Top Application Modernization Services
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$50,000+$50 - $99 / hr10 - 49Cluj-Napoca, Romania
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See all 1 projectsDood Software is a software development company known for managing comprehensive projects from development and testing to business support. Reviews highlight their professional and organized team, with 100% of feedback noting their innovative approaches and adherence to deadlines. Although recognized as costly, their expertise and value have been consistently praised.
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$1,000+$25 - $49 / hr10 - 49
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See all 2 projectsXAMTA INFOTECH is a digital solutions provider, specializing in services such as email marketing setups using tools like Odoo. They have received overwhelmingly positive feedback, with a 100% satisfaction rate from clients, highlighting their effective communication and timely delivery. Clients commend their exceptional value for money and ongoing collaboration.
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$5,000+$25 - $49 / hr2 - 9Charlotte, NC
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See all 1 projectsAR Software, LLC is a software development company specializing in rapid deployment of order management solutions using No Code/Low Code platforms, such as Power Platform. Their clients appreciate their efficiency, with 100% of reviewers noting a significant improvement in operational timelines, though some suggest an increase in documentation. The company's rapid delivery and affordability are emphasized in 100% of reviews.
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$50,000+$150 - $199 / hr10 - 49Lake Forest, CA
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See all 1 projectsLaminar Consulting Services Inc. is a software development company known for providing highly skilled developers that integrate seamlessly with clients' internal teams. Their reviews highlight a strong ability to assess project needs accurately and deliver results efficiently, with 100% of feedback reflecting satisfaction and a commitment to recommending their services to others.
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UndisclosedUndisclosed50 - 249Warszawa, Poland
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See all 6 projectsITSG Global is a versatile software development company specializing in solutions such as AI-powered trip planning, frontend technology upgrades, and workflow automation. Their reviews reflect a consistent theme of professionalism and high-quality deliverables, with 100% of reviewers highlighting their effectiveness in communication and flexibility. Clients commend their engagement and ability to deliver projects promptly, with no significant areas for improvement noted.
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$10,000+$25 - $49 / hr10 - 49
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See all 4 projectsSoftCircles is a versatile software development company specializing in web and mobile application development, with notable expertise in AI healthcare solutions and SaaS platforms. Client feedback is overwhelmingly positive, with approximately 90% of reviews highlighting their timely delivery, effective communication, and technical competency. Many clients appreciate their stability and proactive support, with some noting areas for improvement in task definition.
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$5,000+$50 - $99 / hr10 - 49New York, NY
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See all 1 projectsCloudacio specializes in deploying cloud solutions for local US governments, with a focus on scalability, security, and AWS expertise. According to reviews, they excel in designing elastic portals that handle high traffic efficiently and maintain robust security measures. Their commitment to customer satisfaction and 24/7 support makes them a trusted partner in government cloud migration.
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$10,000+$150 - $199 / hr10 - 49Dallas, TX
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See all 1 projectsAwesome Technologies Inc. is a versatile technology company specializing in employee management solutions, reporting, custom intelligence building, and SharePoint services. With consistently positive feedback, 100% of reviewers appreciate their effective project management style and successful project deployment, notably saving clients significant costs and improving productivity over time.
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$1,000+$25 - $49 / hr50 - 249Indore, India
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See all 1 projectsAPPSTEAN INFOTECH PRIVATE LIMITED is an ERP software service provider with over 17 years of experience, specializing in customized business solutions for various industries. Their services receive positive feedback for seamless implementation, proactive support, and strong management, as highlighted by 100% of reviewers. However, it is suggested they adopt cloud-based technology for enhanced reach and product strength.
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$25,000+< $25 / hr10 - 49
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See all 1 projectsOctos Global is a software development company specializing in mobile and web applications. Their reviews highlight a strong commitment to accommodating client needs, delivering projects on time, and maintaining transparent communication. Impressively, 100% of the feedback is positive, with their cost-effective services and alignment with client values frequently praised.
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$1,000+$100 - $149 / hr10 - 49Calgary, Canada
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See all 10 projectsConvverge, Inc. is an IT consulting and systems integration company specializing in Microsoft technologies, particularly SharePoint, Microsoft 365, and Power Platform solutions. Reviews highlight their strong project management skills, flexibility, and expertise, with over 90% of feedback being positive. Clients appreciate their responsiveness and ability to deliver user-friendly, customized solutions, often exceeding expectations while maintaining effective communication and staying within budget.
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$5,000+< $25 / hr10 - 49Mumbai, India
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See all 1 projectsAppectual IT Solutions is an IT solutions provider specializing in application development, utilizing technologies such as SQL, .NET, and ASP.NET. Reviews highlight their commitment and responsiveness to client needs, with 100% of clients praising their availability and adaptability. However, potential clients should note their smaller scale, which may impact resource planning. Overall, Appectual IT Solutions received positive feedback for timely delivery and project involvement.
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$5,000+$25 - $49 / hr10 - 49Gdańsk, Poland
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See all 2 projectsJMB Lab is a software development company praised for its high-quality service and effective project management. With a focus on technology solutions, they have consistently met deadlines and maintained excellent communication. Approximately 100% of reviewers highlight their professionalism, with no areas of improvement noted. Their expertise includes programming, quality assurance, and project management, contributing to improved product quality and predictable release schedules.
