Top Application Modernization Services
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UndisclosedUndisclosed50 - 249San Jose, CA
Services provided
Mobile application development company EnLume Inc is in San Jose, California and Hyderabad, India. They focus on Mobile App Development and Enterprise App Modernization.
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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
Services provided
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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UndisclosedUndisclosed1,000 - 9,999Houston, TX
Services provided
Kastech Software Solutions Group is an IT strategy consulting company. They focus on IT strategy consulting and cloud consulting & SI and are headquartered in Houston, Texas and Hyderabad, India.
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UndisclosedUndisclosed50 - 249St. Petersburg, FL
Services provided
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 - 249New York, NY
Services provided
Pirai Infotech is an user experience company. They offer UX/UI Design and Custom Software Development and are in New York, New York.
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$5,000+$25 - $49 / hr50 - 249Coimbatore, India
Services provided
Opine infotech is a cloud consulting & SI company. Their midsize team of employees is headquartered in Coimbatore, India. Their team focuses on cloud consulting & SI and Mobile App Development.
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UndisclosedUndisclosed50 - 249McLean, VA
Services provided
Established in 2010, Dynamic Integrated Services is a Market Research company. The team provides Market Research and IT strategy consulting.
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$1,000+$50 - $99 / hr50 - 249Hyderabad, India
Services provided
Iconwave Technologies Private Limited is a midsize custom software development firm. They focus on Custom Software Development and Enterprise App Modernization and were founded in 2014.
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$50,000+$100 - $149 / hr50 - 249Valley View, OH
Services provided
Avantia, Inc. Is a midsize custom software development company in Valley View, Ohio. The team offers Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr50 - 249Bengaluru, India
Services provided
RAAD-M IT ENABLED SERVICES PVT LTD is a Demand Generation Marketing company founded in 2024. The company provides Demand Generation Marketing and Mobile App Development, and is midsize.
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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
Services provided
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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$50,000+< $25 / hr50 - 249
Services provided
SOLIS Technology Private Limited is an AI development company. Launched in 2018, their team specializes in Artificial Intelligence and Enterprise App Modernization.
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$25,000+$25 - $49 / hr50 - 249Larnaca, Cyprus
Services provided
ABF Programming is a midsize custom software development company. They provide Custom Software Development and Web Development and were launched in 2018.
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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+$25 - $49 / hr50 - 249
Services provided
AVETO CONSULTING PVT LTD is an ERP consulting and SI company. They were launched in 2015, and their services include ERP consulting and SI and Enterprise App Modernization.
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$25,000+$25 - $49 / hr50 - 249Bengaluru, India
Services provided
BASOFA CONSULTING PRIVATE LIMITED is a CRM consulting and SI company launched in 2022. In Bengaluru, India, the team provides CRM consulting and SI and ERP consulting and SI.
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UndisclosedUndisclosed50 - 249
Services provided
WBC Software Lab, an IT managed services company, is based in Karaikudi, India. Their services include IT managed services and Custom Software Development.
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$50,000+$25 - $49 / hr50 - 249
Services provided
IT strategy consulting company Prodware Solutions is in Bridgewater, New Jersey. Their services include IT strategy consulting and CRM consulting and SI.
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$5,000+$50 - $99 / hr50 - 249
Services provided
Eastencher Software Private Limited is an user experience agency founded in 2019. The team specializes in UX/UI Design and cloud consulting & SI.
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$5,000+$25 - $49 / hr50 - 249
Services provided
Xcelligen is a cloud consulting & SI company. Launched in 2014, the firm is based in Herndon, Virginia. Their services include cloud consulting & SI and Cybersecurity.
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UndisclosedUndisclosed50 - 249
Services provided
AssetCues, a Business Consulting company, is in Pune, India and Pune, India. Their services include Business Consulting and Digital Asset Management.
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$25,000+$50 - $99 / hr50 - 249
Services provided
Fluidlabs OU is a CRM consulting and SI company. Founded in 2016, the team focuses on CRM consulting and SI and Custom Software Development. The company is headquartered in Tallinn, Estonia.
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$5,000+$25 - $49 / hr50 - 249Kinshasa, Democratic Republic of the Congo
Services provided
Kadea Software is a custom software development firm. They provide Custom Software Development and Web Development and were established in 2018.
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$1,000+< $25 / hr50 - 249
Services provided
Quantique Minds, an IT strategy consulting company, was launched in 2025. The firm offers IT strategy consulting and Custom Software Development.
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$5,000+$25 - $49 / hr50 - 249
Services provided
Geotech Infoservices Deutschland GmbH is a Düsseldorf, Germany-based custom software development company. The team focuses on Custom Software Development and Web Development.
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$1,000+< $25 / hr50 - 249Pune, India
Services provided
In Pune, India, BWC Labs Private Limited is an IT staff augmentation company. They offer IT staff augmentation and Custom Software Development and were founded in 2012.
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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
35/40.019.6/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
35.3/40.018.8/20 Reviews10/10 Clients & Experience6.5/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$5,000+< $25 / hr1,000 - 9,999
Ability to deliver
31.9/40.016.6/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
31.6/40.017.4/20 Reviews9.8/10 Clients & Experience4.4/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
31.3/40.015.8/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$10,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
38.1/40.020/20 Reviews10/10 Clients & Experience8.1/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
36.6/40.020/20 Reviews10/10 Clients & Experience6.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
30.2/40.015.8/20 Reviews10/10 Clients & Experience4.4/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$25,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
33.9/40.018.2/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
29.8/40.015.2/20 Reviews8.8/10 Clients & Experience5.9/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
35.7/40.020/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
31.1/40.016/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
33/40.017.2/20 Reviews10/10 Clients & Experience5.8/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
37/40.019.8/20 Reviews10/10 Clients & Experience7.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$25 - $49 / hr250 - 999Toronto, Canada
Ability to deliver
32.9/40.016.6/20 Reviews10/10 Clients & Experience6.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
32.7/40.016.8/20 Reviews10/10 Clients & Experience5.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
34.3/40.019/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
33.7/40.016.6/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr250 - 999Unterschleißheim, Germany
Ability to deliver
32.2/40.017.2/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
35.2/40.019/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$50 - $99 / hr10 - 49Farmington, MI
Ability to deliver
31.5/40.016.6/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34.1/40.018.4/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$150 - $199 / hr50 - 249
Ability to deliver
32/40.016.6/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
31.8/40.016.4/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$1,000+< $25 / hr50 - 249Jaipur, India
Ability to deliver
32.6/40.017.2/20 Reviews9.4/10 Clients & Experience6/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
31.5/40.016.6/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$25 - $49 / hr50 - 249Portland, OR
Ability to deliver
31.5/40.016.8/20 Reviews10/10 Clients & Experience4.7/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$250,000+$150 - $199 / hr10 - 49Littleton, CO
Ability to deliver
33.3/40.017.6/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
31.5/40.016.2/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
31.4/40.016.4/20 Reviews9.8/10 Clients & Experience5.2/10 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.