Top Application Modernization Services
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$10,000+Undisclosed50 - 249Oxon Hill, MD
Services provided
See all 8 projectsCloudforce is a company specializing in Enterprise Application Modernization, providing robust support and consultation services. Reviews indicate 100% positive feedback, highlighting their timely delivery and exceptional quality of support. Clients specifically commend their ability to maintain smoothly functioning technology infrastructures, with no noted areas for improvement.
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$25,000+$50 - $99 / hr10 - 49Yerevan, Armenia
Services provided
See all 1 projectsThe Project Drivers is a web development company that specializes in website redesign and launch services. They are praised for their dedication and professionalism, with 100% of reviewers highlighting their commitment to meeting project goals, even working late to resolve timing issues. The team is noted for transparency and strong communication, making them a reliable partner.
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$25,000+$150 - $199 / hr10 - 49Oakleigh South, Australia
Services provided
See all 7 projectsEnvision IT is an IT services company that offers solutions such as website development, API integration, ERP system implementation, and complex algorithm development. The company consistently receives positive feedback, with clients praising its project management, timely delivery, and ability to work independently and efficiently. Approximately 100% of reviewers highlight Envision IT's capacity to simplify complex problems and deliver projects on schedule and within budget.
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$5,000+$200 - $300 / hr10 - 49Laval, Canada
Services provided
See all 5 projectsDirect Impact Solutions is a technology solutions company specializing in custom database development and management. The company consistently receives positive feedback, with 100% of reviewers praising their effective communication, timely delivery, and understanding of client needs. Clients highlight their excellent project management and value for cost, with 60% mentioning their personalized service and ability to anticipate client requirements.
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UndisclosedUndisclosed10 - 49Wrocław, Poland
Services provided
See all 4 projectsInnovation Software is a versatile software development company offering advanced web application solutions and e-commerce platform enhancements. The company has received overwhelmingly positive feedback, with 100% of reviewers highlighting their professionalism, timely delivery, and effective communication. Clients appreciate their ability to seamlessly integrate into existing systems and their use of modern technologies to achieve significant business improvements.
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$5,000+$50 - $99 / hr10 - 49Plovdiv, Bulgaria
Services provided
See all 2 projectsPlatform Devs is a custom software development company specializing in building applications from scratch, with a focus on frontend and backend development. The feedback from clients is overwhelmingly positive, highlighting their high responsiveness and expertise, with no significant areas for improvement mentioned. Notably, 100% of reviewers found their project management approach effective and appreciated their proactive communication and progress demonstrations.
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$5,000+< $25 / hr50 - 249Kolkata, India
Services provided
See all 42 projectsTechno Exponent is a company specializing in Enterprise Application Modernization, offering services such as software modernization and digital transformation. Their reviews highlight a strong alignment with client needs, effective project management, and strategic value, with 100% positive feedback emphasizing improved system efficiency and user experience.
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$50,000+$200 - $300 / hr10 - 49Portsmouth, NH
Services provided
See all 9 projectsProximity Lab is a company that specializes in Enterprise Application Modernization, offering services like platform modernization and product strategy development. Reviews are overwhelmingly positive, with approximately 90% praising their high-quality deliverables, effective project management, and alignment with client values and ethics. Clients appreciate their innovative approach and ability to adapt to changing project scopes.
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$5,000+$50 - $99 / hr10 - 49Böblingen, Germany
Services provided
See all 4 projectsSoftware Aspekte is a versatile software development company specializing in IT change management, CRM implementation, and embedded software development. The company is noted for its high-quality deliverables and strong alignment with client needs, with 100% of reviews highlighting their cost-effectiveness and skilled team. Positive feedback underscores their reliable project management and excellent developer skills.
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$5,000+$50 - $99 / hr50 - 249Toruń, Poland
Services provided
See all 5 projectsecom.software is a technology solutions provider specializing in digital transformation and IT infrastructure for the insurance industry. The company consistently receives high praise, with 100% of reviewers highlighting its adept project management and timely delivery. Notably, 80% of reviews commend their insurance industry expertise and agile project approach, emphasizing their role as a reliable partner for technological advancements.
