Top Application Modernization Services
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$10,000+$50 - $99 / hr50 - 249Tallinn, Estonia
Services provided
See all 9 projectsIspirer Systems specializes in Enterprise Application Modernization, focusing on database migration, software development, and legacy system recovery. With a consistent 100% positive feedback rate, clients commend their strong technical expertise, prompt communication, and reliability. Approximately 67% of reviewers highlight their capability in database conversion and migration, underscoring their proficiency in modernizing enterprise applications.
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Undisclosed$100 - $149 / hr10 - 49
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See all 3 projectsAppworks Technologies is a versatile software development company known for creating robust applications and platforms, including iOS and Android apps, desktop software, and backend infrastructures. Across all reviews, 100% of clients commend their communication skills and project management expertise, highlighting their ability to fully understand and meet complex requirements efficiently. Clients consistently express satisfaction with their progress and organizational skills, showing no areas for improvement.
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$50,000+$100 - $149 / hr10 - 49Orlando, FL
Services provided
See all 3 projectsEcho Interaction Group is a mobile app development company recognized for their expertise in creating tailored apps for diverse industries. Their reviews indicate a high level of client satisfaction, with 100% positive feedback highlighting their effective project management and customer-centric approach. Clients commend Echo for their strategic partnership and commitment to quality, though minor improvements in communication of technical terms are noted.
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$10,000+< $25 / hr250 - 999Indore, India
Services provided
See all 6 projectsWebvillee Technology Pvt. Ltd is a versatile IT services company specializing in mobile and web application development. The overall feedback indicates a consistent positive experience, with 100% satisfaction reported in areas such as project management, communication, and the quality of deliverables. Notably, 80% of reviewers commend their prompt responsiveness and professionalism, while 60% emphasize their ability to provide valuable technical solutions.
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$5,000+$25 - $49 / hr10 - 49porvorim, India
Services provided
See all 2 projectsHelix Tech is a technology company specializing in app development and website design. The overall feedback from their clients is highly positive, with 100% of reviewers praising their technical expertise, project management skills, and responsiveness. Clients appreciate their proactive approach and timely delivery, although some wish for their expansion to more locations.
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$5,000+$50 - $99 / hr2 - 9
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See all 5 projectsTech Makers is a versatile software development company specializing in custom web app development, with a strong focus on Bubble.io and integration with external services. Across reviews, clients appreciated their professionalism, quick problem-solving skills, and strong UX/UI capabilities. With an 80% satisfaction rate and continued collaborations, Tech Makers' clients frequently commend their effective communication and ability to understand and address project needs.
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Undisclosed$150 - $199 / hr2 - 9Seattle, WA
Services provided
See all 8 projectsFreelock LLC is an experienced web development company specializing in Drupal and WordPress solutions, offering services like server management, security, and website maintenance. Feedback is overwhelmingly positive, with 100% of reviewers praising their responsiveness, technical expertise, and ability to explain complex concepts. Clients appreciate their flexibility, transparency, and cost-effective solutions, although some note a need for improvement in graphic design capabilities.
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$50,000+$150 - $199 / hr10 - 49Denver, CO
Services provided
See all 11 projectsDevIQ is a company specializing in Enterprise Application Modernization, providing services such as app modernization, digital transformation, and software platform update services. Overall, 100% of reviewers expressed satisfaction, praising DevIQ for their strong project management, timely delivery, and tailored solutions that enhance system reliability and security. A recurring theme is DevIQ's commitment to understanding clients' unique needs and delivering under budget and on time.
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$10,000+$100 - $149 / hr10 - 49Lalitpur, Nepal
Services provided
See all 3 projectsSynapse Technologies is a versatile technology solutions provider offering web development and software services, particularly adept at AI applications and IT management. Reviews reveal a consistent theme of timely delivery, exceptional client communication, and high customer satisfaction, with no areas for improvement mentioned and positive feedback from 100% of their clients.
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$10,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
Services provided
See all 21 projectsFuturist Labs is a mobile app development company specializing in creating innovative and user-friendly iOS and Android applications. Across multiple reviews, the company is praised for its exceptional communication, flexibility, and technical expertise, particularly in meeting deadlines and delivering high-quality, bug-free products. Approximately 100% of reviewers highlighted their strong project management skills and customer-centric approach. Futurist Labs is noted for seamless integration into client teams and maintaining a collaborative partnership throughout projects.
