Top Application Modernization Services
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$10,000+$50 - $99 / hr50 - 249München, Germany
Services provided
See all 5 projectsAterise is a software development and IT consulting company specializing in financial solutions and digital products. Across the reviews, clients praised Aterise for their on-time delivery and strong communication skills. The company is commended for their quality work, cost-effectiveness, and adaptability to project needs. Notably, 100% of reviewers were impressed with their professionalism and execution, with no areas marked for improvement.
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$10,000+$50 - $99 / hr2 - 9Mysuru, India
Services provided
See all 3 projectsAgiliti Techpartners is a versatile technology solutions provider, offering services ranging from mobile app development to database creation and website backend management. Overall, their reviews are overwhelmingly positive, with clients praising their professionalism, technical knowledge, and commitment to project success. Approximately 90% of reviewers highlight their effective communication and project management skills, emphasizing their proactive and flexible approach to client needs.
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$10,000+$25 - $49 / hr50 - 249Vadodara, India
Services provided
See all 4 projectsPrakash Software Solutions is an IT Modernization company specializing in Enterprise Application Modernization services. They receive overwhelmingly positive feedback, with 100% of reviewers praising their timely delivery and effective communication. Clients particularly highlight their ability to resolve complex issues and adapt to project changes efficiently, making them a reliable partner for Software Modernization projects.
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$100,000+$25 - $49 / hr10 - 49
Services provided
See all 3 projectsCressoft Consultancy Limited is a software development company specializing in providing engineers, scrum masters, and architects for projects ranging from mobile and web app development to insurance underwriting systems. The company has received overwhelmingly positive feedback, with clients highlighting their commitment, flexibility, timely delivery, and use of cutting-edge technologies. Cressoft is praised for its proactive approach, with no areas identified for improvement and about 100% of reviewers emphasizing their excellent project management and communication skills.
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$5,000+$25 - $49 / hr10 - 49Dubai, United Arab Emirates
Services provided
See all 1 projectsDewford Technologies is a software development company specializing in AI solutions. The reviews reflect a positive sentiment, highlighting their effective communication and ability to exceed project delivery expectations. Approximately 100% of reviewers commend their documentation quality and procedural focus, with minor feedback suggesting a more flexible project management approach.
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$5,000+$150 - $199 / hr2 - 9
Services provided
See all 1 projectsDurable Programming is a specialized app development company focused on troubleshooting and maintaining complex coding issues. With consistently positive feedback, 100% of reviewers commend their impressive code understanding and responsive communication. Clients appreciate their alignment with company values and cost-effective solutions, with no significant areas for improvement mentioned.
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$1,000+$25 - $49 / hr2 - 9Skopje, North Macedonia
Services provided
See all 3 projectsSuccess IT Ltd is a versatile software development company praised for their expertise in .NET, architecture, and mobile app development. Across their reviews, clients commend their ability to deliver projects on time with stability and professionalism, with over 90% of feedback highlighting their flexibility and capability in handling complex projects. Clients also appreciate their proactive approach to understanding business needs and providing innovative solutions.
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$5,000+$25 - $49 / hr50 - 249Jaipur, India
Services provided
See all 4 projectsAuriga IT is a technology solutions company specializing in web and mobile application development, often using technologies like PHP, MySQL, and AngularJS. Overall feedback is predominantly positive, with clients appreciating their high engineering quality, responsiveness, and ability to deliver on time. Approximately 75% of reviewers highlight their technical expertise and effective project management, while some suggest improvements in critical thinking and marketing capabilities.
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$25,000+$25 - $49 / hr10 - 49
Services provided
See all 4 projectsDextechnology is a mobile app development company with expertise in both native and cross-platform applications for iOS and Android. They have a reputation for professionalism, delivering complex projects on time and within budget, as evidenced by positive feedback across various reviews. Approximately 100% of reviewers highlight their technical proficiency and problem-solving abilities, while 75% commend their effective communication and project management.
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$1,000+$100 - $149 / hr10 - 49Austin, TX
Services provided
See all 4 projectsProsigliere, Inc. is a technology recruitment and consulting firm specializing in building and scaling technology teams, with an emphasis on aligning talent with company culture and values. Client feedback is overwhelmingly positive, highlighting Prosigliere’s effective project management, seamless integration, and exceptional ability to quickly source and vet high-quality, culturally-aligned talent, with 100% of reviews praising their commitment to client success and adaptability.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsSWING Technologies is a web development company specializing in creating websites and portals. Reviews indicate overwhelmingly positive feedback, with 100% of reviewers praising their responsiveness and creative solutions. The company is commended for delivering functional and reliable outcomes, meeting design specifications efficiently within tight timelines.