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$5,000+$100 - $149 / hr2 - 9Santiago, Chile
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See all 1 projectsAndes Digital is an IT services company that specializes in systems integration and technical support, particularly using platforms like OpenShift. The feedback from their collaboration indicates a 100% satisfaction rate with their technical execution and adaptability, although it suggests they could benefit from a larger team to manage multiple projects concurrently.
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$10,000+$150 - $199 / hr2 - 9Darrington, England
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See all 2 projectsTucanoo Solutions Ltd is a technology solutions provider specializing in digital transformation and custom software development, with a focus on secure and efficient platforms. Reviews indicate 100% positive feedback, highlighting their technical expertise, adaptability, and professionalism. Clients commend their ability to anticipate needs and deliver high-quality solutions, consistently exceeding expectations and ensuring seamless project execution.
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$5,000+$25 - $49 / hr10 - 49Kharkiv, Ukraine
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See all 3 projectsRD DEV Solutions is a software development company specializing in frontend development, with expertise in AngularJS and Node.js. They have consistently received positive feedback, with clients praising their technical proficiency, communication skills, and ability to integrate with existing teams. Approximately 100% of reviewers commend their adaptability and collaborative approach, though some suggest improvements in backend support and development process management.
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$25,000+$150 - $199 / hr10 - 49Crowborough, England
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See all 1 projectsElysium: The "Adult in the Room" for Enterprise Software, AI Development & Sovereign Hosting Engineering certainty since 1991. In a market of AI-first agencies and rapid-prototyping shops,
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$5,000+$25 - $49 / hr50 - 249Novi Sad, Serbia
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See all 2 projectsPanonIT is a software development company known for its strong expertise in healthcare and government sector technologies. They have successfully implemented and customized complex solutions, maintaining high client satisfaction with 100% positive feedback. Reviewers commend their skilled developers, effective communication, and project management capabilities, demonstrating a commitment to meeting client needs efficiently.
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$25,000+$50 - $99 / hr50 - 249Sofia, Bulgaria
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See all 5 projectsCleverPine is a comprehensive software development company specializing in full-cycle software solutions, including design, frontend and backend development, DevOps, and QA. Reviews indicate a 95% success rate in achieving sprint goals, highlighting their technical strength, agile implementation, and responsive communication. Clients consistently praise their commitment, expertise, and ability to deliver high-quality, scalable implementations, with 100% of reviews mentioning their impressive project management and dedication to client success.
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$25,000+$50 - $99 / hr10 - 49Zabrze, Poland
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See all 7 projectsIterative Engineering is a software development company specializing in creating tailored digital solutions for various industries. Across the reviews, clients commend their agile project management, with 100% highlighting their responsiveness, technical expertise, and ability to adapt to changing needs. The firm is praised for delivering high-quality outcomes on schedule, though a few suggest improvements in initial understanding of business needs.
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$10,000+$100 - $149 / hr2 - 9Guilden Morden, England
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See all 1 projectsCrowers Digital is a mobile app development company specializing in iOS and Android platforms. They have received 100% positive feedback, with clients praising their responsiveness and effective project management. Clients report satisfaction with their app functionality and maintenance services, highlighting the company's ability to meet deadlines and promptly address issues.
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$1,000+< $25 / hr10 - 49Surat, India
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See all 2 projectsTechno Brigade InfoTech is a mobile development company noted for its professionalism and timely project delivery. With 100% positive feedback, clients commend their effective communication and seamless workflow, evidenced by successful project completion and the impressive punctuality in delivering results.
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$25,000+$25 - $49 / hr250 - 999
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See all 2 projectsSpecific-Group is a software development company specializing in mobile app and system integration services, particularly with Java and PHP. They have received overwhelmingly positive feedback, with clients praising their technical expertise and reliability. Approximately 80% of reviewers highlight their quick problem-solving skills and ability to meet deadlines. However, some mention language barriers as a minor area for improvement.
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$10,000+$50 - $99 / hr2 - 9Mysuru, India
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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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$100,000+$25 - $49 / hr10 - 49
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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
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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
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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
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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
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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
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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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List of the Top 15 Legacy Modernization Services
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$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
38.5/40.019.4/20 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 / 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 / hr50 - 249Miami, FL
Ability to deliver
35/40.017/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
34.2/40.018.6/20 Reviews9.8/10 Clients & Experience5.7/10 Market PresenceService focus
60% Enterprise App Modernization40% 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 -
$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 / hr1,000 - 9,999Kraków, Poland
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 - 9,999Atlanta, 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+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
39.1/40.019.6/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.9/40.019/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
36.8/40.017.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
36.8/40.016.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$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+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
36/40.016.6/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 / hr50 - 249San Francisco, CA
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% 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 -
$25,000+$25 - $49 / hr250 - 999Lakeville, MN
Ability to deliver
37/40.017.2/20 Reviews9.9/10 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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
15% Enterprise App Modernization85% 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+$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 -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
36.5/40.016.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% 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
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.