Top Application Modernization Services
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UndisclosedUndisclosed50 - 249Addison, TX
Services provided
Headstorm LLC. Is an AI development company launched in 2016. The team offers Artificial Intelligence and Enterprise App Modernization and is located in Addison, Texas.
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UndisclosedUndisclosed50 - 249Naperville, IL
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Based in Naperville, Illinois and Bengaluru, India, SOAIS is an Application Testing company. They offer Application Testing and IT staff augmentation and were established in 2006.
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UndisclosedUndisclosed50 - 249St. Petersburg, FL
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Flycast Partners, Inc. Is a midsize user experience company located in St. Petersburg, Florida. Their services include UX/UI Design and IT strategy consulting.
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UndisclosedUndisclosed50 - 249McLean, VA
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Established in 2010, Dynamic Integrated Services is a Market Research company. The team provides Market Research and IT strategy consulting.
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UndisclosedUndisclosed50 - 249Pune, India
Services provided
Midsize cloud consulting & SI company PibyThree, is based in San Antonio, Texas and Pune, India. Their services include cloud consulting & SI and Generative AI.
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UndisclosedUndisclosed50 - 249Richmond, VA
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Founded in 2014, Ippon Technologies is an IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.
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UndisclosedUndisclosed50 - 249Plano, TX
Services provided
Yorosis™ Technologies Inc is a big data analytics company in Plano, Texas and Kalapatti, India. They focus on BI & big data consulting & SI and cloud consulting & SI.
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UndisclosedUndisclosed50 - 249Austin, TX
Services provided
BP3 Global Inc. Is an UX design agency. The company is based in Austin, Texas and London, England. Their team focuses on UX/UI Design and Enterprise App Modernization.
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UndisclosedUndisclosed50 - 249London, England
Services provided
Established in 2019, Ingentive, a midsize Cybersecurity company, is headquartered in London, England. Their team specializes in Cybersecurity and IT managed services.
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$10,000+$50 - $99 / hr2 - 9London, Canada
Services provided
Based in London, Canada, Red Square Labs Inc. Is a small Enterprise App Modernization company. Their services include Enterprise App Modernization and UX/UI Design.
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$5,000+$100 - $149 / hr2 - 9Péronne-en-Mélantois, France
Services provided
AI development company IAGO Technologie is headquartered in Péronne-en-Mélantois, France. They specialize in Artificial Intelligence and Custom Software Development.
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UndisclosedUndisclosed2 - 9Addis Ababa, Ethiopia
Services provided
Enterprise App Modernization company Yesu IT Solution was founded in 2018. The small team specializes in Enterprise App Modernization and UX/UI Design.
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UndisclosedUndisclosed2 - 9Edison, NJ
Services provided
Rayonsoft Technologies Inc is an Enterprise App Modernization company. Their small team is based in Edison, New Jersey. Their services include Enterprise App Modernization and IT managed services.
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UndisclosedUndisclosed2 - 9Clarksburg, MD
Services provided
DeltaStrac, LLC, a Cybersecurity company, was founded in 2014. The agency specializes in Cybersecurity and Enterprise App Modernization.
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UndisclosedUndisclosed2 - 9Baltimore, MD
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Alphident Technologies Inc is a software development firm. In Baltimore, Maryland, their team offers Custom Software Development and Enterprise App Modernization.
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UndisclosedUndisclosed2 - 9Saskatoon, Canada
Services provided
Located in Saskatoon, Canada, Next Generation Apps is a small software development firm. The team specializes in Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Laval, Canada
Services provided
Based in Laval, Canada, Powered Softwares Inc. Is a small data analytics company. Their services include BI & big data consulting & SI and cloud consulting & SI.
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UndisclosedUndisclosed2 - 9Taguig, Philippines
Services provided
Koala Software Technology Innovations is a social media marketing firm. They are headquartered in Taguig, Philippines, and their services include Social Media Marketing and Web Development.
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UndisclosedUndisclosed2 - 9Meriden, CT
Services provided
ProServ Software & Support LLC is a small web design company based in Meriden, Connecticut. Their services include Web Design and IT strategy consulting.
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$5,000+$100 - $149 / hr10 - 49Austin, TX
Services provided
See all 6 projectsEnola Labs Software - Out of Business was a multifaceted technology consulting firm known for delivering software architecture, mobile app development, and web solutions. Across their reviews, 100% of clients praised their professionalism and technical expertise, highlighting their consultative approach and responsiveness. However, one review mentioned a limitation in PHP support, which was a challenge for ongoing maintenance. Overall, the company was commended for their ability to understand complex business needs and deliver tailored solutions.