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$1,000+< $25 / hr10 - 49Gurugram, India
Services provided
See all 4 projectsNanotech Soft N App IT Solutions is a versatile IT services provider specializing in API development, web applications, mobile apps, and web design. With a high level of professionalism and responsiveness, they have consistently met client expectations as evidenced by overwhelmingly positive feedback from 100% of reviewers. Clients appreciate their timely project completion and effective communication, though minor language barriers have been noted.
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$50,000+$150 - $199 / hr10 - 49Denver, CO
Services provided
See all 8 projects303 Software specializes in Enterprise App Modernization, delivering robust system architecture, web design, and UI/UX services. Praised for their timely delivery and strong project management, they achieved commercial success. Notably, 100% of reviewers highlight their ability to immerse themselves in subject matter, ensuring precise project execution.
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$1,000+$50 - $99 / hr2 - 9Corona, CA
Services provided
See all 1 projectsWellomyTech is a technology solutions company specializing in designing and developing back-end components and infrastructure for online platforms. Their reviews reveal a 100% satisfaction rate, highlighting their flexibility, accountability, and strong communication skills. Clients commend their solution-focused approach and timely delivery, with no areas noted for improvement.
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$25,000+$25 - $49 / hr10 - 49Rugby, England
Services provided
See all 4 projectsCoreScripts Technologies LTD is a versatile software development company specializing in custom applications, project management systems, and web-based solutions. They consistently receive positive feedback, with approximately 85%–90% of deliveries on time and notable praise for their communication, attention to detail, and technical expertise. Clients highlight their ability to adapt and accommodate project requirements, although minor improvements in documentation and testing are suggested.
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$5,000+< $25 / hr50 - 249
Services provided
See all 10 projectsSunfocus Solutions Pvt. Ltd. is a versatile software development company known for its expertise in mobile app development and comprehensive application solutions. Reviews highlight their technical competence, timely delivery, and proactive customer engagement, with 100% satisfaction reported in project outcomes. Approximately 95% of clients commend their responsive communication, attention to detail, and ability to align with diverse business needs.
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$1,000+< $25 / hr50 - 249Mumbai, India
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See all 1 projectsKanishka Software Private Limited is a software development company known for creating websites and apps with a strong focus on UI/UX design. Feedback indicates a high level of satisfaction, with 100% of reviewers praising their adherence to timelines and effective communication, leading to successful project outcomes without any noted areas for improvement.
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$5,000+$50 - $99 / hr50 - 249
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See all 1 projectsMobile Apps Ai is a mobile app development company known for delivering user-friendly and feature-rich applications. Reviews highlight a 100% positive feedback rate, emphasizing their ability to enhance user engagement, with measurable outcomes such as a 30% increase in engagement and a 20% boost in sales. Their project management and attention to detail are particularly praised by clients.
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$25,000+$50 - $99 / hr10 - 49Plovdiv, Bulgaria
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See all 5 projectsDiadraw Ltd. is a versatile software development company known for its expertise in creating tailored digital solutions, including comprehensive internal tools, community engagement platforms, and mobile applications. Across their reviews, clients consistently highlight Diadraw's professionalism, punctuality, and strong alignment with company values, resulting in 100% positive feedback. The company excels in delivering projects on time and provides exceptional customer service, ensuring client satisfaction and long-term partnerships.
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$1,000+$25 - $49 / hr10 - 49Miami, FL
Services provided
See all 6 projectsOnePix is a versatile software development company offering services such as web development, e-commerce solutions, and mobile app development. The company is consistently praised for its effective communication, timely delivery, and innovative problem-solving. Notably, 100% of reviewers highlight their strong cultural fit and impressive project management skills, with a significant emphasis on their technical depth and proactive approach to project challenges.
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$25,000+$25 - $49 / hr50 - 249Vadodara, India
Services provided
See all 1 projectsTntra is an IT development company specializing in designing and developing scalable, secure, and modern websites. With a focus on user experience and mobile responsiveness, Tntra has received overwhelmingly positive feedback for its technical expertise and strategic partnership approach. Notably, 100% of reviewers praised their project management and responsiveness.
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$1,000+$25 - $49 / hr50 - 249Buenos Aires, Argentina
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See all 2 projectsEspin Labs is a custom software development company known for its expertise in creating educational web portals and management systems, as evidenced by their work with the Ministry of Education in Argentina. The company receives 100% positive feedback, highlighting their timely responses and flexibility in addressing project needs, even during weekends or late hours. Clients consistently express satisfaction, with no significant areas for improvement noted.
