Top Application Modernization Services
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$10,000+$50 - $99 / hr10 - 49Raleigh, NC
Services provided
See all 3 projectsGehtsoft USA is a software development company specializing in creating and integrating complex financial and trading platforms. The company receives predominantly positive feedback, with clients praising their technical acumen, seamless project management, and cultural alignment. Approximately 80% of reviews highlight their ability to deliver innovative and scalable solutions, while 90% commend their outstanding customer support and project execution.
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Undisclosed< $25 / hr250 - 999
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See all 6 projectsZaptech Solutions is a versatile software development company offering services in mobile app and web development, e-commerce integration, and IoT solutions. The company has received predominantly positive feedback, with approximately 95% of reviewers praising their adaptability and project management capabilities. Clients commend their responsiveness and ability to handle complex projects across various platforms, although some note minor communication improvements could enhance collaboration.
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$10,000+$100 - $149 / hr10 - 49Leeds, England
Services provided
See all 6 projectsNewRedo Ltd. is a bespoke software development company known for its expertise in creating custom solutions, such as web portals and backend APIs, tailored to specific client needs. The company consistently receives positive feedback, with reviewers highlighting their flexibility, effective project management, and user-focused approach. Approximately 100% of reviewers appreciated their problem-solving skills and reliability, fostering long-term client relationships.
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$1,000+$100 - $149 / hr10 - 49Austin, TX
Services provided
See all 4 projectsProsigliere, Inc. is a recruitment and technology consulting firm specializing in end-to-end talent sourcing and IT system assessments. With a remarkable 100% positive feedback from clients, Prosigliere is praised for identifying high-quality talent and enhancing technical capabilities while maintaining cultural alignment and efficient project management. Their ability to integrate seamlessly with client teams and deliver tailored solutions is frequently highlighted by reviewers.
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$5,000+< $25 / hr10 - 49Udaipur, India
Services provided
See all 1 projectsTechon Dater Systems Pvt Ltd is a technology solutions provider specializing in web and desktop application development, particularly for order and production management. The company has received positive feedback for their project management and ability to automate complex processes, with a 100% satisfaction rate among reviewers noting their responsible and knowledgeable team.
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$25,000+$150 - $199 / hr10 - 49Crowborough, England
Services provided
See all 1 projectsElysium Ltd is a product development and technology solutions company that excels in comprehensive design, development, and support services. They are highly praised for their precise project management and true partnership approach, with 100% of reviewers highlighting their problem-solving capabilities and seamless integration with internal teams. While mainly UK-based, their localized focus is appreciated despite suggestions for global expansion.
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$1,000+$25 - $49 / hr2 - 9Kraków, Poland
Services provided
See all 1 projectsBusy Beaver Software is a web development company specializing in creating user-friendly websites and enhancing online presence through SEO and social media strategies. Reviewers consistently praised their ability to translate client needs into effective web solutions, with 100% noting increased business visibility and customer acquisition. While variety in website offerings could improve, their technical expertise and reliable project management were highly valued.
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$1,000+$100 - $149 / hr10 - 49Jaipur, India
Services provided
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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$5,000+< $25 / hr10 - 49Dubai, United Arab Emirates
Services provided
See all 2 projectsServiots Technology Pvt. Ltd. is a web development company known for designing and hosting websites while providing SEO services. With 100% of reviews highlighting their dedication and impressive project management, clients appreciate their commitment to timely delivery and quality. All reviews express satisfaction, with no areas for improvement mentioned.
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$10,000+< $25 / hr250 - 999
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See all 24 projectsInfoicon Technologies Pvt Ltd is a web development and SEO company offering services such as website design, SEO, and online store creation. Reviews indicate a mixed record with a 75% positive feedback rate. Some clients praised their project management and willingness to help, while others noted issues with project completion and communication. Several reviewers (about 30%) mentioned their competitive pricing as a positive aspect.
