communication, adaptability, and cultural fit, with projects consistently delivered on time and within budget. Clients commend OmegaLab for its expertise and willingness to exceed expectations at competitive pricing.
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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
38.5/40.019.4/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$5,000+< $25 / hr1,000 - 9,999
Ability to deliver
35.9/40.016.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / 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 -
$50,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35/40.017/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
34.2/40.018.6/20 Reviews9.8/10 Clients & Experience5.7/10 Market PresenceService focus
60% Enterprise App Modernization40% 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 -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% 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
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
37.3/40.017.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
39.1/40.019.6/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.9/40.019/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
36.8/40.017.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
36.8/40.016.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
32.2/40.015.8/20 Reviews10/10 Clients & Experience6.4/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$50,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
36/40.016.6/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
36/40.016.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$100 - $149 / hr10 - 49Costa Mesa, CA
Ability to deliver
36.8/40.018/20 Reviews10/10 Clients & Experience8.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr250 - 999Lakeville, MN
Ability to deliver
37/40.017.2/20 Reviews9.9/10 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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$25 - $49 / hr50 - 249Warszawa, Poland
Ability to deliver
38.3/40.019.2/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
33.3/40.016/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$50 - $99 / hr50 - 249Prague, Czech Republic
Ability to deliver
39.2/40.020/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$25 - $49 / hr50 - 249Portland, OR
Ability to deliver
35.1/40.016.8/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
36.5/40.016.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$100 - $149 / hr50 - 249Belfast, Northern Ireland
Ability to deliver
37/40.017.2/20 Reviews10/10 Clients & Experience9.8/10 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.