Top Application Modernization Services
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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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$5,000+< $25 / hr250 - 999Milpitas, CA
Services provided
See all 1 projectsChirpn IT Solutions is a technology company specializing in UI/UX design and platform development, particularly for sports-related applications. Their reviews reflect a 100% satisfaction rate, highlighting exceptional project management, timely delivery, and effective communication. Clients commend Chirpn IT Solutions for their balance between onshore and offshore resources, which aligns with budgetary and deliverable needs.
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$1,000+Undisclosed10 - 49Kyiv, Ukraine
Services provided
See all 6 projectsDuanex is a digital development company specializing in modernizing platforms and engineering software products. The company consistently receives positive feedback for its adaptive and proactive approach, efficient project management, and quality deliverables—demonstrated by 100% of reviewers noting timely delivery and responsiveness. Reviewers highly commend Duanex's ability to align with client values and deliver projects on budget.
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$1,000+$25 - $49 / hr10 - 49
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See all 2 projectsEonovate is a web development company specializing in end-to-end solutions, including backend design, UI development, and creative design work. The feedback for Eonovate is overwhelmingly positive, with 100% satisfaction from clients who commend their timely delivery, responsiveness, and the significant improvement to website performance, such as an 18% reduction in load times.
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$1,000+Undisclosed50 - 249Beograd, Serbia
Services provided
See all 7 projectsMainstream is a professional enterprise application modernization company, specializing in services such as Kubernetes infrastructure review. Reviews indicate a strong emphasis on timely project management and responsiveness to client requirements, with a 100% positive feedback rate regarding their professionalism and ability to meet client needs.
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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 specializing in end-to-end solutions, including UI/UX design, software architecture, and complex algorithm development. Reviews indicate a high level of client satisfaction, with approximately 90% of reviewers highlighting the company's strong project management and responsiveness. Clients commend their flexibility, timely delivery, and effective integration with existing systems, with no significant areas for improvement mentioned.
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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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$75,000+$150 - $199 / hr50 - 249Vancouver, Canada
Services provided
See all 2 projectsPurely CRM via Endeavour Solutions is a technology consultancy specializing in Microsoft Dynamics CRM implementations and migrations. Their services are highly regarded, with 100% of reviewers praising their project management, timely communication, and effective collaboration. Clients highlight Purely CRM's ability to deliver projects on time and under budget, with specific commendations for their low-friction relationships and high-quality guidelines.
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$10,000+$100 - $149 / hr50 - 249Golden, CO
Services provided
See all 3 projectsDSR Corporation is a software development company specializing in IoT platforms, cybersecurity, and custom software solutions, including web and mobile app development. Reviewers consistently praise their ability to deliver high-quality, innovative solutions and their proficient project management. While 100% of reviewers commend their technical expertise, some suggest enhancements in communication fluidity and planning efficiency.
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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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$1,000+$25 - $49 / hr2 - 9Besa Pipla, India
Services provided
See all 2 projectsViprush Technologies is a technology solutions provider specializing in software development and IoT projects, including RFID-based tracking systems. Client feedback highlights their timely delivery and effective project management, with 100% of reviews noting their strong listening skills and innovative solutions. A minor area for improvement is their social media presence.
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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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$5,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
Services provided
See all 4 projectsQualiSage is a digital development and SEO company specializing in creating and enhancing web platforms and applications, with a focus on user experience and efficiency. The company received overwhelmingly positive feedback, with 100% of reviewers praising their responsiveness, communication, and ability to deliver high-quality work on time. Their technical expertise and customer-centric approach were consistently highlighted as impressive and unique.
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$10,000+$25 - $49 / hr10 - 49
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See all 10 projectsF22 Labs is a versatile development company specializing in mobile app and web development, backend system integration, and digital solutions. Across numerous reviews, F22 Labs is praised for its professionalism, innovative problem-solving, and resourcefulness. Approximately 90% of clients highlight their ability to deliver complex projects within tight deadlines and appreciate their willingness to go beyond contractual obligations, with many noting their out-of-the-box approach and adaptability to client needs.
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$5,000+$100 - $149 / hr2 - 9Toronto, Canada
Services provided
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 specializing in frontend services with a focus on usability and presentation. Overall, the feedback is highly positive, with clients praising their project management and timely delivery. Approximately 100% of reviewers highlight their expertise in frontend development and effective communication, while some note a preference for in-office collaboration.
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$25,000+$25 - $49 / hr50 - 249Chennai, India
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See all 7 projects10decoders is a versatile IT consulting and development company specializing in software development, cloud services, and staff augmentation across various technologies. The reviews reveal a high level of satisfaction, with over 80% of clients praising their professionalism, technical expertise, and commitment to deadlines. Some feedback suggests improvement in employee turnover and communication could enhance their services further. Overall, 10decoders is positively regarded for exceeding expectations and delivering quality results.
