Top Application Modernization Services
-
$5,000+$50 - $99 / hr10 - 49Limassol, Cyprus
Services provided
K1 CORE is a Blockchain company. They are in Limassol, Cyprus and have small team. They provide Blockchain and Custom Software Development.
Read more -
$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.
Read more -
$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.
Read more -
UndisclosedUndisclosed50 - 249Towson, MD
Services provided
Headquartered in Towson, Maryland, Motifworks is an IT strategy consulting company. They provide IT strategy consulting and BI & big data consulting & SI and were founded in 2010.
Read more -
$1,000+$25 - $49 / hr2 - 9
Services provided
AI Agents company Crow Agency AI was founded in 2026. The team specializes in AI Agents and AI Consulting.
Read more -
$25,000+$150 - $199 / hr10 - 49
Services provided
Founded in 2013, DJANTA Solutions, a small Enterprise App Modernization company, is headquartered in Houston, Texas. Their services include Enterprise App Modernization and ECM consulting and SI.
Read more -
$5,000+< $25 / hr10 - 49Ahmedabad, India
Services provided
Launched in 2012, Stimulus Co, a small custom software development firm, is headquartered in Ahmedabad, India. Their team offers Custom Software Development and Enterprise App Modernization.
Read more -
$5,000+Undisclosed2 - 9Bengaluru, India
Services provided
Metagens.ai is an Enterprise App Modernization company established in 2026. The agency offers Enterprise App Modernization and Compliance Consulting, and is small.
Read more -
$25,000+$100 - $149 / hr2 - 9
Services provided
Perikle, an Enterprise App Modernization company, was established in 2025. They focuses on Enterprise App Modernization and other IT consulting and SI.
Read more -
$1,000+$25 - $49 / hr2 - 9
Services provided
Rugved Total Solutions is a custom software development firm. The small Ahmedabad, India-based team offers Custom Software Development and Enterprise App Modernization. The agency was founded in
Read more -
UndisclosedUndisclosed50 - 249Pedra Branca, Brazil
Services provided
Evoluum is an app development company. They are based in Pedra Branca, Brazil and have midsize team of experts. Their services include Mobile App Development and Custom Software Development.
Read more -
UndisclosedUndisclosed250 - 999Bridgewater Township, NJ
Services provided
Zealogics INC is an Engineering company established in 2012. Their team provides Engineering and IT managed services.
Read more -
$5,000+$25 - $49 / hr2 - 9Prague , Czech Republic
Services provided
GigaNeo is a software development company. Founded in 2016, their team specializes in Custom Software Development and Mobile App Development.
Read more -
$5,000+$50 - $99 / hr2 - 9
Services provided
Platform pro is a cloud consulting & SI company located in Vitoria, Brazil. Established in 2024, the team specializes in cloud consulting & SI and Low/No Code Development.
Read more -
$1,000+$25 - $49 / hr250 - 999Albuquerque, NM
Services provided
ERP consulting and SI company MarkupChop was launched in 2014. Based in Albuquerque, New Mexico, the team specializes in ERP consulting and SI and Artificial Intelligence.
Read more -
UndisclosedUndisclosed10 - 49Seattle, WA
Services provided
Pivotal Consulting, a cloud consulting & SI company, is based in Seattle, Washington. The team offers cloud consulting & SI and Enterprise App Modernization.
Read more -
$1,000+$25 - $49 / hr10 - 49Calgary, Canada
Services provided
See all 1 projectsVBIntelz specializes in digital marketing and design services, providing strong value through effective advertising strategies. The reviews highlight their role in significantly enhancing business visibility and accelerating growth. Clients commend their dedication and expertise, which have been pivotal in achieving rapid and sustainable success while maintaining alignment with company values.
-
$1,000+< $25 / hr10 - 49Jaipur, India
Services provided
Soft Futura is an app development company in Jaipur, India. Launched in 2019, the team offers Mobile App Development and Web Development.
