Top Application Modernization Services
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$10,000+$50 - $99 / hr10 - 49
Services provided
See all 3 projectsWeb Bespokers is a versatile development company specializing in custom software solutions, API integrations, and platform enhancements. Across three detailed reviews, the company received 100% positive feedback, highlighting their engineering expertise and effective project management. Clients praised their speed, flexibility, and communication, although timezone differences were noted as a minor challenge. Overall, Web Bespokers is valued for driving technological advancements and meeting complex project demands.
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$1,000+< $25 / hr2 - 9Ahmedabad, India
Services provided
See all 10 projectsGoCinico is a web development and digital solutions company, known for delivering high-quality website redesigns, custom CRM systems, and logo designs. Their reviews highlight a strong work ethic, timely project delivery, and excellent communication, with 100% of respondents commending their professional approach. Clients praise their team for aligning company values and producing impressive results, making them a reliable partner for various digital needs.
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$10,000+$50 - $99 / hr10 - 49Timișoara, Romania
Services provided
See all 2 projectsDevPlant is a development company specializing in web and mobile application development, known for their strong project management and effective communication skills. Approximately 100% of reviewers highlight their professionalism and compatibility with company values, with 50% noting their ability to deliver within set timelines. Clients appreciate their technical expertise and the seamless integration into their teams.
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$1,000+Undisclosed50 - 249Beograd, Serbia
Services provided
See all 7 projectsMainstream is a digital transformation company specializing in Enterprise Application Modernization services. They received consistently positive feedback, with clients highlighting their professional project management and timely delivery. Approximately 100% of reviewers noted their impressive handling of IT modernization projects, emphasizing their expertise in platform modernization and software systems updates.
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$1,000+< $25 / hr10 - 49Indore, India
Services provided
See all 1 projectsInfinity Genesis Techso Pvt. Ltd. is a digital services company specializing in web development and digital marketing. Reviewers highlight their excellent technical capabilities, efficient project management, and cost-effectiveness, with 100% of feedback being positive. Clients appreciate their responsiveness to change requests and timely delivery, but suggest expanding their marketing reach.
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$25,000+$50 - $99 / hr10 - 49
Services provided
See all 5 projectsDEMY Software Services Ltd is a versatile software development company with expertise in end-to-end project delivery, including architecture design, UI/UX development, and integration with hardware. Across their reviews, 100% of clients commend their high-quality deliverables, timely project management, and the ability to adapt to evolving requirements. They are particularly praised for their strong leadership, technical expertise, and collaborative approach.
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$100,000+$150 - $199 / hr2 - 9
Services provided
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+$25 - $49 / hr50 - 249
Services provided
See all 1 projectsMGS Software is a software development company specializing in 360-degree services, including web and mobile development. The reviews highlight their effective project management, timely deliveries, and strong communication, with 100% positive feedback on their ability to meet client needs. Clients appreciate their dedication and alignment with company values, making them a preferred choice for tech-driven projects.
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$10,000+$100 - $149 / hr50 - 249Golden, CO
Services provided
See all 3 projectsDSR Corporation is a versatile technology company specializing in IoT platforms, cybersecurity, and software development, including web and mobile solutions. They are commended for their expertise, innovation, and ability to deliver high-quality, well-structured software on time, with 100% of reviewers highlighting their technical proficiency and attentive project management. Areas for improvement include enhancing communication fluidity and reducing planning bureaucracy.
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$10,000+$200 - $300 / hr10 - 49Greenwood Village, CO
Services provided
See all 1 projectsQuandary Consulting Group is a consulting firm specializing in creating customized Quickbase CRM solutions to enhance operational efficiency. All reviewers reported positive outcomes, particularly highlighting faster production and increased efficiency. The firm was praised for their timely delivery and attention to detail, with no areas identified for improvement, indicating a high client satisfaction rate.
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$1,000+$25 - $49 / hr10 - 49Chennai, India
Services provided
See all 3 projectsHueint Pvt Ltd is a dynamic application software development company specializing in mobile app and UX design, offering robust design and development services across various industries. Client feedback indicates 100% positive experiences, highlighting strong customer focus, professional integration, and impressive engineering efficiency. Some suggestions for improvement include expanding technical expertise and increasing staffing.
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$1,000+$150 - $199 / hrFreelancerSan Mateo, CA
Services provided
See all 1 projectsGCX Solutions is a digital strategy and user experience agency known for its expertise in user testing and digital product design. The feedback is overwhelmingly positive, with reviewers highlighting the company's strategic insights, effective communication, and collaborative nature. Clients particularly commend the founder's knowledge and the team's ability to provide meaningful improvements, with no significant areas for improvement mentioned.