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$25,000+$150 - $199 / hr50 - 249Austin, TX
Services provided
See all 15 projectsMutual Mobile (A Grid Dynamics Company) is a versatile application development company, offering expertise in creating mobile apps, AR solutions, and fintech platforms. Their reviews indicate a high level of client satisfaction with 100% positive feedback, highlighting their strong project management, commitment, and technical expertise. About 80% of reviewers commend their adaptability and collaborative approach, making them a recommended partner if your budget permits.
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$5,000+$25 - $49 / hr50 - 249Semarang, Indonesia
Services provided
See all 4 projectsCrocodic is a leading software development company in Indonesia, specializing in web and mobile application development with a strong focus on HRIS platforms and matchmaking applications. Reviewers consistently praise their technical capabilities, proactive problem-solving, and timely project delivery, with over 90% of feedback highlighting efficient communication and responsiveness. Clients appreciate their ability to offer customized solutions, emphasizing security, user experience, and innovative engineering.
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$10,000+$50 - $99 / hr50 - 249New York, NY
Services provided
See all 13 projects7L International 🇺🇸 🇬🇧 🇪🇺 is a versatile development company specializing in web and software development, UX/UI design, and custom component creation for platforms like Framer. The company consistently receives praise for its high-quality deliverables, adaptability, and effective communication. All reviews reflect satisfaction, with no negative feedback, emphasizing their professionalism and ability to meet client needs efficiently.
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$50,000+$50 - $99 / hr50 - 249Austin, TX
Services provided
See all 12 projectsDivelement Web Services is a versatile web development company offering services in SaaS product development, mobile app creation, and website design, among others. The feedback from clients is overwhelmingly positive, with over 95% praising their strong technical expertise, responsive communication, and ability to adapt to complex projects. Many clients (approximately 80%) highlight their effective project management and alignment with client values, while some suggest room for improvement in internal communication.
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$1,000+< $25 / hr10 - 49Mississauga, Canada
Services provided
See all 55 projectsTelkoware is a software development company specializing in web and e-commerce solutions, notably utilizing platforms like Shopify. Clients consistently praise their quality of work and project management, with many highlighting their attention to detail and responsiveness to feedback. Approximately 100% of reviewers noted significant improvements in website traffic and customer engagement post-launch, and the company is frequently commended for its exceptional customer service and technical expertise.
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$75,000+$25 - $49 / hr50 - 249Rio de Janeiro, Brazil
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See all 1 projectsiBlue Consulting is a digital product development company that specializes in creating innovative insurance solutions. They have received 100% positive feedback for their professional project management and timely delivery. Clients appreciate their alignment with company values, agile methodology, and ability to rapidly develop and market-test MVPs for various insurance products.
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$75,000+$150 - $199 / hr10 - 49Otford, England
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See all 3 projectsecce. is a technology solutions company specializing in database management, API web services, and interface design. Their consistent ability to deliver projects on time with exceptional project management and clear communication is highlighted across their reviews. Notably, 100% of clients mention their adaptability and customer-centric approach as key strengths, with no negative feedback reported.
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$1,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
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See all 4 projectsNetex Cloud Technologies LLC is a versatile IT services provider, specializing in process automation, HRM system development, and IT and back-office outsourcing solutions. Reviews reveal a client-oriented approach, with 100% of reviewers praising their proactive support and high-quality services. Despite minor invoicing concerns, clients consistently commend their skilled team and effective project management.
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$25,000+$25 - $49 / hr50 - 249Gurugram, India
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See all 17 projectsNeuronimbus is a versatile digital solutions provider, excelling in web development, mobile app creation, and AI-driven digital transformations. Reviews reveal a generally positive reception, with a strong emphasis on their project management skills and commitment to client satisfaction. Approximately 90% of reviewers highlight their technical expertise and proactive approach, while some suggest room for improvement in creative content development and innovative idea generation.
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$10,000+$100 - $149 / hr250 - 999Brooklyn, NY
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See all 36 projectsFive, an Endava company, is a versatile digital agency specializing in mobile app development, strategic consulting, and user acquisition. Reviewers commend their comprehensive project management and innovative approach, highlighting their effectiveness in delivering high-quality work on time and within budget. Approximately 90% of clients praise their expertise, adaptability, and client-focused service, underscoring their commitment to fostering successful, long-term partnerships.
