Top Application Modernization Services
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$5,000+< $25 / hr10 - 49
Services provided
Upbuff Technologies Pvt Ltd is an Enterprise App Modernization company located in Thiruvananthapuram, India. Their services include Enterprise App Modernization and CRM consulting and SI.
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$5,000+$50 - $99 / hr250 - 999Addison, TX
Services provided
ITech India Private Limited, an artificial intelligence firm, is located in Addison, Texas and Chennai, India. The team provides Artificial Intelligence and Enterprise App Modernization.
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$100,000+Undisclosed10 - 49Maynooth, Ireland
Services provided
SelfDID is a small Maynooth, Ireland-based Enterprise App Modernization company. Their services include Enterprise App Modernization and Blockchain.
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$5,000+$150 - $199 / hr50 - 249Libertyville, IL
Services provided
Bitovi, an Enterprise App Modernization company, is based in Libertyville, Illinois. They specialize in Enterprise App Modernization and Custom Software Development and were launched in 2007.
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$1,000+$25 - $49 / hr10 - 49Wilmington, DE
Services provided
ByteScout is a website development firm founded in 2006. Their team specializes in Web Development and Enterprise App Modernization.
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UndisclosedUndisclosed250 - 999Irvine, CA
Services provided
Launched in 2018, ThinkAiCorp, a midsize big data analytics company, is in Irvine, California. Their team specializes in BI & big data consulting & SI and Mobile App Development.
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$5,000+$150 - $199 / hr2 - 9Al Bataeh, United Arab Emirates
Services provided
AFFINTECH is an Enterprise App Modernization company in Al Bataeh, United Arab Emirates. They focus on Enterprise App Modernization and Web Development and were founded in 2021.
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$50,000+$25 - $49 / hr50 - 249Amsterdam, Netherlands
Services provided
GreatoDeal is a custom software development firm. The midsize Amsterdam, Netherlands-based team offers Custom Software Development and Web Development. The company was founded in 2016.
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$5,000+$50 - $99 / hr10 - 49London, England
Services provided
See all 1 projectsAPIBEST offers IT Managed Services, Enterprise App Modernization, E-Commerce Development, and DevOps services. However, the reviews on Clutch.co highlight significant concerns regarding the company's transparency, communication, and competence, particularly criticizing the leadership of CEO Taras Omelianenko for failing to meet commitments and delivering substandard work. The overall feedback indicates consistent delays and a lack of professional proficiency.
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$25,000+$50 - $99 / hr10 - 49Bryn Mawr, PA
Services provided
In Bryn Mawr, Pennsylvania, Graphite GTC is a software development company. They provide Custom Software Development and Enterprise App Modernization and were established in 2017.
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$1,000+Undisclosed10 - 49Muntinlupa, Philippines
Services provided
See all 1 projectsQSolutionz Philippines offers customized software development, website creation, and artificial intelligence services. Reviews highlight their effective and professional approach, timely delivery, and smooth project management. Clients appreciate their good value for cost and the ease of coordination throughout the project.
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$25,000+Undisclosed2 - 9London, England
Services provided
Launched in 2019, Yaya is an Enterprise App Modernization company. Their team specializes in Enterprise App Modernization and Product Design.
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$1,000+Undisclosed10 - 49Dublin, Ireland
Services provided
Kianda Technologies is an Enterprise App Modernization company. They are in Dublin, Ireland and have small team. They offer Enterprise App Modernization and Web Development.
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$5,000+$50 - $99 / hr2 - 9Debrecen, Hungary
Services provided
Fortizar is an Enterprise App Modernization company. In Debrecen, Hungary, the team offers Enterprise App Modernization and Custom Software Development.
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$1,000+< $25 / hr10 - 49Aligarh, India
Services provided
See all 1 projectsLETSCMS Private Limited specializes in developing custom MLM software solutions and integrating cryptocurrency payment gateways, e-commerce platforms, and APIs. Reviews consistently highlight their technical expertise, efficient project management, and client-focused approach, noting increased user engagement and secure payment processing as key outcomes. Areas for improvement include documentation, structured testing, and UI/UX enhancements.
