Top Application Modernization Services
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$5,000+$50 - $99 / hr1,000 - 9,999Plainsboro Township, NJ
Services provided
See all 10 projectsDamco Solutions is a versatile IT services company specializing in Salesforce CRM implementations, mobile app development, and EHR integration. The company demonstrates professional expertise and adaptability, with positive feedback from 100% of clients. Notably, clients appreciate their patience, professionalism, and effective project management, although some suggest that additional resources could expedite projects.
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$10,000+$25 - $49 / hr50 - 249Warszawa, Poland
Services provided
See all 8 projectsTeam Connect Ltd. is a distinguished recruitment and HR services company specializing in providing tailored staffing solutions, particularly in IT and digital transformation domains. The company garners widespread acclaim for its effective project management, personalized approach, and customer-centric focus, with 100% of reviewers expressing satisfaction. Clients appreciate their professionalism, punctuality, and proactive communication, contributing to seamless collaboration and successful project outcomes.
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$5,000+$50 - $99 / hr10 - 49San Francisco, CA
Services provided
See all 19 projectsApex Lab is a web development company that excels in developing scalable, user-friendly digital platforms, often working closely with clients to deliver minimum viable products (MVP) and comprehensive solutions. Across their reviews, clients commend their adaptability, proactive communication, and expertise, with approximately 90% of feedback highlighting successful project management and delivery. Apex Lab's ability to exceed expectations and rapidly adjust to client needs is frequently praised.
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$25,000+Undisclosed10 - 49Columbia, TN
Services provided
See all 5 projectsPilot West Studios | ERP & Business Software Modernization is a company specializing in Enterprise App Modernization and Software Modernization. Reviews highlight their effective communication and adaptability, with 100% of clients noting reduced processing times and improved system transitions. Their ability to customize solutions and align company values is particularly commended.
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$10,000+$25 - $49 / hr2 - 9Bengaluru, India
Services provided
See all 5 projectsDebuide Technologies (OPC) Pvt Ltd is a versatile company specializing in cloud infrastructure, DevOps operations, and continuous integration services. Their reviews reflect a positive reputation, with 100% of clients highlighting their professionalism, timely delivery, and technical proficiency in AWS. Notably, their ability to adapt to client-specific project management systems and maintain high-quality delivery is frequently praised.
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$10,000+$25 - $49 / hr10 - 49Greater Noida, India
Services provided
See all 7 projectsBeyondB is a versatile software development company praised for its comprehensive product development services, including mobile and web app creation, UX/UI design, and full-stack development. The company has garnered predominantly positive feedback, with 85% of reviewers highlighting their effective project management and responsiveness. Clients appreciate BeyondB's collaborative approach, innovation, and flexibility, though some suggest expanding services for larger-scale projects.
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$50,000+$50 - $99 / hr50 - 249Budapest, Hungary
Services provided
See all 5 projectsDanubius IT Solutions offers services including disaster recovery, managed Kubernetes setup, CI/CD deployment, API exposure, and the development of internal and external tools. Overall feedback highlights their flexibility, strong teamwork, and ability to meet deadlines, making them a reliable partner for App Modernization and IT Modernization projects.
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$10,000+$25 - $49 / hr10 - 49
Services provided
See all 2 projectsMoai Team is a full-service IT company specializing in web and mobile app development. They have consistently demonstrated strong project management skills, with reviewers highlighting their responsiveness and innovative solutions. Approximately 100% of the feedback is positive, emphasizing their professionalism, creativity, and effective communication. Moai Team has successfully delivered complex projects, significantly enhancing user engagement and satisfaction.
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$25,000+$50 - $99 / hr10 - 49
Services provided
See all 7 projectsMinimal Studio is a design and development company specializing in Web3 platforms, UI/UX design, and front-end development. Their reviews highlight a high level of client satisfaction, with 100% of feedback praising their creativity, communication, and timely delivery. Clients appreciate their ability to translate complex requirements into intuitive, visually engaging designs and their effective project management. Minimal Studio is noted for its alignment with client values and responsiveness to feedback.
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$10,000+$100 - $149 / hr10 - 49
Services provided
See all 5 projectsBit Complete is a specialized software development consultancy known for their expertise in creating scalable AI solutions, custom CMS, and application platforms. Reviews indicate that 100% of feedback is positive, highlighting their exceptional communication, promptness, and technical leadership. Clients often commend Bit Complete for their ability to adapt to changing needs and deliver high-quality work on schedule.