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$25,000+$25 - $49 / hr10 - 49Ternopil, Ukraine
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See all 11 projectsUplab Software is a versatile software development company specializing in crafting mobile applications, web portals, and advanced UI services. With an emphasis on seamless project management and strategic collaboration, they have achieved high client satisfaction, evident in their consistently positive feedback and proactive approach. Approximately 90% of reviewers highlight their technical expertise and professionalism, with many noting their capacity to integrate third-party services effectively.
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$25,000+$25 - $49 / hr10 - 49Twinsburg, OH
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See all 4 projectsFiduciaSoft, LLC is a software development company specializing in custom solutions, including mobile applications, e-commerce platforms, and ERP system integrations. The reviews indicate high satisfaction with their technical expertise and project management capabilities, with over 90% of feedback highlighting their commitment to quality and successful project outcomes. However, some reviews suggest potential improvements in administrative processes due to their smaller company size.
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$5,000+< $25 / hr10 - 49Newark, DE
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See all 11 projectsEkkel AI is a versatile technology solutions provider specializing in AI development, web and mobile app development, and blockchain technology. The reviews reveal a high level of satisfaction, with over 90% of reviewers praising their dedication, innovative solutions, and ability to meet timelines. Clients consistently commend Ekkel AI for their seamless project management and round-the-clock communication, while also noting their impressive technical expertise and value for cost.
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$50,000+$50 - $99 / hr50 - 249Dublin, Ireland
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See all 2 projectsBoatyardX is a technology company specializing in developing web-based products and application solutions that integrate with third-party systems. The company is praised for its technical excellence, responsive project management, and strong team engagement, with 100% of reviewers noting their impressive talent and supportive management.
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$10,000+Undisclosed50 - 249
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See all 6 projectsAstec is a software development company specializing in IT system support, application development, and mobile consulting. Across the reviews, 100% of clients praised their technical expertise, project management skills, and flexibility. Clients highlighted their high-quality code, effective communication, and ability to integrate seamlessly into existing teams, with multiple reviews emphasizing their responsiveness and proactive approach to problem-solving.
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$5,000+$25 - $49 / hr10 - 49Kelowna, Canada
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See all 6 projectsStreamline Healthcare is a versatile company offering business consulting and custom software development services. Across their reviews, 80% of clients highlight their strong project management and communication skills, while 60% commend their cost-effective solutions and deep domain expertise. Streamline's ability to cater to international clients in diverse sectors underscores their adaptability and commitment to client success.
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$10,000+$100 - $149 / hr10 - 49Dublin, Ireland
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See all 4 projectsTapadoo is a mobile app development company known for its exceptional technical expertise and commitment to client satisfaction. Across numerous reviews, 100% of clients praise Tapadoo for their strong project management skills, timely delivery, and ability to align with business objectives. Reviewers frequently highlight Tapadoo’s seamless integration with client teams and its proactive approach to understanding and exceeding client expectations, making them a reliable long-term partner.
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$10,000+$50 - $99 / hr50 - 249Wrocław, Poland
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See all 20 projectsVM.PL Software House is a software modernization company specializing in Enterprise Application Modernization, particularly with technologies like Flutter and Kotlin Spring Boot. Overall feedback is positive, highlighting their smart and responsive team with effective project management. However, some reviews noted delays in exporting applications to iOS, suggesting room for improvement in this area.
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$10,000+$50 - $99 / hr10 - 49Zagreb, Croatia
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See all 4 projectsCodebooq is a comprehensive software development company that offers services across web, mobile, embedded, and infrastructure development. They have received overwhelmingly positive reviews, with clients praising their strong technical expertise, adaptability, and proactive approach. Around 90% of reviewers highlight Codebooq's great culture fit and commitment to meeting project needs efficiently, though there are minor suggestions for improvement in communication and timeline definitions.
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$10,000+$150 - $199 / hr10 - 49Minneapolis, MN
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See all 16 projectsCompoze Labs is a versatile software development company specializing in UI/UX design, cloud architecture, and full-service software solutions. Reviews highlight their strong project management skills, adaptability, and expertise in a variety of technical domains. Approximately 80% of reviewers praised their communication and collaboration, while 70% mentioned their ability to deliver projects on time and within budget. Compoze Labs is consistently recognized as a true partner in development efforts.
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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.