Top Application Modernization Services
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$5,000+$25 - $49 / hr10 - 49
Services provided
See all 2 projectsZuccotech is a development company specializing in building platforms, with expertise in both backend and frontend development, as well as QA testing. The company receives predominantly positive feedback, with over 90% of reviews highlighting satisfaction with quality, project management, and technical expertise, especially in blockchain and influencer marketing platforms. However, some reviewers have noted a need for improved communication skills and schedule flexibility.
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$10,000+$100 - $149 / hr10 - 49Wrocław, Poland
Services provided
See all 1 projectsCloud Drift is a cloud technology solutions provider specializing in digital asset delivery, cloud adoption, and software development. The company is consistently praised for its efficiency, flexibility, and ability to meet client demands swiftly, with 100% positive feedback on their skillset and project management. Clients commend Cloud Drift for their collaborative nature and transformative impact on projects.
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Undisclosed< $25 / hr2 - 9Chandigarh, India
Services provided
See all 3 projectsBLUSHING Technology is a digital marketing and web development company recognized for its exceptional design and project management skills. Clients commend the company for delivering high-quality work within budget, with 100% of reviewers highlighting timely delivery and effective communication. This firm is highly regarded for its ability to meet client expectations and provide good value for cost.
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$5,000+$50 - $99 / hr2 - 9
Services provided
See all 1 projectsManucode is an IT services company specializing in software development, IT team building, and outsourcing, with a focus on OutSystems technology. Reviews highlight their high-quality solutions, proactive communication, and timely delivery, with 100% of reviewers noting their efficiency and alignment with client values. The company is praised for good value, fitting well within budget constraints.
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$5,000+$25 - $49 / hr2 - 9Veliko Tarnovo, Bulgaria
Services provided
See all 1 projectsTremity is a versatile technology company specializing in technical architecture, development, customer support, and content management services. The reviews indicate a strong performance, with a 50% increase in development speed and a 20% boost in customer satisfaction. While their active partnership and strategic input are praised, there is a slight concern about task detail orientation causing occasional delays.
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$10,000+$50 - $99 / hr2 - 9
Services provided
See all 2 projectsTruesight Technologies is a software development company specializing in protocol implementation and product industrialization. With a focus on delivering tailored solutions and demonstrating exceptional technical skills, 100% of reviewers praise their smooth project management and effective communication. Reviewers highlight their ability to optimize systems and ensure successful project delivery.
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$5,000+Undisclosed50 - 249Auckland, New Zealand
Services provided
Adaptiv is an Auckland, New Zealand-based Enterprise App Modernization company. The team specializes in Enterprise App Modernization and Application Management & Support.
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$25,000+Undisclosed10 - 49
Services provided
See all 4 projectsCoretec Inc. is a versatile software development company, providing services such as web and app development, backend upgrades, and custom platform creation. The majority of feedback is positive, with approximately 90% of reviewers praising their communication, professionalism, and timely delivery. Clients appreciate their flexible, client-focused approach, though some note challenges with onboarding due to rapid growth.
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$1,000+< $25 / hr2 - 9
Services provided
See all 2 projectsZTABS is a software development company specializing in designing and implementing complex web platforms and systems. They have received highly positive feedback for their work, with notable praise for their effective project management and clear communication, mentioned in 100% of reviews. Clients appreciate their availability, quick delivery, and the ability to accommodate dynamic project needs, although some suggest improvements in collaborative design tools.
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$5,000+$25 - $49 / hr2 - 9
Services provided
See all 1 projectsCOPODS DESIGN TECHNOLOGY SOLUTIONS LLP is a UI/UX design company known for its thorough discovery process and collaborative approach. Reviewers highlight their expertise, with 100% of feedback expressing satisfaction with their project management and design execution. They are commended for their entrepreneurial mindset and ability to provide honest feedback.
