Top Application Modernization Services
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$1,000+< $25 / hr10 - 49Loveland, CO
Services provided
See all 3 projectsLinkingLogics.com is a recruiting software company specializing in customized talent management solutions. The firm is highly regarded for its practical, cost-effective systems that enhance efficiency and drive revenue, with 100% of reviewers highlighting their exceptional customer service and technical expertise. Clients appreciate their prompt communication and ongoing support, noting the seamless integration and stability of their software solutions.
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$25,000+$100 - $149 / hr10 - 49Hermosillo, Mexico
Services provided
See all 1 projectsFifty Seven Pounds is a technology company specializing in website management and SEO content strategy. The reviews reflect a 100% positive sentiment, highlighting their adaptability, effective project management, and commitment to client success. Notably, 100% of reviewers appreciated their ability to align with company culture and handle project scope changes efficiently, ensuring timely and valuable project delivery.
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$1,000+< $25 / hr10 - 49Mumbai, India
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See all 1 projectsEnfini Labs Tech Consultant is a technology consultancy specializing in developing management software and databases, evidenced by their work with a rheumatology clinic. Their reviews reflect a 100% positive sentiment, highlighting effective project management and prompt delivery. Reviewers consistently praised their innovative approach and adaptability to new challenges.
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$1,000+$50 - $99 / hr10 - 49
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See all 1 projectsziphio is a mobile application development company, specializing in creating apps for both Android and iOS platforms. The reviews indicate a positive experience, with 100% of clients noting timely project completion and effective problem-solving in post-project glitches. Though initial guidance was necessary, clients found the team to be quick learners and capable project managers.
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UndisclosedUndisclosed10 - 49Omaha, NE
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See all 1 projectsVolano Software is a custom software development company specializing in mobile applications for iOS and Android, as well as web-based platforms. The reviews reflect a 100% positive sentiment, highlighting their reliability, transparency, and effective project management. Clients appreciate their straightforward communication and feel supported by their dedicated and flexible team.
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$5,000+$25 - $49 / hr10 - 49Wrocław, Poland
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See all 6 projectsDevqube is a versatile IT services company offering expertise in web and mobile app development, database management, and software maintenance. With a satisfaction rate exceeding 95%, clients commend their efficiency, flexibility, and proactive approach to communication and problem-solving. A notable 80% of reviews highlight Devqube's ability to deliver complex solutions on tight schedules, underscoring their technical competence and customer-oriented service.
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$10,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
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See all 1 projectsDIV Motion is a digital signage solutions provider, specializing in developing custom widgets for social media integration. The reviews highlight their exceptional understanding of client needs and strong expertise, with 100% positive feedback regarding their knowledge and independence in managing projects. Clients appreciate their effective communication and organization, with no noted areas for improvement.
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Undisclosed$25 - $49 / hr10 - 49Dhaka, Bangladesh
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See all 5 projectsInvento Software Limited is a versatile software development company specializing in supply chain traceability, ERP solutions, and website design. The company consistently receives positive feedback for its attention to detail, professionalism, and responsiveness, with 100% of reviewers reporting satisfaction with project outcomes and timely delivery. Clients also appreciate their alignment with company values and cost-effective solutions.
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$75,000+Undisclosed10 - 49L'viv, Ukraine
Services provided
See all 5 projectsAimtraction is a versatile software development company specializing in full-cycle development with a focus on Angular and AI-powered solutions. They have consistently impressed clients with their ability to integrate seamlessly into teams, delivering high-quality, scalable solutions with rapid turnaround times. Reviews highlight their strategic thinking and proactive communication, with over 90% of clients expressing satisfaction in usability and reliability. A recurring theme is their exceptional commitment to client success, often going beyond contractual obligations to ensure project outcomes align with business goals.
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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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$1,000+$100 - $149 / hr10 - 49San Pedro Sula, Honduras
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See all 9 projectsIQUALITY GROUP is a technology consulting and custom software development company with a strong focus on SAP integration and AI-driven solutions. Their reviews highlight solid project management and timely delivery, with an emphasis on efficient solutions and customer satisfaction. All reviews reflect positive feedback on their expertise and adaptability, with 100% of reviewers praising their technical proficiency and strategic approach to problem-solving.
