Top Application Modernization Services
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$1,000+$25 - $49 / hr50 - 249Traverse City, MI
Services provided
Headquartered in Traverse City, Michigan, QS2 Point is a software development company. Their services include Custom Software Development and Web Development.
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$5,000+Undisclosed50 - 249Naas, Ireland
Services provided
Custom software development firm DreamDev Technologies is located in Naas, Ireland. They focus on Custom Software Development and IT staff augmentation and were launched in 2020.
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Undisclosed$50 - $99 / hr250 - 999
Services provided
Hire Asp Developer is a mobile app development company headquartered in Chicago, Illinois and. They provide Mobile App Development and Web Development.
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UndisclosedUndisclosed50 - 249Columbus, OH
Services provided
Established in 2007, Base22 LLC is an UX agency. Their team focuses on UX/UI Design and IT strategy consulting.
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$25,000+$150 - $199 / hr50 - 249Montreal, Canada
Services provided
Cognitive Group, a midsize UX design agency, is in Montreal, Canada. Their services include UX/UI Design and Web Development.
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$10,000+< $25 / hr10 - 49Rosario, Argentina
Services provided
0gaming is a software development firm. The small Rosario, Argentina-based team provides Custom Software Development and UX/UI Design. The agency was established in 2023.
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$50,000+Undisclosed2 - 9New York, NY
Services provided
EE Solutions is a small Enterprise App Modernization company launched in 2017. Their team specializes in Enterprise App Modernization and Custom Software Development.
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$25,000+Undisclosed250 - 999San Jose, CA
Services provided
Scry AI, a midsize artificial intelligence firm, is headquartered in San Jose, California and Gurugram, India. Their services include Artificial Intelligence and BI & big data consulting & SI.
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$5,000+$50 - $99 / hr10 - 49Pittsburgh, PA
Services provided
Foo Bar is a custom software development firm. They offer Custom Software Development and Enterprise App Modernization and were established in 2018. The firm is based in Pittsburgh, Pennsylvania.
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$25,000+$50 - $99 / hr2 - 9Barcelona, Spain
Services provided
Headquartered in Barcelona, Spain, The Crafters Lab is a web development company. Their services include Web Development and Custom Software Development.
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$5,000+$50 - $99 / hr50 - 249Redmond, WA
Services provided
IT strategy consulting company ABCloudz is in Redmond, Washington. They focus on IT strategy consulting and cloud consulting & SI and were launched in 2021.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
Services provided
Prisom Technology LLP is an app development company. Founded in 2013, the firm is headquartered in Ahmedabad, India. Their team offers Mobile App Development and UX/UI Design.
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$10,000+$50 - $99 / hr10 - 49Budapest, Hungary
Services provided
Amtech Systemhouse is an Enterprise App Modernization company. They focus on Enterprise App Modernization and Custom Software Development and were launched in 2009.
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$5,000+$100 - $149 / hr2 - 9Alba Iulia, Romania
Services provided
IT strategy consulting company WhiteCity Code was founded in 2017. The small team focuses on IT strategy consulting and cloud consulting & SI.
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$1,000+$25 - $49 / hr10 - 49Karachi, Pakistan
Services provided
Founded in 2019, Digital Elliptical is a small Karachi, Pakistan-based graphic design agency. Their services include Graphic Design and Custom Software Development.
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UndisclosedUndisclosed250 - 999Noida, India
Services provided
See all 1 projectsPureSoftware provides comprehensive development services, focusing on creating user-friendly e-commerce platforms with excellent UI and UX. Their clients consistently highlight the company's responsibility, timely delivery, and effectiveness in project management as key strengths. The overall feedback showcases PureSoftware's ability to deliver impactful and user-centric solutions.
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$10,000+$100 - $149 / hr10 - 49Götzis, Austria
Services provided
Antiloop GmbH, a software development company, was established in 2010. In Götzis, Austria, the team offers Custom Software Development and Enterprise App Modernization.
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$5,000+Undisclosed50 - 249Lahore, Pakistan
Services provided
GICOH Software Solutions & Cloud Services is a midsize ERP consulting and SI company. They focus on ERP consulting and SI and Enterprise App Modernization and were established in 2007.
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$50,000+$50 - $99 / hr10 - 49C1260ACA, Argentina
Services provided
See all 1 projectsQuilsoft provides specialized development services, particularly in Odoo V13 and related migrations. Reviews consistently highlight the company's profound expertise in Odoo, effective project management, and timely communication. Clients appreciate their technical proficiency and the ability to deliver ahead of schedule, although there are minor concerns regarding project estimation accuracy.
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UndisclosedUndisclosed250 - 999Waltham, MA
Services provided
AMC Bridge is a midsize custom software development company based in Waltham, Massachusetts and Wrocław, Poland. Their services include Custom Software Development and Enterprise App Modernization.
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Undisclosed$150 - $199 / hr250 - 999Brentford, England
Services provided
Business Pro Designs is an app development firm. Founded in 2007, the company is based in Brentford, England. Their team focuses on Mobile App Development and Web Design.
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UndisclosedUndisclosed250 - 999Nashville, TN
Services provided
Kanini Software Solutions is a Nashville, Tennessee-based software development company. The team offers Custom Software Development and Enterprise App Modernization.
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$25,000+$25 - $49 / hr250 - 999Bengaluru, India
Services provided
In Bengaluru, India and Austin, Texas, Soliton Technologies Pvt Ltd is a custom software development firm. Their services include Custom Software Development and Enterprise App Modernization.
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UndisclosedUndisclosed10 - 49București, Romania
Services provided
Software development company SBP Romania focuses on Custom Software Development and Mobile App Development. They are in București, Romania and Amsterdam, Netherlands.
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$5,000+$50 - $99 / hr10 - 49Ocean Springs, MS
Services provided
Brigadoon Technology, LLC is a software development firm. Established in 2017, their team provides Custom Software Development and BI & big data consulting & SI.
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$10,000+$100 - $149 / hr50 - 249Bengaluru, India
Services provided
Divum Corporate Services Pvt Ltd is a custom software development company founded in 2008. Their team focuses on Custom Software Development and Enterprise App Modernization.
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$25,000+$50 - $99 / hr50 - 249Novi Sad, Serbia
Services provided
Devtech Group is a custom software development company. The Novi Sad, Serbia-based agency specializes in Custom Software Development and Enterprise App Modernization.
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$10,000+$50 - $99 / hr50 - 249Rio de Janeiro, Brazil
Services provided
In Rio de Janeiro, Brazil, Vertigo Tecnologia is a custom software development firm. Founded in 1999, the team specializes in Custom Software Development and Enterprise App Modernization.
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$5,000+$25 - $49 / hr50 - 249Surabaya, Indonesia
Services provided
Nurosoft Consulting is a Surabaya, Indonesia-based Enterprise App Modernization company. The team provides Enterprise App Modernization and ERP consulting and SI.
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$10,000+$25 - $49 / hr250 - 999Dayton, OH
Services provided
Evoke Technologies is a custom software development firm in Dayton, Ohio and Madhapur, India. They provide Custom Software Development and UX/UI Design and were founded in 2003.
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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 -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 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 -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
34.1/40.016.8/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$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+$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+$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+$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
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.