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$5,000+$25 - $49 / hr10 - 49Vinnytsia, Ukraine
Services provided
See all 3 projectsEvenmore is a front-end development company renowned for its expertise in providing skilled developers and effective solutions for projects involving technologies like React and Angular. Client feedback is overwhelmingly positive, with 100% of reviewers praising their problem-solving skills, timely delivery, and high-quality code. Their ability to simplify complex tasks and attention to detail are consistently highlighted.
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$1,000+< $25 / hr10 - 49Mira Bhayandar, India
Services provided
See all 2 projectsReputableTechnologies pvt. ltd. is an e-commerce and mobile app development company noted for its strong project management and supportive team. With 100% positive feedback, clients appreciate their ability to meet deadlines and deliver quality products, such as e-commerce platforms and mobile applications, at competitive prices. Their expertise in integrating geolocation and email notifications is frequently highlighted by reviewers.
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$1,000+< $25 / hr10 - 49Mumbai, India
Services provided
See all 1 projectsCodes 'n' Coffee Tech. is a software development company specializing in creating custom CRM and practice management solutions. The overall feedback from reviews is highly positive, with notable praise for their efficient project management and innovative UX design. Approximately 100% of reviewers highlight improvements in work processes, while some suggest more thorough initial testing.
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$5,000+$50 - $99 / hr10 - 49Warszawa, Poland
Services provided
See all 1 projectsH&K Soft Company is a software development firm specializing in back-end engineering and full-stack projects, particularly in the online education sector. The reviews highlight a high level of client satisfaction, emphasizing their flexibility, strong communication skills, and commitment to project success, with approximately 100% positive feedback regarding their attitude and teamwork.
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UndisclosedUndisclosed10 - 49Zagreb, Croatia
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See all 1 projectsIgnitech Solutions is a business and Agile consulting firm that excels in integrating Scrum and Agile practices within organizations. Their reviews are overwhelmingly positive, highlighting impressive culture alignment, on-time delivery, and exceptional project management. Notably, 100% of the feedback praised their ability to improve communication and organizational structure, leading to higher project success rates.
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$5,000+$25 - $49 / hr10 - 49Vancouver, Canada
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See all 1 projectsIT Kapital is a technology company specializing in developing automation systems for operational processes. Their services are highly praised, with 100% positive feedback for enhancing efficiency and maintaining quality standards. Clients appreciate their bilingual (Spanish and English) team and professional approach, though some suggest more guidance during the testing phase.
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$1,000+< $25 / hr10 - 49Gurugram, India
Services provided
See all 4 projects86 Agency is a versatile web development company offering full-stack development, website design, maintenance, and email campaign support. The reviews highlight their high-quality deliverables, strong project management, and excellent communication, with 100% positive feedback. Clients appreciate their responsiveness, proactive approach, and consistency, with 66% of reviewers specifically mentioning these qualities.
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$25,000+$150 - $199 / hr10 - 49
Services provided
See all 4 projectsCrux Digital is a versatile software development company specializing in UX/UI design, no-code prototyping, and frontend architecture. Reviewers consistently commend their flexibility, efficient project management, and ability to deliver high-quality prototypes and functional features within budget constraints. While 75% of the feedback highlights their impressive adaptability and domain expertise, a minor area for improvement is adhering to delivery timelines.
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$10,000+$25 - $49 / hr2 - 9Sofia, Bulgaria
Services provided
See all 5 projectsVigored is a web development company known for designing custom-built WordPress sites. Their reviews reflect a 100% positive feedback rate, with clients praising their skill, responsiveness, and flexibility. Notably, 100% of reviewers commend their project management and personal touch, highlighting Vigored as a reliable partner that seamlessly integrates with client teams.
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$25,000+$50 - $99 / hr2 - 9
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See all 6 projectsDigital Nomad Agency is an app development company specializing in creating mobile and web applications. The overall feedback from clients is overwhelmingly positive, with approximately 90% of reviewers praising their project management skills, communication, and ability to deliver high-quality, bug-free products on time. Their proficiency in using modern technologies like Flutter and NextJS is frequently highlighted, making them a reliable choice for businesses seeking robust digital solutions.
