Top Application Modernization Services
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$10,000+$150 - $199 / hr10 - 49Lancaster, PA
Services provided
See all 1 projectsIndustrial Resolution is a software development company specializing in web interfaces, data modeling, and prototyping applications. Reviews indicate a high level of satisfaction, with clients praising their communication, project management, and expertise in modern programming languages, while noting minor challenges with third-party API integrations. 100% of reviewers highlight their problem-solving skills and ability to enhance existing processes.
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$1,000+$25 - $49 / hr2 - 9Kharkiv, Ukraine
Services provided
See all 1 projectsBravodev is a software development company specializing in creating, maintaining, and expanding SaaS solutions, particularly for the insurance sector. Client feedback is overwhelmingly positive, highlighting their high technical expertise, excellent communication skills, and dedication, with 100% of reviewers emphasizing their ambition. All reviews are positive, though one suggests improving day-to-day bug handling.
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$10,000+$50 - $99 / hr250 - 999Chennai, India
Services provided
See all 4 projectsXenovex Technologies Private Limited is a technology solutions provider specializing in customer portal development, system optimization, and platform upgrades. Their reviews highlight a 100% positive response regarding their strong project management, adaptability, and commitment to client success. Approximately 67% of reviewers emphasize their collaborative nature and responsiveness to urgent needs, making them a reliable partner.
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$5,000+$25 - $49 / hr10 - 49Leuven, Belgium
Services provided
See all 3 projectsDevsarch is a versatile software development and digital marketing company consistently praised for delivering high-quality projects on time and within budget. Their clients commend their exceptional communication and dedication, with 100% of reviewers highlighting their cultural fit and accommodating nature. They demonstrate expertise in eCommerce platforms, website development, and system performance enhancements, offering excellent value for cost across diverse industries.
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$5,000+$150 - $199 / hr2 - 9Rochester, MI
Services provided
See all 2 projectsBrilliant Chemistry is a digital solutions company specializing in building and managing web platforms for diverse clients, including nonprofits and service providers. The company receives overwhelmingly positive feedback, with 100% of reviewers highlighting their excellent project management, technical expertise, and communication skills. Clients praise Brilliant Chemistry's ability to exceed expectations and deliver reliable, high-quality services.
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$10,000+$50 - $99 / hr10 - 49عجمان, United Arab Emirates
Services provided
See all 4 projectsXfuturum is a technology company specializing in frontend development and web-based app solutions, particularly with React JS. Their reviews reflect a high level of satisfaction, with approximately 100% positive feedback highlighting their technical expertise, commitment to timelines, and impressive work ethic. Clients commend Xfuturum for their project management skills and their ability to swiftly address complex challenges, including performance improvements and efficient code refactoring.
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$50,000+$50 - $99 / hr10 - 49Cluj-Napoca, Romania
Services provided
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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$5,000+$25 - $49 / hr2 - 9Charlotte, NC
Services provided
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
Services provided
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
Services provided
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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$25,000+$50 - $99 / hr50 - 249Sofia, Bulgaria
Services provided
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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$5,000+$50 - $99 / hr10 - 49New York, NY
Services provided
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
Services provided
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
Services provided
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+$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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$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
Services provided
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
Services provided
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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$5,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 1 projectsUltrico is a company specializing in Enterprise Application Modernization, offering services such as app modernization and digital transformation. Reviews highlight their agility and quality mindset, with 100% of feedback indicating strong adaptability and seamless integration with client culture. Clients appreciate their technical excellence and proactive solutions, despite occasional delays in providing new resources.
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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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$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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$5,000+$50 - $99 / hr10 - 49Tampa, FL
Services provided
See all 6 projectsKatpro Technologies Inc is a technology consulting firm specializing in automation, custom application development, cloud solutions, and IT consulting services. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their adaptability, project management, and proactive communication. Clients particularly commend their ability to deliver timely solutions and tackle complex challenges, although some suggest better alignment of resources to client needs.
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$10,000+$100 - $149 / hr2 - 9Guilden Morden, England
Services provided
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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$25,000+$25 - $49 / hr2 - 9Vickramasingapuram, India
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See all 2 projectsZephony is a development company known for building MVPs, particularly for AI-powered solutions. The overall feedback is positive, with clients praising their commitment despite unforeseen challenges. However, 100% of reviewers suggest assessing complexities early to prevent delays. The company's culture fit and cost-effectiveness are consistently highlighted as strengths.
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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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$50,000+$25 - $49 / hr250 - 999Durham, NC
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See all 7 projectsMantra Labs is a versatile technology solutions provider that specializes in AI, UX design, and software development. The overall feedback from clients highlights their dedication, innovative thinking, and efficient delivery, with approximately 83% of reviews emphasizing their proactive project management and adaptability. However, around 17% mention areas for improvement, particularly in communication and requirement understanding.
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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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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.