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$25,000+$50 - $99 / hr50 - 249Nicosia, Cyprus
Services provided
See all 19 projectsAimprosoft is a versatile software development company, known for its expertise in providing scalable IT solutions such as data aggregation platforms, cloud-based applications, and embedded finance APIs. Approximately 90% of reviewers appreciate their high-quality deliverables, timely project management, and effective communication. Customers frequently highlight their impressive ability to quickly onboard qualified developers and the consistency in meeting project goals, even amid challenges like geopolitical instability.
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$10,000+$50 - $99 / hr50 - 249Lelystad, Netherlands
Services provided
See all 2 projectsPROBEGIN is a software development company specializing in creating comprehensive solutions including frontend and backend development, e-commerce platforms, and multilingual systems. The overall feedback from reviews is highly positive, with clients praising their strong project management, innovative solutions, and responsiveness. Approximately 100% of reviewers highlighted PROBEGIN's hands-on approach and their ability to improve and create optimal solutions beyond the initial requirements.
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$10,000+$100 - $149 / hr10 - 49Southend-on-Sea, England
Services provided
See all 6 projectsAtlas - Clever Software is a bespoke software development company known for delivering innovative digital solutions, such as web-based applications, mobile apps, and CRM systems. Across six reviews, 100% highlight their professionalism, partnership approach, and technical expertise. Clients consistently commend their agile project management and effective communication, which has led to successful outcomes and ongoing collaborations.
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$5,000+$25 - $49 / hr10 - 49
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See all 13 projectsHapy Co is a software development company offering customizable solutions for streamlining operations and enhancing digital experiences. Across their reviews, clients commend their transparency, customization capabilities, and project management skills, with 75% noting timely communication despite occasional delays. Positive feedback is consistently highlighted, with clients experiencing a 200% increase in customer engagement and praising their user-friendly and functional applications.
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$5,000+< $25 / hr50 - 249Ahmedabad, India
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See all 24 projectsiMOBDEV Technologies Pvt. Ltd. offers a range of services including App Modernization, digital transformation, and IT modernization. Reviews highlight their commitment to project timelines, effective communication, and the ability to understand and meet client requirements. Their expertise in modernizing enterprise applications has been particularly noted as a strong point.
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$10,000+$25 - $49 / hr50 - 249
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See all 2 projectsOrtem Technologies LLC is a proficient app development company lauded for its exceptional communication, knowledge, and understanding of client requirements. Based on reviews, 100% of clients highlight their promptness in delivery, and no areas for improvement were noted, underscoring their reliability and expertise.
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$50,000+$100 - $149 / hr10 - 49Burnaby, Canada
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See all 1 projectsSEYA Group is a software development and outsourcing company specializing in providing back-end, front-end, QA, and DevOps resources. The company received overwhelmingly positive feedback, with clients praising their ability to reduce project timelines by 50% and eliminate technical debt. Approximately 100% of reviews highlight their high-level professionals, cost-effectiveness, and excellent cultural fit.
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Undisclosed$25 - $49 / hr10 - 49
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See all 6 projectsImpliway is a technology consulting firm specializing in the implementation and customization of Odoo ERP systems. The company receives favorable feedback for its technical expertise, flexibility, and commitment to project timelines, with approximately 83% of reviewers highlighting their excellent communication and customer service. While project management is generally well-received, some suggest minor improvements in planning and milestone reporting.
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$5,000+$50 - $99 / hr10 - 49Gdańsk, Poland
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See all 2 projectsNet PC is a technology company specializing in the development of innovative booking systems and platforms for research and data collection. Reviews highlight their effective project management, strong communication skills, and technological expertise. Approximately 100% of the feedback is positive, with clients praising their ability to reduce costs and streamline processes efficiently.
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$25,000+$50 - $99 / hr50 - 249Den Haag, Netherlands
Services provided
See all 30 projectsAcropolium is a company specializing in Enterprise Application Modernization services, offering software modernization and digital transformation solutions. Reviews highlight their effective integration into existing teams, consistent delivery within project timelines, and significant technical improvements, with 100% of feedback being positive and mentioning the successful modernization of legacy systems. Their collaborative approach and fast response times are particularly praised by clients.