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$1,000+$25 - $49 / hr10 - 49Pune, India
Services provided
See all 4 projectsAppristine Technologies Pvt. Ltd. is a versatile software development company offering services such as Progressive Web Apps, mobile apps, and complex Magento website solutions. The company is renowned for its strong communication and flexibility, impressing clients with responsiveness and a willingness to adapt. While 100% timely delivery can be a challenge, clients appreciate their patience and attention to detail, with 100% of reviews noting their dedication and helpfulness.
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$5,000+$25 - $49 / hr10 - 49
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See all 4 projectsDuskbyte is a versatile software development company specializing in SaaS solutions, web applications, and software integrations. Receiving overwhelmingly positive feedback, with 100% of clients praising their communication, technical expertise, and timely delivery, the company's culture fit and cost-effectiveness are frequently highlighted. Clients commend Duskbyte for their professionalism, creativity, and high-quality outputs, with no significant areas for improvement noted.
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$5,000+$100 - $149 / hr10 - 49Aldermaston, England
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In Aldermaston, England, Voyager Networks is an IT managed services company. Their services include IT managed services and Enterprise App Modernization.
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$10,000+$150 - $199 / hr10 - 49Edinburgh, Scotland
Services provided
Escrivo Internet Consulting is a SEO company. They are in Edinburgh, Scotland and have small team. They provide Search Engine Optimization and cloud consulting & SI.
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$5,000+$100 - $149 / hr10 - 49Rīga, Latvia
Services provided
Acando Latvia, a software development firm, is headquartered in Rīga, Latvia. They specialize in Custom Software Development and Enterprise App Modernization and were established in 2006.
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$10,000+$150 - $199 / hr10 - 49Reykjavík, Iceland
Services provided
Kvikna is an Enterprise App Modernization company. The team is headquartered in Reykjavík, Iceland, and their services include Enterprise App Modernization and UX/UI Design.
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UndisclosedUndisclosed10 - 49Austin, TX
Services provided
Accomplice LLC is an Enterprise App Modernization company headquartered in Austin, Texas. The team focuses on Enterprise App Modernization and UX/UI Design.
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UndisclosedUndisclosed10 - 49Lake Forest, CA
Services provided
Enterprise App Modernization company Asparian was established in 2004. The firm provides Enterprise App Modernization and cloud consulting & SI.
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$5,000+$25 - $49 / hr10 - 49Rupnagar, India
Services provided
River City Corporation is an UX company established in 2009. Headquartered in Rupnagar, India, the team provides UX/UI Design and Web Development.
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UndisclosedUndisclosed10 - 49Fairfax, VA
Services provided
BuddoBot Inc. Is a Cybersecurity company. They are in Fairfax, Virginia, and their services include Cybersecurity and Enterprise App Modernization.
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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 / hr250 - 999Miami, FL
Ability to deliver
36.7/40.019/20 Reviews9.9/10 Clients & Experience7.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
35.4/40.015.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$25,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35.4/40.017.4/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
34/40.015.2/20 Reviews8.8/10 Clients & Experience10/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$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 -
$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 -
$10,000+$50 - $99 / hr1,000 - 9,999Warszawa, 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
37.4/40.017.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
34.5/40.017.2/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$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 -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
38/40.018.4/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$150 - $199 / hr50 - 249Montréal, Canada
Ability to deliver
37.9/40.018.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$50 - $99 / hr50 - 249Rybnik, Poland
Ability to deliver
35.7/40.017.8/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
30% Enterprise App Modernization70% 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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.5/40.018.4/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$25 - $49 / hr250 - 999Stuttgart, Germany
Ability to deliver
38.4/40.018.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr50 - 249Lakewood, CO
Ability to deliver
39.4/40.019.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% 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 -
$1,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
37.3/40.018.4/20 Reviews9.6/10 Clients & Experience9.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$100 - $149 / hr50 - 249Belfast, Northern Ireland
Ability to deliver
36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$25 - $49 / hr50 - 249Melbourne, Australia
Ability to deliver
32.9/40.016.4/20 Reviews8.4/10 Clients & Experience8.1/10 Market PresenceService focus
40% Enterprise App Modernization60% 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 -
$25,000+$50 - $99 / hr250 - 999Warszawa, Poland
Ability to deliver
34.6/40.016/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$250,000+$50 - $99 / hr250 - 999Broomfield, CO
Ability to deliver
37.5/40.017.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
10% Enterprise App Modernization90% 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.