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
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See all 1 projectsCoconuts Software is a web application development company specializing in creating web-based solutions for the insurance industry. Their expertise in technologies such as Bootstrap, C-sharp, and JQuery, combined with their deep understanding of the insurance market, has been highlighted as a significant advantage by clients. Approximately 90% of feedback emphasizes their strong project management skills and ability to meet deadlines, although some suggest improvements in vision and budgeting.
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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. Their reviews highlight a meticulous and detail-oriented approach, with 100% of feedback appreciating their responsiveness and collaboration. However, clients suggest that increasing team capacity could improve deadline adherence. Overall, clients are satisfied with the quality and thoughtfulness of their work.
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$10,000+$100 - $149 / hr10 - 49Edmonton, Canada
Services provided
See all 10 projectsDigital Fractal Technologies Inc specializes in Enterprise Application Modernization and software development, consistently delivering high-quality digital solutions tailored to client needs. With a 100% positive feedback rate, clients particularly appreciate their effective project management, timely delivery, and ability to exceed expectations, as evidenced by their strategic approach to modernizing digital systems.
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$1,000+$25 - $49 / hr10 - 49Tartu, Estonia
Services provided
See all 2 projectsCrewNew.com is a versatile software development company specializing in backend and frontend web development, UX/UI design, and technical architecture. Across reviews, clients highlight their rapid delivery and effective project management, with 100% of reviewers praising their speed and efficiency. The company's services have significantly impacted clients' businesses, notably enhancing fundraising capabilities and reducing operational costs.
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$5,000+$25 - $49 / hr2 - 9
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See all 1 projectsContento Labs is a software development company specializing in digitization and workflow management solutions. The majority of their reviews highlight the company's technical competence, business understanding, and financial attractiveness. While 83% of feedback is positive, indicating quality deliverables and meeting most deadlines, some reviewers note room for improvement in escalated support services.
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$1,000+$25 - $49 / hr10 - 49Pune, India
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See all 1 projectsDeep Valley Systems Pvt. Ltd. is a software development company specializing in mobile app development and AWS server management. Reviews indicate a strong dedication and adaptability, with 100% of reviewers highlighting their willingness to accommodate change requests, although some mention the need for improved understanding of project dependencies for efficiency. Overall, 80% of feedback is positive, appreciating their economical solutions and commitment to task completion.
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$10,000+$25 - $49 / hr10 - 49Timișoara, Romania
Services provided
See all 3 projectsTooktech Web Technologies is a custom software development company with expertise in developing legal software, web-based applications, and service applications using technologies such as .NET, Node.js, and Angular. The company consistently receives positive feedback, with over 90% of reviews highlighting their integrity, strong project management, and ability to deliver on time and within budget. Clients particularly commend their honesty, technical competence, and collaborative approach.
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$10,000+$25 - $49 / hr50 - 249Ho Chi Minh City, Vietnam
Services provided
See all 14 projectsRelia Software is a custom software development company specializing in web and mobile app development. They are consistently praised for their effective communication, timely delivery, and high-quality work, with over 90% of reviews highlighting these strengths. Their commitment to understanding client needs and delivering reliable solutions is frequently mentioned, with several clients noting their impressive project management and ability to align with business objectives.
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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 providing services such as Progressive Web Apps, mobile apps for Android and iOS, and Magento website development. Feedback highlights their responsive communication and commitment, with around 90% of reviews praising their willingness to assist and adaptability to client needs. Some reviews suggest improvements in adopting modern UI trends.
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$250,000+$50 - $99 / hr250 - 999Cluj-Napoca, Romania
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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
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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 onboarding user adoption services, known for their feature-rich and easily implementable solutions. The reviews highlight a 100% positive sentiment regarding the simplicity and capability of their platform. The only minor critique is the need for improvement in their knowledge base articles.
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$250,000+$100 - $149 / hr1,000 - 9,999Santa Clara, CA
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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 versatile software development company known for crafting robust, scalable backend and frontend solutions across various industries, including AI med tech, mobile gaming, food safety, and engagement platforms. With 100% positive reviews highlighting their impressive project management, responsive communication, and dedication to long-term success, they are praised for being reliable partners who prioritize client needs and deliver outstanding quality.
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$1,000+$25 - $49 / hr2 - 9Dublin, Ireland
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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
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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
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See all 22 projectsAlphonic Network Solutions is a versatile IT service provider specializing in web and mobile application development. Reviews reveal mixed feedback, with around 70% expressing satisfaction with their communication and project management, while a notable 30% have raised concerns regarding project delivery and code quality. The company's strengths lie in their comprehensive solutions and responsiveness, though consistency in quality remains a challenge.
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$50,000+$50 - $99 / hr50 - 249Rehovot, Israel
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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
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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
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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+$25 - $49 / hr10 - 49Yerevan, Armenia
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See all 13 projectsFifth is a dynamic software development company specializing in custom integrations, e-commerce solutions, web and mobile app development, and UX/UI design. With a 100% positive feedback rate, clients consistently commend their dedication, responsiveness, and project management skills. Approximately 70% of reviews highlight their ability to deliver high-quality work on time and within budget, making them a reliable partner for complex technical projects.
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$50,000+$150 - $199 / hr10 - 49Atlanta, GA
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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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List of the Top 15 Legacy Modernization Services
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$25,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
39.3/40.019.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
39.1/40.020/20 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 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 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 -
$10,000+$25 - $49 / hr1,000 - 9,999Southborough, MA
Ability to deliver
37.2/40.017.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr250 - 999Sacramento, CA
Ability to deliver
34.2/40.016.4/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
80% Enterprise App Modernization20% Other -
$25,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$25,000+$25 - $49 / hr50 - 249Agoura Hills, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
33.8/40.018.2/20 Reviews9.8/10 Clients & Experience5.7/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$5,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
37.2/40.017.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249București, Romania
Ability to deliver
35.9/40.020/20 Reviews10/10 Clients & Experience5.9/10 Market PresenceService focus
35% Enterprise App Modernization65% 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 -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
38.7/40.019/20 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
36.6/40.016.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
Undisclosed$150 - $199 / hr250 - 999London, England
Ability to deliver
36.4/40.017.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.3/40.018.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% 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+$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 -
$25,000+$25 - $49 / hr250 - 999Kropyvnytskyi, Ukraine
Ability to deliver
38.9/40.019.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
35.8/40.016.4/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
Undisclosed$25 - $49 / hr250 - 999Toronto, Canada
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+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
39.6/40.019.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr50 - 249Houston, TX
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35.6/40.017.6/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
Undisclosed$25 - $49 / hr250 - 999Beijing, China
Ability to deliver
36.8/40.020/20 Reviews7.2/10 Clients & Experience9.6/10 Market PresenceService focus
15% Enterprise App Modernization85% 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.