Top Application Modernization Services
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$5,000+< $25 / hr50 - 249Indore, India
Services provided
Syscraft Information System Pvt Ltd is a software development firm. Launched in 2001, the team provides Custom Software Development and Mobile App Development.
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$10,000+$100 - $149 / hr50 - 249Maidenhead, England
Services provided
NeosAlpha is a Maidenhead, England-based IT strategy consulting company. They specialize in IT strategy consulting and Enterprise App Modernization and were established in 2020.
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UndisclosedUndisclosed50 - 249Zürich, Switzerland
Services provided
Squirro is a midsize Generative AI company. Founded in 2012, the team offers Generative AI and BI & big data consulting & SI.
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$1,000+< $25 / hr10 - 49Dhaka, Bangladesh
Services provided
Soft Valley, a custom software development firm, was founded in 2020. The team provides Custom Software Development and Web Development.
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$25,000+$25 - $49 / hr250 - 999Cork, Ireland
Services provided
The East West Initiative is a Cork, Ireland-based custom software development firm. The team provides Custom Software Development and UX/UI Design.
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Undisclosed$150 - $199 / hr10 - 49Minneapolis, MN
Services provided
LANhome TECHnologies is a cloud consulting & SI company. The Minneapolis, Minnesota-based firm provides cloud consulting & SI and IT managed services.
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$1,000+$25 - $49 / hr10 - 49Bengaluru, India
Services provided
See all 1 projectsWe are a cutting-edge technology and consulting firm. We have core knowledge of IT infrastructure design and development. We have sprung our corporation in the year 2018 and since then we have
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$5,000+$100 - $149 / hr2 - 9Villebon-sur-Yvette, France
Services provided
Headquartered in Villebon-sur-Yvette, France, OSInet is a small Microservices Architecture Services company. Their services include Microservices Architecture Services and Web Development.
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$1,000+$25 - $49 / hr10 - 49New York, NY
Services provided
Xoho Tech, Inc is a website development firm. Their team is headquartered in New York, New York. The agency specializes in Web Development and Custom Software Development.
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$1,000+< $25 / hr10 - 49Indore, India
Services provided
ByteCipher Private Limited is a company specializing in Enterprise Application Modernization, offering services that enhance efficiency, user experience, and security for legacy systems. With an impressive 100% positive feedback, clients praise their tailored solutions and expertise in cloud-native and API integrations, highlighting their commitment to scalability and adaptability.
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$1,000+Undisclosed50 - 249Singapore
Services provided
TurnKey Lender is an Enterprise App Modernization company. Established in 2014, the team focuses on Enterprise App Modernization and Artificial Intelligence. The firm is located in Singapore.
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$1,000+< $25 / hr10 - 49Rajkot, India
Services provided
Encrypted Infoweb is a software development company established in 2022. Located in Rajkot, India, the team focuses on Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr2 - 9Kryvyi Rih, Ukraine
Services provided
Founded in 2022, Digital Service is a small web development company. Their services include Web Development and Custom Software Development.
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$10,000+$25 - $49 / hr10 - 49Dublin, CA
Services provided
Established in 2019, Bayshore Intelligence Solutions is an AI firm. Their team provides Artificial Intelligence and Custom Software Development.
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$1,000+$50 - $99 / hr10 - 49
Services provided
ERP consulting and SI company Primepeak marketing specializes in ERP consulting and SI and Enterprise App Modernization. They were founded in 2023.
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$10,000+$25 - $49 / hr10 - 49Johannesburg, South Africa
Services provided
Noralogix is a Johannesburg, South Africa-based custom software development firm. Established in 2017, the team provides Custom Software Development and Enterprise App Modernization.
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$1,000+$25 - $49 / hr250 - 999shanghai xuhui area, China
Services provided
Established in 2010, FlashData is a Cybersecurity company. Their services include Cybersecurity and Enterprise App Modernization.
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$5,000+$50 - $99 / hr10 - 49
Services provided
Based in Kharkiv, Ukraine, DevPace is an artificial intelligence development company. They specialize in Artificial Intelligence and BI & big data consulting & SI.
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$1,000+$25 - $49 / hr50 - 249Doral, FL
Services provided
Iblesoft Inc. Is a midsize custom software development company headquartered in Doral, Florida and Hyderabad, India. The team provides Custom Software Development and Enterprise App Modernization.
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$100,000+$25 - $49 / hr50 - 249Saint Paul, MN
Services provided
Excel SoftSources is a software development firm. The Saint Paul, Minnesota-based agency was established in 2006. Their team offers Custom Software Development and Enterprise App Modernization.
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$5,000+$50 - $99 / hr50 - 249Sofia, Bulgaria
Services provided
Next Solutions, a midsize IT managed services company, is based in Sofia, Bulgaria. Their services include IT managed services and Custom Software Development.
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UndisclosedUndisclosed50 - 249Richmond, VA
Services provided
In Richmond, Virginia and Durham, North Carolina, Terazo is a cloud consulting & SI company. They specialize in cloud consulting & SI and ERP consulting and SI.
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$10,000+$25 - $49 / hr50 - 249Gqeberha, South Africa
Services provided
Established in 1997, CompRSA is an Enterprise App Modernization company. The midsize team offers Enterprise App Modernization and Custom Software Development.
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$10,000+$100 - $149 / hr50 - 249
Services provided
Launched in 2017, iorta Technology Solutions is a mobile app development firm. The team offers Mobile App Development and Enterprise App Modernization.
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UndisclosedUndisclosed10 - 49Tirana, Albania
Services provided
Kreatx sh.p.k, a software development firm, was founded in 2011. The agency specializes in Custom Software Development and CRM consulting and SI.
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$1,000+$25 - $49 / hr10 - 49
Services provided
Cyber Spark IT Services LTD, an Enterprise App Modernization company, was established in 2023. The team specializes in Enterprise App Modernization and Branding and is in London, England.
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$1,000+$25 - $49 / hr10 - 49Coimbatore, India
Services provided
PM Square Soft Services Private Limited, a Product Design company, was established in 2011. They focuses on Product Design and IT strategy consulting.
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$10,000+$100 - $149 / hr2 - 9Mount Forest, Canada
Services provided
Grafite Inc is a software development firm. Located in Mount Forest, Canada, the company was founded in 2015. Their services include Custom Software Development and Web Development.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
Services provided
SAPRATIGS LLP is a web design company. They provide Web Design and Custom Software Development and were established in 2017.
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$10,000+$300+ / hr250 - 999Brooklyn, NY
Services provided
Appnberry, a website development company, was established in 2011. The agency provides Web Development and Mobile App Development.
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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.