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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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$10,000+$100 - $149 / hr10 - 49Moratuwa, Sri Lanka
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See all 1 projectsLinking Integrating is a web development and design company excelling in creating professional websites with integrated software solutions. Their commitment to understanding clients' core values and iterative feedback-based approach has resulted in positive feedback, with 100% of reviewers appreciating their communication and dedication to delivering tailored outcomes.
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$100,000+$150 - $199 / hr2 - 9Sacramento, CA
Services provided
See all 2 projectsPragmint is a software development consultancy specializing in engineering coaching, process consultancy, and product development. Their clients consistently praise their timely communication, professionalism, and ability to deliver practical, bespoke solutions. With 100% positive feedback, Pragmint is recognized for their proficiency and capacity to uplift teams' productivity without requiring extensive supervision.
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$5,000+< $25 / hr50 - 249
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See all 11 projectsSunfocus Solutions Pvt. Ltd. is a software development company specializing in mobile app and web development, known for its technical expertise in iOS and Android platforms. They receive consistently high praise for their project management skills, timely delivery, and customer satisfaction, with 100% of reviewers highlighting their responsiveness and technical competence. Clients appreciate their open communication, proactive problem-solving, and the quality of deliverables, with no significant areas for improvement noted.
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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 company known for its expertise in both frontend and backend development, as well as web design. They have received overwhelmingly positive feedback, with clients praising their exceptional quality, clarity in communication, and impressive project delivery speed. Notably, 100% of reviewers commend their collaborative approach and ability to meet deadlines efficiently.
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$10,000+$25 - $49 / hr50 - 249Surat, India
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See all 2 projectsMegaMinds Technologies Pvt. Ltd. is a web solutions company that specializes in enhancing digital infrastructure and developing e-commerce applications. Reviews indicate a 100% satisfaction rate, highlighting their innovative approach, technical expertise, and client-centric ethos. Clients commend their project management, timely delivery, and ability to exceed expectations without significant areas for improvement noted.
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$5,000+< $25 / hr50 - 249Ahmedabad, India
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See all 2 projectsCypherox Technologies Pvt. Ltd. is a web development and digital solutions company specializing in creating websites with advanced features such as AI capabilities and SEO. The company receives consistently high praise, with 100% positive feedback from clients highlighting their exceptional project management, timely delivery, effective communication, and alignment with client values and culture.
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$100,000+$100 - $149 / hr50 - 249Québec, Canada
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See all 5 projectsVooban is a software development company with significant expertise in web development and IT solutions, providing tailored services across various industries, including gaming, fintech, insurance, and defense. With a high level of satisfaction evident in their reviews, Vooban consistently delivers projects on time and within budget, as evidenced by a 100% positive feedback rate and commendations for their deep technical knowledge and project management skills.
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$25,000+$50 - $99 / hr50 - 249Warszawa, Poland
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See all 5 projectsTYMIQ is a software development company recognized for its expertise in IoT, system migrations, and custom software development. The company receives overwhelmingly positive feedback, with approximately 90% of reviewers praising its technical proficiency, timely project delivery, and effective communication. Notably, 60% of reviewers highlight TYMIQ’s flexibility and alignment with project goals, although some suggest room for enhancement in communication.
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$10,000+$50 - $99 / hr10 - 49Timișoara, Romania
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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+$50 - $99 / hr10 - 49New York, NY
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See all 4 projectsDraxon Systems is a web design company offering comprehensive website design and development services. Feedback from reviewers highlights their efficient project management, user-friendly designs, and professional communication. Clients consistently express satisfaction, with approximately 100% of reviews noting their impressive speed and quality of work, making them a preferred choice for future projects.
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$10,000+$25 - $49 / hr10 - 49
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See all 4 projectsDuskbyte is a software development company specializing in creating custom software solutions, including SaaS platforms, website development, and technical integrations. Approximately 100% of reviews highlight their excellent communication, project management, and ability to deliver high-quality work on time, with 75% noting their great culture fit and value for cost.