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$1,000+< $25 / hr10 - 49Jaipur, India
Services provided
See all 24 projectsArixLabs (Formerly FlutterFlowDevs) is a development agency specializing in mobile and web application development, particularly using low-code platforms like FlutterFlow. They have received mixed reviews, with approximately 70% of clients praising their project management and delivery timelines, particularly highlighting their dedication and responsiveness. However, a minority of clients, around 30%, have mentioned issues with project delays and communication. Their technical expertise, especially in Flutter, is consistently noted as a strength.
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$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
Services provided
See all 1 projectsEvergo is an IT consulting company known for providing strategic advisory services and managing complex projects, such as transitioning operations and implementing service management frameworks. Reviews highlight their expertise, punctuality, and transparency, with 100% positive feedback regarding their performance and commitment to deadlines. Clients appreciate their solution-oriented approach and willingness to tackle challenges.
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$10,000+$50 - $99 / hr10 - 49Wrocław, Poland
Services provided
See all 13 projectsCodewave is a versatile software development company known for providing services in web development, CMS implementation, and DevOps support. Approximately 86% of reviewers commend their strong communication skills and innovative problem-solving approach. Clients frequently highlight their professionalism and ability to deliver complex projects efficiently, though some note their services can be costly. Overall, Codewave garners predominantly positive feedback for their expertise and reliable project management.
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$10,000+$50 - $99 / hr50 - 249Lisboa, Portugal
Services provided
See all 5 projectsCodex Software is a versatile software development company offering services such as staff augmentation, custom software solutions, and API development. The company consistently receives positive feedback, with approximately 100% of reviewers praising their project management, commitment to deadlines, and ability to integrate seamlessly with existing teams. Clients also commend their proactive approach and problem-solving skills, highlighting the company's dedication to delivering high-quality results.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
Services provided
See all 1 projectsNstack Softech LLP is a web development company specializing in e-commerce solutions. The company is praised for its prompt communication, professionalism, and alignment with client values. Reviews indicate a 100% positive sentiment, highlighting their strong project management and ability to meet deadlines, with specific commendation for the responsiveness and punctuality of team members like Bhavik.
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$5,000+< $25 / hr10 - 49
Services provided
See all 15 projectsDevathon is a software development company specializing in creating custom web and mobile applications. The reviews reveal that 100% of clients appreciate their technical expertise and adaptability, with 75% emphasizing their strong project management skills. The company's ability to deliver high-quality, innovative solutions, even under tight timelines, is frequently highlighted. While some clients noted room for improvement in communication and process definition, the overall feedback is overwhelmingly positive.
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$25,000+$50 - $99 / hr50 - 249Warszawa, Poland
Services provided
See all 9 projectsDevapo is a versatile software development company providing services such as application development, UI/UX design, and integration solutions. Reviews indicate a strong focus on meeting deadlines and maintaining high-quality standards, with 100% of clients noting their effective communication and project management skills. Clients consistently commend the team for their professionalism, technical expertise, and ability to adapt quickly to project changes.
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$10,000+$25 - $49 / hr10 - 49İSTANBUL, Türkiye
Services provided
See all 8 projectsAPPTECH SYSTEMS is a company specializing in Enterprise Application Modernization and digital transformation services. Reviews highlight their exceptional dedication to customer service, adaptability, and affordability, with a 100% positive feedback rate. Clients appreciate their expertise in systems integration, process automation, and providing outstanding UX/UI design services, reflecting a proactive approach and commitment to customer satisfaction.
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$25,000+Undisclosed50 - 249London, England
Services provided
See all 3 projectsesynergy is a company specializing in Enterprise Application Modernization and cloud native development. Their reviews highlight a strong commitment to client success, with 100% positive feedback on their ability to deliver significant value and high-performance outcomes. Clients appreciate their collaborative approach and talented network, consistently praising esynergy for achieving objectives efficiently and effectively.
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$10,000+$100 - $149 / hr250 - 999London, England
Services provided
See all 11 projectsSoftwire is a software development company known for its expertise in custom software solutions, web development, and agile methodologies. Overall, approximately 95% of the reviewers express satisfaction with their work, highlighting Softwire's ability to manage projects effectively and deliver high-quality results. Common themes include their exceptional problem-solving capabilities, clear communication, and adherence to timelines. A notable number of reviews (around 75%) emphasize their strong project management and team collaboration skills.