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$10,000+$50 - $99 / hr10 - 49Cambridge, MA
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See all 1 projectsAciron Consulting, Inc. is a custom software development firm. Reviews indicate that 100% of clients are highly satisfied, noting the CEO's valuable industry insights and innovative solutions. While clients appreciate the CEO's intelligence and expertise, there is some concern about account manager turnover, although the transition process is well-documented.
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$5,000+< $25 / hr50 - 249Karachi, Pakistan
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See all 6 projectsHexalyze is a digital transformation consultancy specializing in Enterprise App Modernization and software modernization services. Reviews highlight their deep technical expertise and tailored approach, with 95% of feedback being positive. Clients appreciate their effective project management, clear communication, and commitment to quality, resulting in improved operational efficiency and successful digital transformations.
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$1,000+< $25 / hr50 - 249Delhi, India
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See all 2 projectsTechnoScore is a web development company known for its strong technical skills and flexible, transparent approach. Reviewers consistently praise their agile methodology and friendly environment. Notably, 100% of the feedback highlights their project management style and communication, with no recommendations for improvement mentioned.
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$25,000+$25 - $49 / hr10 - 49Bengaluru, India
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See all 7 projectsTechpearl Software Pvt Ltd. is a versatile software development company known for creating customized solutions, including mobile applications, web portals, and enterprise B2B platforms. Across their reviews, 80% of clients praised their responsiveness and ability to deliver projects on time. However, 40% noted room for improvement in requirements gathering and project management processes.
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$10,000+$25 - $49 / hr10 - 49Ashtarak, Armenia
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See all 3 projectsHydralab LLC is a development company specializing in custom website and gaming portal development, utilizing technologies like React.js. The overall feedback is highly positive, with clients praising their project management, timely delivery, and cultural alignment. About 100% of reviewers highlight their effective communication and dedication, though some note a need for uniform adherence to the latest development standards.
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$25,000+$150 - $199 / hr10 - 49Truckee, CA
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See all 4 projectsNew Leaders is a versatile development and branding company specializing in web-based platforms, app development, and content management systems. They excel in understanding client visions, offering tailored solutions, and maintaining high customer satisfaction, as evidenced by a 100% positive feedback rate. Clients praise their project management and flexibility, though some note the need for clearer technical explanations for non-specialists.
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$5,000+$25 - $49 / hr10 - 49Kraków, Poland
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See all 1 projectsGISonLine is a geospatial solutions company specializing in integrating geospatial mapping and visualization components into existing platforms. According to reviews, 100% of clients expressed satisfaction with their knowledgeable and experienced team, seamless integration, and strong project management. Their communication and understanding of business needs are consistently praised, with no areas for improvement noted.
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$25,000+$25 - $49 / hr2 - 9
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See all 1 projectsSummit Tech is an IoT solutions provider specializing in integrated systems for hospitality environments, exemplified by their work with Be Still Hotel Cappadocia. The company received overwhelmingly positive feedback, with significant improvements in energy savings (30%) and guest satisfaction (85%). Reviewers praised Summit Tech's structured project management and systems-focused approach, though minor onboarding improvements were suggested.
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$25,000+$25 - $49 / hr250 - 999Taipei, Taiwan
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See all 2 projectsTPIsoftware, operating under the brand ThinkPower, is a software design and development company recognized for providing tailored software solutions and consultancy services. Reviews indicate a strong emphasis on quality and timeliness, with 100% of reviewers praising their project management skills and technological expertise. However, some suggest improvements in regular project progress communication.
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Undisclosed$25 - $49 / hr10 - 49Montevideo, Uruguay
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See all 13 projectsKreitech is a versatile software development and technology solutions company, offering services ranging from UX/UI design and application development to VR/AR experiences and AI integration. Their reviews reflect a strong emphasis on communication, timely delivery, and adaptability, with 100% of clients noting positive outcomes such as enhanced efficiency, high-quality deliverables, and exceptional project management. Clients consistently praise Kreitech's ability to align with their strategic goals and requirements.
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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.