Top Application Modernization Services
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$10,000+$50 - $99 / hr2 - 9
Services provided
Handmade Software is a software development company. They are based in Amsterdam, Netherlands and have small team. They offer Custom Software Development and Enterprise App Modernization.
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$5,000+$25 - $49 / hr50 - 249Overland Park, KS
Services provided
Launched in 2008, TechnologyAlly is a web design agency. The team provides Web Design and CRM consulting and SI.
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$10,000+$50 - $99 / hr10 - 49İzmir, Türkiye
Services provided
90 Pixel is a custom software development firm. The İzmir, Türkiye-based agency was established in 2016. Their team focuses on Custom Software Development and Enterprise App Modernization.
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$10,000+$50 - $99 / hr10 - 49Cape Town, South Africa
Services provided
Cloud consulting & SI company Flat Rock Solutions is based in Cape Town, South Africa and Arlington, Virginia. They provide cloud consulting & SI and Custom Software Development.
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$10,000+$50 - $99 / hr50 - 249Sofia, Bulgaria
Services provided
See all 2 projectsDevocean Services specializes in Enterprise App Modernization, focusing on overhauling legacy systems and improving data management solutions. Their clients consistently praise their expertise in modernizing enterprise applications, effective project management, and impressive performance improvements, such as a 200% increase in system responsiveness. Their transparent and collaborative approach ensures smooth project execution and client satisfaction.
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$10,000+$50 - $99 / hr50 - 249Houston, TX
Services provided
Streebo is a mobile application development company. Founded in 2009, their team focuses on Mobile App Development and Enterprise App Modernization.
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$100,000+$100 - $149 / hr50 - 249Naperville, IL
Services provided
Egen is an IT strategy consulting company. They were established in 2002 and offer IT strategy consulting and cloud consulting & SI.
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$10,000+$50 - $99 / hr2 - 9San Francisco, CA
Services provided
Small software development company UI Flow, is located in San Francisco, California. The team provides Custom Software Development and Enterprise App Modernization.
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$10,000+$200 - $300 / hr10 - 49Chicago, IL
Services provided
Ai2 is a small software development firm established in 1982. Their services include Custom Software Development and Enterprise App Modernization.
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UndisclosedUndisclosed10 - 49Sacramento, CA
Services provided
UX design agency blueriver was launched in 2010. The team focuses on UX/UI Design and Custom Software Development.
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$250,000+$300+ / hrFreelancerToronto, Canada
Services provided
Devinity Corp. Is a website development firm established in 2017. The agency provides Web Development and Custom Software Development, and is small.
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$5,000+$100 - $149 / hr10 - 49Tel Aviv-Yafo, Israel
Services provided
Zero21 , a web development company, is located in Tel Aviv-Yafo, Israel. The team provides Web Development and Mobile App Development.
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Undisclosed< $25 / hr10 - 49Hyderabad, India
Services provided
EcomZera is an e-commerce development firm launched in 2005. The team provides E-Commerce Development and Web Development.
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Undisclosed$25 - $49 / hr1,000 - 9,999Puducherry, India
Services provided
Integra Software Services is a Back Office Outsourcing company. Launched in 1996, the team offers Back Office Outsourcing and Graphic Design.
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$1,000+$25 - $49 / hr1,000 - 9,999Amadora, Portugal
Services provided
Reditus is a large Amadora, Portugal-based software development company. Their services include Custom Software Development and Back Office Outsourcing.
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$10,000+$100 - $149 / hr50 - 249Frisco, TX
Services provided
Code Authority is a software development firm. Headquartered in Frisco, Texas, the firm specializes in Custom Software Development and Enterprise App Modernization.
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$25,000+$25 - $49 / hr1,000 - 9,999Harrow, England
Services provided
IT strategy consulting company Changepond Technologies Private Limited was established in 2000. The agency specializes in IT strategy consulting and IT managed services.
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UndisclosedUndisclosed1,000 - 9,999Addison, TX
Services provided
Accolite Digital is a cloud consulting & SI company. In Addison, Texas and Bengaluru, India, the team offers cloud consulting & SI and Cybersecurity.
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$50,000+Undisclosed1,000 - 9,999Irving, TX
Services provided
In Irving, Texas and Serilingampalle (M), India, Motivity Labs is a Cybersecurity company. The team offers Cybersecurity and Mobile App Development.
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$50,000+$150 - $199 / hr50 - 249Woodinville, WA
Services provided
Established in 1996, Redapt is a cloud consulting & SI company. The agency focuses on cloud consulting & SI and BI & big data consulting & SI, and is midsize.
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Undisclosed< $25 / hr2 - 9Florianópolis, Brazil
Services provided
Pralitech is a software development firm. The Florianópolis, Brazil-based firm was established in 2019. Their services include Custom Software Development and Web Development.
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UndisclosedUndisclosed250 - 999Bridgewater Township, NJ
Services provided
Zealogics INC is an Engineering company established in 2012. Their team provides Engineering and IT managed services.
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$1,000+< $25 / hr50 - 249Kochi, India
Services provided
See all 1 projectsiCRATS Technologies specializes in cloud migration services, including transitioning from on-premises servers to Office 365. Client reviews highlight their proficiency in project management, effective communication, and smooth migration processes. Overall, clients appreciate their transparent, user-friendly approach and strong client relations, making them a trusted technical partner.
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$1,000+$50 - $99 / hr2 - 9
Services provided
Small IT managed services company Decade3, is in Leeds, England. Their services include IT managed services and Custom Software Development.
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$100,000+$200 - $300 / hr2 - 9Sydney, Australia
Services provided
Technology Leads is a small Sydney, Australia-based Enterprise App Modernization company. The team offers Enterprise App Modernization and Custom Software Development.
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$10,000+$50 - $99 / hr2 - 9Miami, FL
Services provided
Launched in 2024, ReemRose is a small Miami, Florida-based cloud consulting & SI company. Their services include cloud consulting & SI and Web Development.
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Undisclosed$50 - $99 / hr10 - 49Pretoria, South Africa
Services provided
Obsidian Information Technologies is a small Pretoria, South Africa-based IT strategy consulting company. Their services include IT strategy consulting and Enterprise App Modernization.
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$25,000+$300+ / hr250 - 999Ottawa, Canada
Services provided
Pythian is a business intelligence company in Ottawa, Canada and San Francisco, California. They specialize in BI & big data consulting & SI and cloud consulting & SI and were launched in 1997.
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$1,000+< $25 / hr2 - 9Białystok, Poland
Services provided
Launched in 2020, subvise is a small Białystok, Poland-based web development company. Their team specializes in Web Development and Enterprise App Modernization.
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$10,000+$25 - $49 / hr10 - 49Panama City, Panama
Services provided
IDEATI is a small software development company. They provide Custom Software Development and BI & big data consulting & SI and were established in 2009.
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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.