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List of the Top 15 Legacy Modernization Services
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$25,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
39.3/40.019.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
39.1/40.020/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$5,000+< $25 / hr1,000 - 9,999
Ability to deliver
35.9/40.016.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
35.4/40.015.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Southborough, MA
Ability to deliver
37.2/40.017.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr250 - 999Sacramento, CA
Ability to deliver
34.2/40.016.4/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
80% Enterprise App Modernization20% Other -
$25,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
34/40.015.2/20 Reviews8.8/10 Clients & Experience10/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$25,000+$25 - $49 / hr50 - 249Agoura Hills, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
33.8/40.018.2/20 Reviews9.8/10 Clients & Experience5.7/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$5,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
37.2/40.017.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249București, Romania
Ability to deliver
35.9/40.020/20 Reviews10/10 Clients & Experience5.9/10 Market PresenceService focus
35% Enterprise App Modernization65% Other -
$10,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
38.7/40.019/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
36.6/40.016.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
Undisclosed$150 - $199 / hr250 - 999London, England
Ability to deliver
36.4/40.017.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.3/40.018.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
32.2/40.015.8/20 Reviews10/10 Clients & Experience6.4/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
36/40.016.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr250 - 999Kropyvnytskyi, Ukraine
Ability to deliver
38.9/40.019.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
35.8/40.016.4/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$100 - $149 / hr10 - 49Costa Mesa, CA
Ability to deliver
36.8/40.018/20 Reviews10/10 Clients & Experience8.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
Undisclosed$25 - $49 / hr250 - 999Toronto, Canada
Ability to deliver
37.1/40.017.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
39.6/40.019.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr50 - 249Houston, TX
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35.6/40.017.6/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
Undisclosed$25 - $49 / hr250 - 999Beijing, China
Ability to deliver
36.8/40.020/20 Reviews7.2/10 Clients & Experience9.6/10 Market PresenceService focus
15% Enterprise App Modernization85% Other
Top App Modernization Agencies
App modernization companies upgrade, refactor, or re-platform legacy software so it performs like a modern, cloud-ready application. They begin by auditing the existing codebase, infrastructure, and business requirements, then create a roadmap that might include re-architecting monolithic apps into microservices, containerizing workloads, or migrating databases to scalable cloud environments. Their end goal is to improve performance, security, and maintainability while minimizing downtime.
Most firms deliver a mix of strategic and technical services, such as:
- Legacy code assessment and technical debt analysis
- Re-platforming (e.g., on-prem to AWS, Azure, or GCP)
- Code refactoring and re-architecting into microservices
- API enablement and containerization (Docker, Kubernetes)
- UI/UX refresh and mobile optimization
- Data migration, cleansing, and database modernization
- Ongoing maintenance, DevOps, and cloud cost optimization
Pricing varies widely depending on project scope, complexity, and the tech stack involved. Clutch data shows most engagements range from $50,000 to $500,000 overall, with hourly rates between $75 and $200. Lighter projects like a UI facelift or limited refactoring tend to fall near the lower end, while full re-architectures involving cloud migration, data overhaul, and strict compliance can exceed $1 million. Always request a detailed proposal that outlines costs for discovery, development, testing, and support.
When choosing the best right app modernization for your business, consider these:
- Review expertise: Look for case studies that mirror your tech stack (Java, .NET, PHP) and industry compliance needs.
- Check client feedback: Verified Clutch reviews reveal how the team communicates, hits deadlines, and handles setbacks.
- Evaluate methodology: A strong partner will propose a phased approach that includes assessment, pilot, and rollout stages, each with clear success metrics.
- Validate certifications: Cloud partnerships (AWS, Microsoft, Google) signal deep platform knowledge.
- Assess cultural fit: Long projects require easy communication, mutual trust, and shared time zones or overlap.
These are some of the red flags that you should watch for when hiring an app modernization company:
- Guaranteed timelines before an audit: Accurate estimates require a code and infrastructure review.
- Lack of documentation: If they won’t commit to architecture diagrams, test plans, or knowledge transfer, future maintenance may suffer.
- One-size-fits-all solutions: Forcing every project onto a single cloud or framework can indicate limited expertise.
- Poor security practices: Outdated OWASP knowledge or no DevSecOps pipeline is a deal-breaker for critical systems.
- Minimal client references: A reputable firm should readily provide recent, relevant references.
Here are some questions you can ask app modernization companies before hiring them:
- Which modernization strategies (rehost, refactor, re-architect) do you recommend for our stack, and why?
- Can you share success metrics from similar projects—e.g., performance gains or cost reductions?
- What is your approach to minimizing downtime during migration?
- How will you ensure code quality and security (tooling, peer reviews, automated testing)?
- What support and knowledge-transfer do you provide after launch?
- How do you handle scope changes and unforeseen legacy issues?
Partnering with specialists accelerates time-to-value. Experienced teams bring proven frameworks, automation toolchains, and cloud partnerships that help reduce risk and shorten migration windows. Businesses often benefit from faster performance, lower maintenance costs, improved security compliance, and easier feature releases, all without overburdening internal teams.
A freelancer may handle small refactoring tasks cost-effectively but often lacks the resources for large-scale audits, DevOps, and 24/7 support. Agencies provide multidisciplinary teams including architects, developers, QA specialists, DevOps engineers, and project managers who can deliver end-to-end transformations with enterprise-grade SLAs.