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$1,000+$25 - $49 / hr50 - 249
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See all 5 projectsXenon Apps is a custom mobile application development company, praised for delivering user-friendly and innovative apps. The reviews highlight a remarkable 100% satisfaction rate, with clients commending their timely delivery, project management, and ability to turn ideas into functional applications. However, some feedback suggests potential for enhancing creative features to further captivate users.
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$1,000+$25 - $49 / hr2 - 9Lviv, Ukraine
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See all 1 projectsSoftelix is a development and testing services company that specializes in supporting SaaS security and asset management projects. Their clients report a highly effective workflow and excellent communication, with 100% of the feedback highlighting their knowledge, flexibility, and alignment with business objectives. Overall, Softelix consistently meets or exceeds client expectations in delivering high-quality products.
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$1,000+$100 - $149 / hr2 - 9
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See all 1 projectsStart State is a technology firm specializing in app and web development, recognized for creating efficient solutions tailored to client needs. Reviews highlight their exceptional project management, with 100% of feedback praising their communication and quick problem resolution. Clients commend their ability to recommend cost-effective technologies and deliver precisely on project requirements, contributing significantly to operational efficiency.
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$10,000+Undisclosed10 - 49Oak Park, IL
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See all 5 projectsUptic IO LLC is an enterprise application modernization company that excels in app modernization and digital transformation projects. They received 100% positive feedback for their skillset and project management, with clients highlighting their timely delivery and excellent communication. Notably, 100% of reviewers mentioned their impressive organization and alignment with company values.
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$10,000+$25 - $49 / hr50 - 249Ranchi, India
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See all 4 projectsCsharptek is a software development company specializing in custom software solutions, DevOps consulting, and technical support. With commendable project management and exceptional communication, 100% of their reviews highlight their adaptability, expertise, and timely delivery. Clients value their problem-solving skills and experienced team, though some note minor UI design improvements are possible. Overall, Csharptek is praised for their professional engagement and effective solutions.
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$25,000+$25 - $49 / hr50 - 249Gurugram, India
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See all 3 projectsOTS Solutions is a mobile application development company that provides services including design, implementation, and app functionality for both iOS and Android platforms. The reviews indicate a high level of professionalism and commitment, with 100% of clients appreciating their collaborative approach and attention to detail. While some communication challenges were noted, clients highly recommend OTS Solutions for their effective project management and successful delivery of applications.
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$10,000+< $25 / hr50 - 249Pune, India
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See all 3 projectsQuicSolv Solutions is a versatile software development company providing services including mobile app development and end-to-end CRM solutions. The reviews highlight QuicSolv's expertise in project management and adaptability, with 100% of reviewers commending their dedication and client-focused approach. Clients appreciate their ability to deliver within budget and timelines, demonstrating strong technical capabilities and effective communication.
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$1,000+$25 - $49 / hr2 - 9Jakarta, Indonesia
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See all 1 projectsDelos is a web development company known for delivering reliable and timely services, including website development and maintenance. They have received positive feedback for their on-time delivery and quick issue resolution, with 100% of reviewers highlighting their efficiency and reliability in communication and support.
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$1,000+$50 - $99 / hr10 - 49
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See all 6 projectsEngine is a multifaceted technology company providing services in mobile application development, ERP solutions, and technical maintenance. Reviews indicate a 70% satisfaction rate, with clients praising their expertise, project management, and attention to detail. However, some concerns were noted regarding code quality and transparency, particularly in complex projects. Overall, Engine is recommended for those seeking in-depth technical assistance and seamless communication.
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$5,000+$25 - $49 / hr10 - 49Delhi, India
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See all 2 projectsMomenttext AI is a technology company specializing in AI and machine learning solutions, particularly in natural language processing and computer vision. Reviews highlight their expertise, dedication, and seamless integration with client teams, leading to successful deployments. 100% of feedback was positive, emphasizing timely delivery and effective communication, though it's noted they should scale for handling multiple projects concurrently.