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$5,000+$100 - $149 / hr2 - 9
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See all 5 projectsSEOParity is a versatile web development and consultancy firm specializing in SEO, platform architecture, and technical audits. They consistently receive positive feedback, highlighted by their professional communication and timely project delivery. Approximately 100% of reviewers commend their reliability and effective project management, with no suggestions for improvement. This demonstrates their strong reputation and client satisfaction.
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$5,000+$25 - $49 / hr2 - 9Kingston, Jamaica
Services provided
See all 1 projectsDCI Solutions is a software development company specializing in creating scalable, web-based applications for financial services. Review feedback indicates a strong emphasis on responsiveness and understanding of business needs, with 100% positive comments on their project management and communication. However, 100% of reviewers noted a need for improved documentation timeliness.
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$10,000+$25 - $49 / hr10 - 49
Services provided
See all 10 projectsF22 Labs is a versatile software development company specializing in mobile and web application development. The company is highly praised for its professionalism, flexibility, and innovative problem-solving, as evidenced by consistently positive feedback across all reviews. Clients frequently commend their ability to meet tight deadlines and adapt to changing requirements, with approximately 80% noting their impressive project management and responsiveness.
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$5,000+$100 - $149 / hr2 - 9Toronto, Canada
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See all 2 projectsUp at Five is a web development company specializing in creating customized Shopify themes and website redesigns. They have received consistently positive feedback, with clients praising their intuitive understanding, effective communication, and ability to deliver projects on time and on budget. Two reviews highlight their tailored solutions and the seamless collaboration experienced with their team, contributing to measurable improvements in sales and user experience.
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$10,000+$25 - $49 / hr10 - 49Madrid, Spain
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See all 3 projectsredradix is a web development company with a strong focus on front-end development and usability. They have received overwhelmingly positive feedback, with clients praising their ability to deliver high-quality projects on time and their expertise in usability and presentation. Around 100% of reviewers highlight their project management capabilities and effective communication, though some suggest improvements in initial project assessments and onsite presence.
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$25,000+$25 - $49 / hr50 - 249Chennai, India
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See all 7 projects10decoders is a versatile IT services company specializing in software development, IT consulting, and staff augmentation. Reviews indicate a 100% positive overall experience, with clients praising their project management and technical expertise. Approximately 80% of reviewers commend their commitment to deadlines, while some suggest improving employee retention and engagement management. Their adeptness across a wide range of technologies and ability to exceed expectations are consistently highlighted.
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$1,000+< $25 / hr10 - 49Indore, India
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See all 3 projectsWangoes Technologies Pvt Ltd is a dynamic technology company specializing in mobile app development and ERP integration. They have received overwhelmingly positive feedback, with 100% of reviewers praising their timely delivery and high-quality work. Clients frequently commend their support and perseverance, contributing to significant sales growth and a 300% income growth rate per month.
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$100,000+$150 - $199 / hr2 - 9Sacramento, CA
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See all 2 projectsPragmint is a software development consultancy known for its expertise in augmenting development teams and providing practical, tailor-made solutions. The company receives overwhelmingly positive feedback, with clients praising their professionalism, timely communication, and ability to enhance productivity without requiring extensive supervision. Approximately 100% of reviewers highlight Pragmint's effective project management and strategic recommendations, which lead to significant improvements in team performance.
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$25,000+$50 - $99 / hr2 - 9Kigali, Rwanda
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See all 3 projectsOne World Coders is a software development firm excelling in custom solutions, including full-stack development and software coaching. Clients consistently highlight their exceptional communication, collaborative approach, and ability to drive project success, with 100% positive feedback. Their efficient project management and swift delivery are notable, with one project achieving a full website build in just three days.
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$10,000+$25 - $49 / hr50 - 249Surat, India
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See all 2 projectsMegaMinds Technologies Pvt. Ltd. is a technology solutions provider specializing in enhancing digital infrastructure and developing user-friendly web applications for e-commerce. Overall, 100% of reviews highlight their expertise, innovative approach, and client-centric service, with an emphasis on delivering cost-effective solutions and exceeding client expectations. Despite minor suggestions for improvement, clients consistently commend their technical skills and effective project management.