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UndisclosedUndisclosed10 - 49
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See all 3 projectsPVA, Inc. is a specialized IT consultancy known for its expertise in OpenText Livelink technology, offering software customization, upgrades, and user support. Reviews consistently highlight their technical proficiency and responsive 24-hour support, with 100% of clients expressing satisfaction with their professionalism and successful project outcomes. PVA, Inc. is lauded for its minimal bureaucracy and ability to deliver on promises, despite occasional availability challenges.
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$5,000+$25 - $49 / hr10 - 49
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See all 1 projectsSaadhvi Technology is a custom IT software development company, praised for delivering a stable applicant tracking system. Their well-structured and dedicated team, featuring highly skilled developers, ensures effective and timely project management. Feedback indicates 100% satisfaction, with no areas for improvement mentioned by reviewers.
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UndisclosedUndisclosed10 - 49London, England
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See all 2 projectsWestPoint is a versatile development company specializing in building and enhancing digital platforms and mobile applications. With a focus on technical skill and product thinking, they have received positive feedback for their fast performance, reliability, and effective project management. Over 90% of reviewers commend their technical capabilities and organizational skills, though some suggest slightly faster task completion on complex projects.
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$10,000+$25 - $49 / hr250 - 999Edison, NJ
Services provided
See all 3 projectsXDuce is an IT solutions company specializing in database services, staff augmentation, web development, and UI design, with a strong emphasis on cloud-based development and app modernization. Their clients commend their expertise, reliability, and dedication, with 100% of reviewers highlighting their impressive communication and project management skills. XDuce is recognized for delivering high-quality services, meeting timelines, and providing flexible solutions tailored to client needs.
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$10,000+$25 - $49 / hr10 - 49
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See all 5 projectsLaser Focused Solutions is a versatile software development company offering services in software engineering, cybersecurity, and e-commerce platform development. Across their reviews, they receive overwhelmingly positive feedback, with clients consistently praising their high-quality work, professionalism, and responsiveness. Approximately 95% of reviewers highlight their exceptional project management and customer satisfaction, emphasizing their ability to handle complex projects and deliver results efficiently.
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$25,000+$25 - $49 / hr10 - 49Madrid, Spain
Services provided
See all 2 projectsSerfCompany LLC | UKRAINE OUTSOURCING | IT Development is an IT development firm specializing in web application and software platform development using technologies like PHP, JavaScript, and MySQL. Overall, client feedback is positive, with 100% satisfaction regarding their availability, competence, and cost-effectiveness, though some clients noted challenges with English proficiency and emphasized the importance of strong language skills.
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$1,000+$25 - $49 / hr2 - 9Noida, India
Services provided
See all 2 projectsNirvaat Internet Private Limited specializes in Enterprise App Modernization, focusing on web-based analytics and process optimizations. Reviews highlight their exceptional attention to detail, professionalism, and effective project management. Clients commend their ability to meet timelines and maintain strong communication, ensuring successful software modernization outcomes.
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$5,000+$50 - $99 / hr10 - 49Leeds, England
Services provided
See all 12 projectsDecodifi Limited is a versatile app development company specializing in creating MVPs, e-commerce platforms, and custom web solutions using technologies like Bubble and Stripe integration. Across their reviews, approximately 85% of clients praise their responsiveness, technical expertise, and value alignment. Some reviews suggest areas for improvement in timeline management and quality control, accounting for about 15% of feedback.
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$5,000+$50 - $99 / hr50 - 249Manchester, England
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See all 12 projectsHashbyt - AI-First Leading Frontend & UI/UX SaaS Partner specializes in UI/UX design and frontend development, often praised for its budget-friendly pricing and cultural fit. The company consistently delivers successful projects, with 100% of reviewers highlighting their expertise and responsiveness. Their scope includes complex healthcare and compliance systems, demonstrating proficiency in both design and technical development.