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$1,000+$25 - $49 / hr50 - 249Jaipur, India
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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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$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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$25,000+$50 - $99 / hr10 - 49
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See all 1 projectsWesence is a software development company specializing in frontend solutions for B2B SaaS platforms. The company received 100% positive feedback, with clients praising their flexibility, responsiveness, and ability to exceed expectations. In one notable project, they successfully developed 120 training modules, surpassing the initial target of 100.
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$100,000+$150 - $199 / hr2 - 9
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See all 2 projectsGrowthMob is a strategic marketing and development company specializing in web design, platform upgrades, and digital marketing solutions. They receive overwhelmingly positive feedback, with 100% of reviewers highlighting their exceptional project management, strategic-technical integration, and adaptive problem-solving. GrowthMob is recognized for their effective communication and ability to tailor solutions that exceed client expectations.
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$10,000+$200 - $300 / hr50 - 249New York, NY
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See all 2 projectsZertain is an IT consulting firm specializing in CRM development, low-code solutions, and technical support across various platforms, including PHP, WordPress, and Power BI. Reviews highlight their excellent communication and responsiveness, with 100% of clients appreciating their problem-solving and adaptability. Clients consistently report satisfaction with their project outcomes and commend Zertain for their efficient project management and alignment with client values.
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$75,000+$150 - $199 / hr50 - 249Vancouver, Canada
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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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$50,000+$100 - $149 / hr50 - 249Herndon, VA
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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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$250,000+$50 - $99 / hr250 - 999
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Making Sense, a custom software development company, provide Custom Software Development and IT strategy consulting. They were founded in 2006.
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$5,000+$100 - $149 / hr2 - 9Charlottesville, VA
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See all 2 projectsCoshx is a mobile app development company renowned for transforming complex ideas into well-designed mobile applications. The company receives overwhelmingly positive feedback, with clients praising their exceptional project management, communication, and collaborative approach. Approximately 100% of reviewers highlight their thoughtfulness and commitment to client projects, often feeling like partners rather than service providers.
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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
35/40.019.6/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
35.3/40.018.8/20 Reviews10/10 Clients & Experience6.5/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$5,000+< $25 / hr1,000 - 9,999
Ability to deliver
31.9/40.016.6/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
31.6/40.017.4/20 Reviews9.8/10 Clients & Experience4.4/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
31.3/40.015.8/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$10,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
38.1/40.020/20 Reviews10/10 Clients & Experience8.1/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
36.6/40.020/20 Reviews10/10 Clients & Experience6.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
30.2/40.015.8/20 Reviews10/10 Clients & Experience4.4/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$25,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
33.9/40.018.2/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
29.8/40.015.2/20 Reviews8.8/10 Clients & Experience5.9/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
35.7/40.020/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
31.1/40.016/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
33/40.017.2/20 Reviews10/10 Clients & Experience5.8/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
37/40.019.8/20 Reviews10/10 Clients & Experience7.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$25 - $49 / hr250 - 999Toronto, Canada
Ability to deliver
32.9/40.016.6/20 Reviews10/10 Clients & Experience6.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
32.7/40.016.8/20 Reviews10/10 Clients & Experience5.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
34.3/40.019/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
33.7/40.016.6/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr250 - 999Unterschleißheim, Germany
Ability to deliver
32.2/40.017.2/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
35.2/40.019/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$50 - $99 / hr10 - 49Farmington, MI
Ability to deliver
31.5/40.016.6/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34.1/40.018.4/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$150 - $199 / hr50 - 249
Ability to deliver
32/40.016.6/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
31.8/40.016.4/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$1,000+< $25 / hr50 - 249Jaipur, India
Ability to deliver
32.6/40.017.2/20 Reviews9.4/10 Clients & Experience6/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
31.5/40.016.6/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$25 - $49 / hr50 - 249Portland, OR
Ability to deliver
31.5/40.016.8/20 Reviews10/10 Clients & Experience4.7/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$250,000+$150 - $199 / hr10 - 49Littleton, CO
Ability to deliver
33.3/40.017.6/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
31.5/40.016.2/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
31.4/40.016.4/20 Reviews9.8/10 Clients & Experience5.2/10 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.