Top Application Modernization Services
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$10,000+$25 - $49 / hr50 - 249Jaipur, India
Services provided
See all 4 projectsAuriga IT is a versatile technology company specializing in software development and IT solutions. They have received predominantly positive feedback, with over 75% of reviews highlighting their high engineering quality and effective project management. Clients appreciate their ability to deliver complex projects on time and within budget, although some suggest improvements in critical thinking and marketing efforts. Overall, Auriga IT is noted for its flexibility, technical expertise, and value for money.
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$5,000+$25 - $49 / hr10 - 49Guadalajara, Mexico
Services provided
See all 3 projectsNTD Software is a software development company highly praised for its project management, timely delivery, and effective communication. Clients commend their professionalism, commitment, and understanding of client needs, with 100% positive feedback highlighting their ability to deliver on budget and meet project goals. Notably, 67% of reviewers appreciated their skilled team and customer support.
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$10,000+$25 - $49 / hr10 - 49
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See all 4 projectsEvalogical Technologies is a versatile technology company specializing in mobile app development, e-commerce solutions, and website design. The company consistently receives high praise for delivering user-friendly, high-quality applications and websites on time, with 100% of reviewers highlighting their responsiveness and creativity. Clients appreciate their commitment to quality and effective project management, with most reviews noting an excellent fit in terms of budget and company culture.
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Undisclosed$150 - $199 / hr2 - 9Seattle, WA
Services provided
See all 8 projectsFreelock LLC is an experienced web development company specializing in Drupal and WordPress solutions, offering services like server management, security, and website maintenance. Feedback is overwhelmingly positive, with 100% of reviewers praising their responsiveness, technical expertise, and ability to explain complex concepts. Clients appreciate their flexibility, transparency, and cost-effective solutions, although some note a need for improvement in graphic design capabilities.
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$25,000+$25 - $49 / hr50 - 249Plovdiv, Bulgaria
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See all 2 projectsCodeCoda Ltd. is a technology solutions provider specializing in software development, API integration, and cloud infrastructure. The company consistently receives positive feedback, with 100% of reviews highlighting their problem-solving capabilities and expert project management. Clients commend CodeCoda for delivering high-quality results, with one noting that they exceeded expectations and efficiently tackled complex challenges, while another appreciated their ability to improve on planned functionalities and their willingness to ensure clarity in communication.
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$5,000+$50 - $99 / hr50 - 249Panama City Beach, FL
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See all 6 projectsTeknika is a versatile technology company specializing in both hardware and software development solutions, including mobile and web application development, embedded systems, and UX/UI design. Across numerous reviews, clients praised Teknika for its strong project management, comprehensive technical expertise, and ability to integrate various technologies seamlessly. Approximately 90% of reviewers highlighted Teknika’s effective communication and timely delivery, cementing their reputation as a reliable partner in long-term engagements.
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$10,000+$100 - $149 / hr250 - 999London, England
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See all 11 projectsSoftwire is a software development company known for its expertise in custom software solutions, web development, and agile methodologies. Overall, approximately 95% of the reviewers express satisfaction with their work, highlighting Softwire's ability to manage projects effectively and deliver high-quality results. Common themes include their exceptional problem-solving capabilities, clear communication, and adherence to timelines. A notable number of reviews (around 75%) emphasize their strong project management and team collaboration skills.
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$10,000+$50 - $99 / hr2 - 9Warszawa, Poland
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See all 2 projectsKosmosKod is a web development company specializing in creating customized online booking systems. Reviews highlight their exceptional project management, clear communication, and ability to deliver high-quality, feature-rich software. Approximately 100% of the feedback is positive, with a focus on their efficiency and direct communication. The main area for improvement noted is their capacity to handle more projects due to their small team size.
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$10,000+$100 - $149 / hr10 - 49Southend-on-Sea, England
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See all 6 projectsAtlas - Clever Software is a bespoke software development company known for delivering innovative digital solutions, such as web-based applications, mobile apps, and CRM systems. Across six reviews, 100% highlight their professionalism, partnership approach, and technical expertise. Clients consistently commend their agile project management and effective communication, which has led to successful outcomes and ongoing collaborations.