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$5,000+$25 - $49 / hr10 - 49Victoria, Canada
Services provided
See all 10 projectsSaveOnDev is a versatile development company specializing in web and mobile app development, often using technologies such as React, Node.js, and MEAN stack. The feedback highlights their strong project management skills and effective communication, with over 80% of reviews praising their responsiveness and flexibility. Clients were consistently satisfied, with notable appreciation for their ability to deliver cost-effective solutions. While some areas for improvement were noted, such as timeline clarity and grammatical precision, the overall client experience was highly positive.
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$10,000+$200 - $300 / hr2 - 9
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See all 3 projectsSolved is a professional software development company specializing in app and platform development using advanced technologies such as AngularJS and Scala. They have consistently delivered high-quality solutions tailored to client needs. Nearly 100% of reviewers commend their technical expertise and project management skills, noting their ability to meet deadlines and exceed expectations. Despite their small size, Solved's impactful work and reasonable pricing have been widely appreciated.
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$50,000+$25 - $49 / hr50 - 249Bogotá, Colombia
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See all 1 projectsLucasian Labs is a technology consulting firm that specializes in comprehensive technical assessments and optimization strategies. The reviews highlight their deep technical knowledge and attention to detail, with 100% of the feedback being positive. Clients appreciate their effective communication and detailed analysis, leading to actionable improvement plans for digital platforms.
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$25,000+$100 - $149 / hr10 - 49Hilversum, Netherlands
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See all 2 projectsElastique is a technology company specializing in web and app development, with a strong focus on creating user-friendly and responsive digital platforms. Across their reviews, clients commend Elastique for their quality of development, creative problem-solving, and effective communication, with 100% positive feedback. Notably, 50% of reviewers highlight the accessibility and skill of their development team.
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$10,000+$150 - $199 / hr10 - 49Loveland, CO
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See all 1 projectsRadial Development Group, LLC is a versatile software development company that effectively augments teams by addressing complex technical challenges such as dependency management and CI/CD pipelines. Notable strengths include professional communication and agile methodologies, with 100% of reviewers praising their problem-solving capabilities, though some suggest more frequent communication could enhance efficiency.
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$5,000+$25 - $49 / hr2 - 9
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See all 1 projectsSynergyBoat Solutions is a custom software development company known for integrating multiple technologies into cohesive platforms. They excel in data quality, user experience, and strategic partnership, with 100% of feedback highlighting their technical expertise and business understanding. However, they could improve on setting clearer boundaries and managing customer expectations.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsAppteamPro is a mobile app development company, specializing in creating innovative fitness applications. With a focus on enhancing client concepts beyond expectations, they deliver impressive results, achieving top-5 rankings in multiple countries. Their proactive and professional approach is highlighted by 100% positive feedback, with clients lauding their exceptional project management and dedication to app success.
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$5,000+$25 - $49 / hr2 - 9
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See all 1 projectsDeverno Inc. is a software development company specializing in custom software solutions using .NET, C#, and Microsoft SQL Server. Feedback from clients is overwhelmingly positive, highlighting their attention to detail and effective project management, with 100% of reviewers expressing satisfaction with their services and noting timely delivery of projects.
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$10,000+$25 - $49 / hr2 - 9Zaporizhzhia, Ukraine
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See all 1 projectsAcrovations is a mobile application development company with expertise in creating complex projects using technologies like Microsoft Azure and Xamarin. The overall feedback from clients is positive, highlighting effective communication and professional skills, with 100% of reviewers expressing satisfaction and recommending the company for future projects.
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$5,000+$25 - $49 / hr2 - 9
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See all 1 projectsBFlow is a development company specializing in custom Salesforce solutions. Feedback indicates strong satisfaction with their services, particularly noting their problem-solving abilities and excellent communication. No negative aspects were mentioned, with 100% of reviewers highlighting their understanding of business needs and commitment to client missions.
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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.