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$50,000+$50 - $99 / hr10 - 49Granadilla, Costa Rica
Services provided
See all 2 projectsCreek Software is a custom software development firm that excels in creating tailored digital solutions for various industries, including digital vehicle retail and healthcare. The company receives overwhelmingly positive feedback, with clients praising their high-quality, maintainable code and strong commitment to project success. Notably, 100% of reviewers commend their proactive communication and exemplary customer service.
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$25,000+$50 - $99 / hr1,000 - 9,999Massapequa, NY
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See all 1 projectsBRQ Digital Solutions offers comprehensive development and integration services, including CRM solutions and ERP system implementations. Reviews highlight their deep understanding of client needs, adaptability, timely delivery, and exceptional Salesforce expertise. Clients consistently praise their professionalism, responsiveness, and alignment with company values, ensuring successful project outcomes.
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$25,000+Undisclosed10 - 49London, England
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See all 4 projectsTeksati [Husssl Ltd] is a mobile app development company known for aligning well with client values and culture. Their reviews highlight responsiveness and transparency, with 100% of reviewers praising their engagement and prototype design process. However, there is a suggestion for improved communication during development stages.
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$50,000+$200 - $300 / hr10 - 49
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See all 6 projectsExtendApps is a company specializing in Enterprise Application Modernization, offering technical consulting and guidance. Client feedback is overwhelmingly positive, with 100% satisfaction regarding their expertise in navigating the NetSuite ecosystem and timely project delivery. Their services effectively support digital transformation efforts, particularly in legacy system modernization and platform updates.
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$50,000+$25 - $49 / hr250 - 999Durham, NC
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See all 7 projectsMantra Labs is a versatile technology solutions provider that specializes in AI, UX design, and software development. The overall feedback from clients highlights their dedication, innovative thinking, and efficient delivery, with approximately 83% of reviews emphasizing their proactive project management and adaptability. However, around 17% mention areas for improvement, particularly in communication and requirement understanding.
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UndisclosedUndisclosed50 - 249Edmonton, Canada
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See all 1 projectsSheetcast is a company specializing in converting Excel-based workflows into web applications, enhancing collaboration and data integrity. According to the reviews, 100% of clients praised their responsive project management and technical depth. A notable 80% mentioned their adaptability and ability to improve client engagement with live data models. The primary suggestion for improvement was expanding their post-launch documentation.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsEvius Industri is a web development company renowned for creating websites with enhanced UI/UX designs. Based on reviews, 100% of clients commend their high-quality service and effective project management. They are highlighted for their agility, competence, and ability to drive increased traffic and leads through their work.
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$50,000+$100 - $149 / hr250 - 999Edison, NJ
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See all 1 projectsFutran Solutions is a comprehensive technology and digital marketing company offering end-to-end development and marketing services. They are praised for their robust project management and ability to deliver projects ahead of deadlines, with 100% of reviewers noting their comprehensive service offerings. While they excel in many areas, clients suggest enhancements in tracking digital marketing metrics.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
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See all 3 projectsSwan Softweb Solutions is a software development company specializing in cloud security, Google App Engine, and application development. Reviews indicate a high level of client satisfaction, with 100% positive feedback highlighting the team's professionalism, expertise, and effective communication. Clients particularly commend the company's dedication to project success and their proficient management of processes and resources.
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$5,000+$50 - $99 / hr10 - 49Kharkiv, Ukraine
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See all 1 projectsJOrange is a web development company specializing in e-commerce solutions, with a strong focus on Shopify development. According to reviews, JOrange has a reputation for creativity and effective problem-solving, with 100% positive feedback highlighting their technical acumen and business insight. Clients appreciate the personalized approach, with many noting the fairness and transparency in their billing practices.
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$5,000+UndisclosedFreelancer
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See all 3 projectsDaniel Amundson is a company specializing in Enterprise Application Modernization, focusing on modernizing legacy systems and software. Reviews highlight their adaptability and commitment, with 100% positive feedback emphasizing their ability to modernize complex codebases and deliver scalable solutions efficiently. Clients appreciate their dedication to meeting deadlines and providing emergency support, with minor suggestions for clearer communication.
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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.