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$1,000+< $25 / hr10 - 49Kochi, India
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See all 11 projectsBlue Horizon Infotech is a versatile technology and software development company offering services such as web development, UX/UI design, and custom software solutions. Their reviews demonstrate a high level of customer satisfaction, with approximately 95% positive feedback highlighting their project management skills, responsiveness, and ability to deliver quality work within budget and timelines. Clients commend their flexibility and problem-solving capabilities, making them a reliable partner for various technological projects.
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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 agency known for offering cost-effective solutions. The reviews reveal mixed feedback, with around 70% of clients noting positive experiences, highlighting their responsiveness and project management. However, approximately 30% mention dissatisfaction due to incomplete projects and communication issues. Many clients appreciate their commitment to customer relationships and timely delivery.
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$10,000+$50 - $99 / hr10 - 49Chennai, India
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See all 2 projectsSkcript is a technology solutions company specializing in blockchain development, robotic process automation, and mobile application development. The company's expertise in JavaScript, Firebird, and Hyperledger Fabric is praised by clients, with 100% of reviews highlighting their strong project management and responsive communication. However, some feedback suggests room for improvement in pre-sale efficiency.
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$10,000+$50 - $99 / hr10 - 49
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See all 5 projectsAllmatics is a versatile software development company specializing in web and software solutions, including frontend and backend development, database management, and UI/UX design. Reviewers consistently highlight their professionalism, timely delivery, and strong project management skills, with no significant areas for improvement noted. Approximately 80% of reviewers appreciate their communication and adaptability, emphasizing their reliable and detail-oriented approach.
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$5,000+$25 - $49 / hr10 - 49Atlanta, GA
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See all 1 projectsMVP Now Studio is a CRM implementation company that assists businesses in configuring and integrating CRM systems like Zoho. The feedback from their clients is overwhelmingly positive, highlighting their detailed understanding of client needs and smooth workflow. Notably, 100% of reviewers expressed satisfaction with the solutions provided by MVP Now Studio.
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$5,000+$25 - $49 / hr10 - 49Chorzów, Poland
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See all 3 projectsEvertop is a software development company specializing in creating custom applications and platforms for diverse business needs. Their clients commend them for their excellent project management, flexibility, and timely delivery, with 100% of reviewers highlighting their exemplary service and communication. Notably, clients appreciate Evertop's ability to adapt and implement changes effectively, showcasing their commitment to meeting client expectations.
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$10,000+$50 - $99 / hr2 - 9Burbank, CA
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See all 1 projectsWorklab.io, Inc. is a comprehensive software development company specializing in mobile and desktop app development, backend solutions, and technology consulting. The client feedback is overwhelmingly positive, with 100% of reviewers praising their ability to deliver a perfect product on time and their impressive commitment to client vision and technological expertise.
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UndisclosedUndisclosed10 - 49
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See all 1 projectsNenu Tech Limited is a software development company specializing in creating customized client management solutions and providing SEO services. Their clients appreciate their attentiveness and clear communication, with 100% positive feedback regarding their project management skills and timely delivery. Clients commend their professionalism and reliability, emphasizing the company's ethical approach in a market often fraught with challenges.
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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
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 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 -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
37.5/40.019/20 Reviews10/10 Clients & Experience8.5/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$25,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35.2/40.017.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
45% Enterprise App Modernization55% 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 -
$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
39.7/40.019.8/20 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 -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
11% Enterprise App Modernization89% Other -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
36.4/40.016.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
38.4/40.018.8/20 Reviews10/10 Clients & Experience9.6/10 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 -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
32.1/40.017.4/20 Reviews9.8/10 Clients & Experience4.8/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
33.7/40.016.4/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
37.1/40.017.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% 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 - 249Portland, OR
Ability to deliver
35.3/40.017/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999Unterschleißheim, Germany
Ability to deliver
35.1/40.018/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.017.8/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249Toronto, Canada
Ability to deliver
37.9/40.020/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
15% Enterprise App Modernization85% 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 -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
36.7/40.017/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$25 - $49 / hr50 - 249Melbourne, Australia
Ability to deliver
32.7/40.016.2/20 Reviews8.4/10 Clients & Experience8.1/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$25,000+$50 - $99 / hr50 - 249Rybnik, Poland
Ability to deliver
34.7/40.016.8/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
30% Enterprise App Modernization70% 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.