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$1,000+$25 - $49 / hr50 - 249
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See all 9 projectsiQuasar LLC is a versatile IT services company specializing in website development, software modernization, and graphic support. Reviews highlight their strong communication, timeliness, and flexibility, with approximately 90% of clients noting impressive project management and value for cost. Many clients appreciate the seamless integration with their teams and the ability to deliver quality outcomes on time and within budget.
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$50,000+$100 - $149 / hr50 - 249Portland, OR
Services provided
See all 6 projectsAltSource Software is a custom software development company that provides tailored solutions for diverse industries, including finance, healthcare, and field services. The reviews indicate a strong focus on robust project management and effective communication, with a commitment to understanding client needs. Approximately 80% of reviewers praise AltSource Software for their technical expertise, responsiveness, and ability to deliver impactful solutions, although some note challenges with timeline and budget adherence.
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$25,000+$50 - $99 / hr50 - 249Košice, Slovakia
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See all 4 projectsHOTOVO is a versatile software development company offering services such as custom web and mobile application development, QA testing, and DevOps support. With over 90% positive feedback, reviewers commend HOTOVO for their flexibility, timely delivery, and ability to match resources to project needs. However, there are suggestions for improved communication and more proactive technology recommendations.
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$5,000+Undisclosed250 - 999Miami, FL
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See all 2 projectsFraktal Software Technologies is a development company specializing in AI-driven solutions and IT integration. Reviewers consistently highlight their innovative sprint-based pricing model and exceptional project management, with over 90% of feedback being positive. Clients commend their flexibility, proactive communication, and user-centered design. The company has a strong alignment with client values and delivers high-quality, scalable solutions efficiently.
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$10,000+$50 - $99 / hr50 - 249
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See all 7 projectsTriolla, identified as PitangoUX in the reviews, is a UX/UI design company praised for its innovative and impressive designs across various sectors, including healthcare, technology, and retail. Approximately 80% of reviewers commend their professionalism and design expertise, although some note communication and delivery timeline challenges. Clients appreciate Triolla's collaborative approach and ability to translate visions into effective, visually appealing designs.
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$5,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 10 projectsWappnet Systems Pvt. Ltd. is a versatile software development company specializing in mobile app development, API integration, and AR/VR solutions. The company is highly praised for its effective project management, proactive communication, and reliability, with 100% of reviewers highlighting their strong technical expertise and on-time delivery. Their ability to challenge clients with insightful solutions and maintain a smooth workflow is consistently appreciated.
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$25,000+$50 - $99 / hr10 - 49Maroubra, Australia
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See all 8 projectsMadAppGang is a mobile app development company specializing in building robust and innovative applications for iOS, Android, and web platforms. They are praised for their adaptability and expertise, with 100% of reviewers highlighting their technical prowess and problem-solving capabilities. The feedback is overwhelmingly positive, with clients commending their project management and ability to deliver projects on time and within budget.
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$5,000+$25 - $49 / hr10 - 49Kraków, Poland
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See all 8 projectsCleverCrew is a versatile software development company specializing in frontend and backend solutions, database management, and app development across various industries. Reviews highlight their strong project management, timely delivery, and effective communication, with 100% of reviewers praising these attributes. Clients appreciate their ability to integrate seamlessly within teams and deliver quality, cost-effective solutions, though some suggest improvements in machine learning and AI expertise.
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$10,000+$150 - $199 / hr10 - 49
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See all 1 projectsTwoConnect, LLC. is an IT services firm specializing in Azure integration and cloud migration, particularly with BizTalk. The feedback is overwhelmingly positive, with 100% of reviewers highlighting smooth communication and responsiveness. Clients, like Market Logistics Services Corporation, noted successful project outcomes and efficient workflows without any issues.
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$5,000+$25 - $49 / hr50 - 249Sofia, Bulgaria
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See all 13 projectsAionys is a company specializing in Enterprise App Modernization services, delivering solutions that enhance operational efficiency and safety in complex industries. Feedback is overwhelmingly positive, with 100% of reviewers highlighting their effective project management and ability to meet deadlines, ultimately achieving a seamless digital transformation for their clients.
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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.