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$25,000+$25 - $49 / hr2 - 9
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See all 1 projectsSummit Tech is an IoT solutions provider specializing in integrated systems for hospitality environments, exemplified by their work with Be Still Hotel Cappadocia. The company received overwhelmingly positive feedback, with significant improvements in energy savings (30%) and guest satisfaction (85%). Reviewers praised Summit Tech's structured project management and systems-focused approach, though minor onboarding improvements were suggested.
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$50,000+$150 - $199 / hr10 - 49Denver, CO
Services provided
See all 11 projectsDevIQ is a company specializing in Enterprise Application Modernization, providing services such as app modernization, digital transformation, and software platform update services. Overall, 100% of reviewers expressed satisfaction, praising DevIQ for their strong project management, timely delivery, and tailored solutions that enhance system reliability and security. A recurring theme is DevIQ's commitment to understanding clients' unique needs and delivering under budget and on time.
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$5,000+< $25 / hr50 - 249Ahmedabad, India
Services provided
See all 24 projectsiMOBDEV Technologies Pvt. Ltd. offers a range of services including App Modernization, digital transformation, and IT modernization. Reviews highlight their commitment to project timelines, effective communication, and the ability to understand and meet client requirements. Their expertise in modernizing enterprise applications has been particularly noted as a strong point.
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$5,000+$25 - $49 / hr10 - 49Kraków, Poland
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See all 8 projectsCleverCrew is a versatile software development company specializing in frontend and backend solutions, database management, and app development across various industries. Reviews highlight their strong project management, timely delivery, and effective communication, with 100% of reviewers praising these attributes. Clients appreciate their ability to integrate seamlessly within teams and deliver quality, cost-effective solutions, though some suggest improvements in machine learning and AI expertise.
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$10,000+< $25 / hr250 - 999Indore, India
Services provided
See all 6 projectsWebvillee Technology Pvt. Ltd is a versatile IT services company specializing in mobile and web application development. The overall feedback indicates a consistent positive experience, with 100% satisfaction reported in areas such as project management, communication, and the quality of deliverables. Notably, 80% of reviewers commend their prompt responsiveness and professionalism, while 60% emphasize their ability to provide valuable technical solutions.
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$5,000+$50 - $99 / hr10 - 49Gdańsk, Poland
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See all 2 projectsNet PC is a technology company specializing in the development of innovative booking systems and platforms for research and data collection. Reviews highlight their effective project management, strong communication skills, and technological expertise. Approximately 100% of the feedback is positive, with clients praising their ability to reduce costs and streamline processes efficiently.
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$75,000+$50 - $99 / hr50 - 249
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See all 3 projectsXenoss is an AdTech development company known for crafting advanced solutions and custom software. They are praised for their domain expertise, effective communication, and project management skills, receiving overwhelmingly positive feedback. Approximately 90% of reviewers appreciate their technical competence and ability to integrate seamlessly with existing teams, while a minority highlight challenges with the availability of engineering talent. Xenoss consistently exceeds client expectations by delivering high-quality products efficiently.
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$10,000+$50 - $99 / hr2 - 9Kanpur, India
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See all 2 projectsBee Designs IT Solution is a web development company praised for developing a professional online appointment system and user-friendly website for a healthcare firm. Reviews indicate 100% satisfaction with their responsiveness and on-time delivery, highlighting effective communication and a strong understanding of client needs.
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$25,000+Undisclosed10 - 49Columbia, TN
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See all 5 projectsPilot West Studios | ERP & Business Software Modernization is a company specializing in Enterprise App Modernization and Software Modernization. Reviews highlight their effective communication and adaptability, with 100% of clients noting reduced processing times and improved system transitions. Their ability to customize solutions and align company values is particularly commended.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
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See all 3 projectsMegaMinds United is a software development company specializing in Laravel application development, responsive and mobile development, and progressive web app development using React and Vue frameworks. Reviews highlight their professionalism, timely delivery, and responsive communication, with 100% of feedback being positive and emphasizing their alignment with client values, quality work, and willingness to adapt to client needs.
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$5,000+$25 - $49 / hr10 - 49Kraków, Poland
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See all 1 projectsGISonLine is a geospatial solutions company specializing in integrating geospatial mapping and visualization components into existing platforms. According to reviews, 100% of clients expressed satisfaction with their knowledgeable and experienced team, seamless integration, and strong project management. Their communication and understanding of business needs are consistently praised, with no areas for improvement noted.