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$100,000+$100 - $149 / hr50 - 249Québec, Canada
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See all 5 projectsVooban is a versatile software development company with expertise in web-based solutions and IT development, primarily utilizing Microsoft technologies like .NET and Azure. Their services are highly regarded, with 100% of reviewers praising their project management and technical proficiency. Clients highlight Vooban's ability to deliver high-quality, timely results, often exceeding expectations and maintaining budgetary constraints.
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$10,000+$25 - $49 / hr50 - 249Fremont, CA
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See all 4 projectsAgile Soft Systems, Inc is a software development company offering cloud platform upgrades and CRM improvements. Reviews highlight their expertise, affordability, and responsive project management. Approximately 90% of feedback is positive, with 70% of clients impressed by their ability to address unforeseen issues. Areas for improvement include initial stakeholder involvement and QA testing.
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$1,000+$100 - $149 / hr10 - 49Jaipur, India
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See all 1 projectsKP Think Private Limited is a digital solutions company specializing in website development and social media growth. According to reviews, 100% of clients noted impressive work ethics and communication. They successfully enhanced clients' online presence through improved SEO rankings and social media engagement, with no areas for improvement identified.
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$1,000+$50 - $99 / hr10 - 49New York, NY
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See all 4 projectsDraxon Systems is a web design company known for delivering high-quality, efficient design solutions with a strong focus on user accessibility. Client reviews highlight their rapid project completion, effective communication, and understanding of customer needs. With 100% positive feedback, clients consistently praise their professionalism and dedication to meeting project requirements.
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$10,000+$25 - $49 / hr10 - 49Dhaka, Bangladesh
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See all 1 projectsKirrhosoft was founded by Farhan Sajjad, a veteran software engineer with decades of experience architecting systems for international markets. He noticed a recurring industry-wide challenge: the
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$5,000+$50 - $99 / hr10 - 49Regensburg, Germany
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See all 5 projectsint2code GmbH is an innovative software development company that specializes in embedded software solutions with a strong focus on the automotive and engineering sectors. Across the reviews, 100% of clients highlight the exceptional technical expertise and the proficiency of its engineers. The company is praised for its effective communication and integration within client teams, with no significant complaints or areas for improvement mentioned.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
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See all 2 projectsDevOrbis is a development company specializing in mobile and web application solutions. According to client feedback, 100% of reviewers highlight their strong communication skills, proactive approach, and exceptional project delivery. Clients commend DevOrbis for their ability to anticipate needs and deliver successful outcomes, such as achieving thousands of app downloads shortly after launch.
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$1,000+$25 - $49 / hr10 - 49
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See all 1 projectsSoftPort is an outsourcing and custom software development company specializing in solutions such as customized software, websites, mobile applications, and graphic design. The company has consistently met expectations over five years, with 100% positive feedback highlighting their rigorous process-driven management style, led by UK professionals, and strong technical capabilities. Some clients noted a slight resistance to changing developers mid-project.
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List of the Top 15 Legacy Modernization Services
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$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 - 9,999Kraków, Poland
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
38.1/40.019/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
25% Enterprise App Modernization75% 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 -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35/40.017/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
45% Enterprise App Modernization55% 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 -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
37.3/40.017.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$25 - $49 / 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 -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
38.7/40.019.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
32.7/40.018/20 Reviews9.8/10 Clients & Experience4.8/10 Market PresenceService focus
60% Enterprise App Modernization40% 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
15% Enterprise App Modernization85% 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 -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
37.6/40.017.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
11% Enterprise App Modernization89% Other -
$50,000+$150 - $199 / hr50 - 249Montréal, Canada
Ability to deliver
37.5/40.017.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
35.3/40.016.8/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$25 - $49 / hr50 - 249Warszawa, Poland
Ability to deliver
38.3/40.019.2/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
33.3/40.016/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
36.7/40.016.8/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$25,000+$50 - $99 / hr50 - 249Prague, Czech Republic
Ability to deliver
39.2/40.020/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$25 - $49 / hr50 - 249Portland, OR
Ability to deliver
35.1/40.016.8/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$100 - $149 / hr50 - 249Belfast, Northern Ireland
Ability to deliver
37/40.017.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr250 - 999Unterschleißheim, Germany
Ability to deliver
34.9/40.017.8/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$75,000+$50 - $99 / hr50 - 249Marlborough, MA
Ability to deliver
38.9/40.020/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr250 - 999Palo Alto, CA
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$25 - $49 / hr10 - 49Ahmedabad, India
Ability to deliver
37.4/40.018.4/20 Reviews9.6/10 Clients & Experience9.5/10 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.