Top Application Modernization Services
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$25,000+$50 - $99 / hr50 - 249Morrisville, NC
Services provided
In Morrisville, North Carolina, Medullus Systems is a software development company. Established in 2004, the team provides Custom Software Development and Mobile App Development.
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$10,000+$100 - $149 / hr50 - 249
Services provided
Evincible Solutions, a cloud consulting & SI company, was established in 2005. The firm offers cloud consulting & SI and ERP consulting and SI, and is midsize.
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$10,000+$50 - $99 / hr2 - 9Plano, TX
Services provided
Upgrade My Database is a software development company. The team offers Custom Software Development and Enterprise App Modernization and is headquartered in Plano, Texas.
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$1,000+< $25 / hr2 - 9Ghaziabad, India
Services provided
Custom software development firm Voiceano is based in Ghaziabad, India. They offer Custom Software Development and Enterprise App Modernization.
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$25,000+$100 - $149 / hr2 - 9Quakertown, PA
Services provided
In Quakertown, Pennsylvania and Bogota, Colombia, Kavoku is a small software development firm. The team offers Custom Software Development and Enterprise App Modernization.
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$25,000+$150 - $199 / hr2 - 9Milton Keynes, England
Services provided
Nugon is a small software development company. They focus on Custom Software Development and Enterprise App Modernization and were launched in 2020.
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$50,000+$100 - $149 / hr2 - 9
Services provided
Based in New York, New York, Voyage Labs is a small web development firm. Their services include Web Development and Mobile App Development.
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$5,000+$50 - $99 / hr2 - 9
Services provided
Established in 2003, Syngis Software Development is a cloud consulting & SI company. Their team offers cloud consulting & SI and Web Development.
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$1,000+$50 - $99 / hr2 - 9
Services provided
Threesixfive DGTL is a custom software development company. The small London, England-based team offers Custom Software Development and IT strategy consulting. The firm was established in 2019.
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$5,000+$50 - $99 / hr50 - 249Singapore
Services provided
1CloudHub is an IT managed services company. Their team is in Singapore and Chennai, India and provides IT managed services and cloud consulting & SI.
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$1,000+$25 - $49 / hr2 - 9
Services provided
Small web development firm Novawork, is in Enterprise, Nevada. The team offers Web Development and Mobile App Development.
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$1,000+$200 - $300 / hr10 - 49Winooski, VT
Services provided
Established in 2009, Aerie is an AI company. The team focuses on Artificial Intelligence and Enterprise App Modernization and is in Winooski, Vermont and Charlotte, North Carolina.
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$10,000+$25 - $49 / hr50 - 249Al Ain, United Arab Emirates
Services provided
Innohub is a Cybersecurity company. They specialize in Cybersecurity and Artificial Intelligence and are headquartered in Al Ain, United Arab Emirates and Kyiv, Ukraine.
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$5,000+$25 - $49 / hr50 - 249Itasca, IL
Services provided
Integrative Systems is a midsize IT managed services company headquartered in Itasca, Illinois and Pune, India. Their services include IT managed services and IT staff augmentation.
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$10,000+$25 - $49 / hr50 - 249Cairo, Egypt
Services provided
EGID, a custom software development company, offers Custom Software Development and Enterprise App Modernization. The company is headquartered in Cairo, Egypt.
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$10,000+$50 - $99 / hr10 - 49Keysborough, Australia
Services provided
Xtreme Soft Solutions is a small e-commerce development firm launched in 2011. Their services include E-Commerce Development and Web Development.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
Services provided
Software development firm Agilerz Services (Private) Limited is in Lahore, Pakistan. They focus on Custom Software Development and Mobile App Development and were established in 2019.
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$5,000+$25 - $49 / hr10 - 49Cochabamba, Bolivia
Services provided
WiseDevs, a custom software development firm, specializes in Custom Software Development and IoT development. The company is headquartered in Cochabamba, Bolivia.
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$25,000+$25 - $49 / hr10 - 49Izmir, Türkiye
Services provided
Custom software development company Algomedi Information Technologies is based in Izmir, Türkiye. They provide Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr10 - 49Yerevan, Armenia
Services provided
V-Mobile, a mobile app development firm, was established in 2016. The small team provides Mobile App Development and IoT development.
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UndisclosedUndisclosed50 - 249Tampa, FL
Services provided
Amzur Technologies, Inc. Is a cloud consulting & SI company. Their team is based in Tampa, Florida. The company offers cloud consulting & SI and ERP consulting and SI.
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$10,000+$25 - $49 / hr10 - 49Guwahati, India
Services provided
See all 1 projectsCodepilot Technologies Pvt Ltd specializes in web development, providing services that include website revamps to enhance visual appeal and user engagement. Clients appreciate their vision and the thorough planning they offer, which leads to successful project outcomes such as increased website traffic. The company's leadership and technical expertise are highlighted as key strengths in delivering client satisfaction.
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UndisclosedUndisclosed10 - 49Ahmedabad, India
Services provided
Archirayan Infotech is an Enterprise App Modernization company. Established in 2011, the agency focuses on Enterprise App Modernization and Application Management & Support.
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$1,000+$25 - $49 / hr2 - 9Gurugram, India
Services provided
CloudZent Technology Services is a cloud consulting & SI company. The firm is based in Gurugram, India. Their team specializes in cloud consulting & SI and Enterprise App Modernization.
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UndisclosedUndisclosed2 - 9
Services provided
Established in 2019, Habashi Corporation, a small IT strategy consulting company, is based in Irvine, California. Their services include IT strategy consulting and IT managed services.
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UndisclosedUndisclosed10 - 49Lahore, Pakistan
Services provided
See all 2 projectsTechXpert specializes in developing and publishing mobile applications, offering valuable solutions for businesses in the arts, entertainment, and music sectors. Clients consistently praise the company for its timely delivery, effective project management, and responsive communication. TechXpert is noted for providing good value for cost and for being readily available to address client inquiries and project modifications.
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$10,000+Undisclosed50 - 249Austin, TX
Services provided
Phunware, Inc. Is a custom software development firm. Founded in 2009, the company is in Austin, Texas and. Their team specializes in Custom Software Development and Mobile App Development.
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$10,000+$100 - $149 / hr50 - 249Warszawa, Poland
Services provided
Asseco DUS, a mobile app development firm, offer Mobile App Development and Custom Software Development. They were founded in 2016.
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$5,000+$25 - $49 / hr50 - 249
Services provided
Headquartered in Zwijndrecht, Netherlands, IT22 B.V. Is a midsize custom software development company. The team specializes in Custom Software Development and Enterprise App Modernization.
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$10,000+< $25 / hr50 - 249
Services provided
Quickfox Technologies, a custom software development company, was founded in 2019. The company focuses on Custom Software Development and Web Development, and is midsize.
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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.