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$10,000+$50 - $99 / hr10 - 49Cambridge, MA
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See all 1 projectsAciron Consulting, Inc. is a custom software development firm. Reviews indicate that 100% of clients are highly satisfied, noting the CEO's valuable industry insights and innovative solutions. While clients appreciate the CEO's intelligence and expertise, there is some concern about account manager turnover, although the transition process is well-documented.
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$10,000+$50 - $99 / hr50 - 249Tallinn, Estonia
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See all 9 projectsIspirer Systems specializes in Enterprise Application Modernization, focusing on database migration, software development, and legacy system recovery. With a consistent 100% positive feedback rate, clients commend their strong technical expertise, prompt communication, and reliability. Approximately 67% of reviewers highlight their capability in database conversion and migration, underscoring their proficiency in modernizing enterprise applications.
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$1,000+< $25 / hr10 - 49Jaipur, India
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See all 24 projectsArixLabs (Formerly FlutterFlowDevs) is a development agency specializing in mobile and web application development, particularly using low-code platforms like FlutterFlow. They have received mixed reviews, with approximately 70% of clients praising their project management and delivery timelines, particularly highlighting their dedication and responsiveness. However, a minority of clients, around 30%, have mentioned issues with project delays and communication. Their technical expertise, especially in Flutter, is consistently noted as a strength.
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$25,000+$50 - $99 / hr10 - 49Canton, GA
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See all 9 projectsWeGotCode.com is a software development company specializing in Enterprise Application Modernization, with expertise in app modernization and digital transformation. Reviews reflect 100% positive feedback, highlighting their punctual delivery, responsiveness, and comprehensive project completion. Clients commend their effective project management and ability to modernize legacy systems seamlessly.
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$50,000+$100 - $149 / hr10 - 49Burnaby, Canada
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See all 1 projectsSEYA Group is a software development and outsourcing company specializing in providing back-end, front-end, QA, and DevOps resources. The company received overwhelmingly positive feedback, with clients praising their ability to reduce project timelines by 50% and eliminate technical debt. Approximately 100% of reviews highlight their high-level professionals, cost-effectiveness, and excellent cultural fit.
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$10,000+$25 - $49 / hr50 - 249Noida, India
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See all 3 projectsUmbrella Infocare is a cloud service provider specializing in AWS cloud infrastructure, hosting, and managed services. The company is highly regarded for its expertise, professionalism, and customer-focused approach, achieving a 99.9% uptime and reducing cloud expenses by 27% for clients. An impressive 100% of reviews highlight their dedication and effective communication.
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Undisclosed< $25 / hr10 - 49
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See all 6 projectsMobilePundits is a mobile app development company known for creating high-quality iOS and Android applications, as well as web-based solutions. Clients frequently praise their thoroughness, communication skills, and dedication to understanding project requirements. Approximately 80% of reviews highlight their reliability and work ethic, while 40% mention their responsiveness and adaptability. Some clients note the need for clearer communication on design aspects and project timelines. Overall, MobilePundits maintains strong professional relationships and delivers effective mobile solutions.
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$25,000+$150 - $199 / hr10 - 49Truckee, CA
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See all 4 projectsNew Leaders is a versatile development and branding company specializing in web-based platforms, app development, and content management systems. They excel in understanding client visions, offering tailored solutions, and maintaining high customer satisfaction, as evidenced by a 100% positive feedback rate. Clients praise their project management and flexibility, though some note the need for clearer technical explanations for non-specialists.
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$10,000+$50 - $99 / hr10 - 49Santa Monica, CA
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See all 2 projectsInvemo is a mobile app development company that specializes in creating native applications for iOS and Android platforms. Reviews indicate a high level of client satisfaction, with 100% of reviewers praising their project management and innovative approach. Their emphasis on agile methodologies and delivering beyond expectations are frequently highlighted, making them a trusted partner for technical projects.
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$25,000+$50 - $99 / hr50 - 249Hanoi, Vietnam
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See all 4 projectszen8labs is a digital solutions company specializing in UX/UI design, mobile app development, and digital marketing optimization. Reviews highlight their exemplary project management, timely delivery, and user-centered approach, with 100% positive feedback emphasizing their ability to translate user data into actionable improvements and exceed client expectations. Clients appreciate their budget-friendly services and strong communication skills.
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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 -
$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
45% Enterprise App Modernization55% 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 -
$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.