Read more -
$10,000+$50 - $99 / hr50 - 249Romford, England
Services provided
Genius Logix is a Romford, England-based software development firm. The team focuses on Custom Software Development and ERP consulting and SI.
Read more -
$25,000+$100 - $149 / hr10 - 49Andorra la Vella, Andorra
Services provided
Established in 2013, Brilliant Consulting is a software development company. The small team provides Custom Software Development and IT strategy consulting.
Read more -
$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.
Read more -
UndisclosedUndisclosed10 - 49Sacramento, CA
Services provided
UX design agency blueriver was launched in 2010. The team focuses on UX/UI Design and Custom Software Development.
Read more -
$25,000+$150 - $199 / hr10 - 49Waterloo, IA
Services provided
Low/No Code Development company Redstone Content Solutions was launched in 2008. The team provides Low/No Code Development and Enterprise App Modernization and is in Waterloo, Iowa.
Read more -
$100,000+$50 - $99 / hr250 - 999Bitola, North Macedonia
Services provided
IWConnect is an AI Consulting company. Their midsize team is based in Bitola, North Macedonia and focuses on AI Consulting and Custom Software Development. The company was founded in 2004.
Read more -
$1,000+$25 - $49 / hr10 - 49Lahore, Pakistan
Services provided
See all 2 projectsKodex Technologies is a web development company, as suggested by the services they were hired for, that has demonstrated significant challenges in project delivery and communication, according to client feedback. The review available is overwhelmingly negative, citing issues such as incomplete project delivery, communication problems, and unfulfilled promises, with the reviewer expressing dissatisfaction and advising against collaboration with Kodex Technologies.
-
$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.
Read more -
$5,000+$50 - $99 / hr10 - 49
Services provided
Launched in 2021, Trigger Software is a custom software development firm. The small team offers Custom Software Development and Mobile App Development.
Read more -
$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.
Read more -
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.
Read more -
$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.
Read more
Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.
Get My Matches
Tell us what you need — we’ll match you with top agencies in minutes.
Get My MatchesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition
This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.
List of the Top 15 Legacy Modernization Services
-
$25,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
39.3/40.019.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
39.1/40.020/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$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 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 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 -
$10,000+$25 - $49 / hr1,000 - 9,999Southborough, MA
Ability to deliver
37.2/40.017.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr250 - 999Sacramento, CA
Ability to deliver
34.2/40.016.4/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
80% Enterprise App Modernization20% Other -
$25,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 / hr50 - 249Agoura Hills, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
33.8/40.018.2/20 Reviews9.8/10 Clients & Experience5.7/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$5,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
37.2/40.017.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249București, Romania
Ability to deliver
35.9/40.020/20 Reviews10/10 Clients & Experience5.9/10 Market PresenceService focus
35% Enterprise App Modernization65% Other -
$10,000+< $25 / hr250 - 999Ahmedabad, India
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 - 9,999Kraków, Poland
Ability to deliver
38.7/40.019/20 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
36.6/40.016.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
Undisclosed$150 - $199 / hr250 - 999London, England
Ability to deliver
36.4/40.017.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.3/40.018.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
36/40.016.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr250 - 999Kropyvnytskyi, Ukraine
Ability to deliver
38.9/40.019.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
35.8/40.016.4/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$100 - $149 / hr10 - 49Costa Mesa, CA
Ability to deliver
36.8/40.018/20 Reviews10/10 Clients & Experience8.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
Undisclosed$25 - $49 / hr250 - 999Toronto, Canada
Ability to deliver
37.1/40.017.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
39.6/40.019.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr50 - 249Houston, TX
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35.6/40.017.6/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
Undisclosed$25 - $49 / hr250 - 999Beijing, China
Ability to deliver
36.8/40.020/20 Reviews7.2/10 Clients & Experience9.6/10 Market PresenceService focus
15% Enterprise App Modernization85% 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.