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$5,000+$25 - $49 / hr10 - 49
Services provided
See all 3 projectsThinkogic provides services in mobile application and website development, offering customized solutions tailored to client needs across logistics, HR management, and e-commerce. Reviewers commend Thinkogic for their robust project management, timely delivery, and strong post-launch support. Clients appreciate their alignment with company values, attention to detail, and customer-centric approach, while suggesting enhancements in documentation and communication for further improvement.
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$1,000+$25 - $49 / hr10 - 49New Delhi, India
Services provided
See all 1 projectsDanip Technologies specializes in transforming work management processes, providing digital solutions tailored to company needs. Their services are cost-effective and align with client values, as highlighted by feedback praising their timely project delivery and responsive communication. Clients appreciate their supportive work culture, although minor improvements in timing are noted.
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$5,000+$100 - $149 / hr2 - 9Southampton, England
Services provided
Small user experience design company Semafor, is in Southampton, England. The team offers UX/UI Design and Product Design.
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$1,000+< $25 / hr2 - 9Noida, India
Services provided
Launched in 2024, Cybrical Tech LLP is an Enterprise App Modernization company. The team provides Enterprise App Modernization and Direct Marketing and is based in Noida, India.
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$10,000+$25 - $49 / hr250 - 999North Brunswick Township, NJ
Services provided
Midsize software development company DataChip Inc, is headquartered in North Brunswick Township, New Jersey. The team specializes in Custom Software Development and IoT development.
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$10,000+$100 - $149 / hr10 - 49Layton, UT
Services provided
Established in 2005, GURU Technologies is an app development firm. Located in Layton, Utah, the team provides Mobile App Development and Enterprise App Modernization.
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$1,000+< $25 / hr10 - 49
Services provided
See all 1 projectsCodeline Infotech LLP Codeline Infotech LLP is a software development company with over 7 years of experience delivering high-performance mobile and web applications. We’ve completed more than
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$5,000+< $25 / hr250 - 999Gurugram, India
Services provided
See all 1 projectsOodles ERP Solutions | ERP Software Development specializes in developing cloud-based Learning Management Systems (LMS) for both web and mobile platforms. The reviews highlight their professionalism, timely delivery, and willingness to work beyond regular hours, ensuring value for money. However, there were minor challenges with resource consistency and on-demand DevOps staffing.
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$50,000+$25 - $49 / hr10 - 49Poprad, Slovakia
Services provided
Founded in 2016, ADUS Technologies is a software development company. The small team provides Custom Software Development and Enterprise App Modernization.
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$1,000+< $25 / hr10 - 49Surat, India
Services provided
Founded in 2013, NetSofters LLP is an Enterprise App Modernization company. Their team offers Enterprise App Modernization and Web Development.
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$1,000+< $25 / hr2 - 9
Services provided
Tech Simians is a cloud consulting & SI company. The firm is in Mumbai, India. Their services include cloud consulting & SI and Custom Software Development.
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$5,000+< $25 / hr10 - 49Jaipur, India
Services provided
OKRUTI IT CONSULTING PRIVATE LIMITED is a Jaipur, India-based IT strategy consulting company. Founded in 2009, the team offers IT strategy consulting and cloud consulting & SI.
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$10,000+$25 - $49 / hr10 - 49Budapest, Hungary
Services provided
Indent Studio is a website development company headquartered in Budapest, Hungary. They specialize in Web Development and Mobile App Development.
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$5,000+$25 - $49 / hr2 - 9Mielec, Poland
Services provided
DKK Development is a software development firm. The Mielec, Poland-based agency was founded in 2014. Their team provides Custom Software Development and Mobile App Development.
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$5,000+$25 - $49 / hr50 - 249Hyderabad, India
Services provided
Taashee Linux Services Private Limited is a midsize Hyderabad, India-based cloud consulting & SI company. The team offers cloud consulting & SI and IT managed services.
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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.