Top Application Modernization Services
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$5,000+$25 - $49 / hr2 - 9Nairobi, Kenya
Services provided
Nobilis Limited is a software development firm located in Nairobi, Kenya. Founded in 2015, the team focuses on Custom Software Development and Enterprise App Modernization.
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$5,000+$100 - $149 / hr2 - 9Cluj-Napoca, Romania
Services provided
Established in 2016, Code Design is an IT strategy consulting company. Their services include IT strategy consulting and cloud consulting & SI.
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Undisclosed$25 - $49 / hr50 - 249
Services provided
WeMo Technologies is a software development firm. Their services include Custom Software Development and Enterprise App Modernization.
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$1,000+< $25 / hr50 - 249Los Angeles, CA
Services provided
WideVision Technologies is a midsize custom software development firm. They offer Custom Software Development and Web Development and were founded in 2008.
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$5,000+$25 - $49 / hr10 - 49Khwaeng Bang Chak, Thailand
Services provided
DRVR is a data analytics company. They provide BI & big data consulting & SI and IoT development and are headquartered in Khwaeng Bang Chak, Thailand and Yangon, Myanmar.
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Undisclosed$200 - $300 / hrFreelancerZagreb, Croatia
Services provided
Web development firm Portobyte was launched in 2022. The team offers Web Development and Enterprise App Modernization.
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$10,000+$100 - $149 / hr2 - 9
Services provided
In Dayton, Ohio, The Scenery is a small Enterprise App Modernization company. The team specializes in Enterprise App Modernization and UX/UI Design.
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$5,000+$100 - $149 / hr10 - 49Wien, Austria
Services provided
FELGO GmbH is a mobile application development company. Their small team is in Wien, Austria and focuses on Mobile App Development and IoT development. The company was established in 2012.
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$5,000+$25 - $49 / hr2 - 9Lublin, Poland
Services provided
Grinder Crew is a small web design company. They focus on Web Design and UX/UI Design and were founded in 2020.
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$10,000+$100 - $149 / hr2 - 9Frankfurt am Main, Germany
Services provided
Metadist data management GmbH is a Frankfurt am Main, Germany-based software development firm. Founded in 2001, the team specializes in Custom Software Development and Digital Strategy.
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$10,000+$50 - $99 / hr250 - 999Columbus, OH
Services provided
Founded in 2012, Devfi, Inc is a midsize data analytics company. Their services include BI & big data consulting & SI and IT staff augmentation.
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Undisclosed< $25 / hr10 - 49Ahmedabad, India
Services provided
stepin solutions provides ERP consulting, system integration, and web development services. The reviews highlight their technical proficiency, customer-focused approach, and ability to deliver high-quality work on time. Clients appreciate their dedication to understanding unique requirements and their creative solutions, resulting in improved project outcomes and significant client satisfaction.
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$5,000+$25 - $49 / hr10 - 49Pune, India
Services provided
CodePolicy Technologies, an IT staff augmentation company, is based in Pune, India. They provide IT staff augmentation and Web Development.
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$1,000+< $25 / hr50 - 249
Services provided
Oompitech is a software development company. They were launched in 2019, and their services include Custom Software Development and E-Commerce Development.
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$1,000+$25 - $49 / hr50 - 249Dharga, India
Services provided
Established in 2009, Prematix Software Solution Private Limited is a midsize custom software development firm. Their team focuses on Custom Software Development and Enterprise App Modernization.
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$1,000+$25 - $49 / hr50 - 249Kozhikode, India
Services provided
Logiology Solutions Pvt. Ltd. Is a custom software development company. They were founded in 2014, and their services include Custom Software Development and Web Development.
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$10,000+$300+ / hr50 - 249Zielona Góra, Poland
Services provided
Software development firm Streamsoft LTD is in London, England and Zielona Góra, Poland. Their services include Custom Software Development and E-Commerce Development.
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$5,000+< $25 / hr50 - 249Singapore, Singapore
Services provided
Business intelligence company PGI Data was established in 2018. The midsize team focuses on BI & big data consulting & SI and ERP consulting and SI.
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UndisclosedUndisclosed250 - 999Bengaluru, India
Services provided
Data Semantics, a business intelligence company, was established in 2012. They specializes in BI & big data consulting & SI and Artificial Intelligence.
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$5,000+Undisclosed250 - 999Grassobbio, Italy
Services provided
SORINT.lab is an IT staff augmentation company. The Grassobbio, Italy-based agency was launched in 1985. Their services include IT staff augmentation and IT managed services.
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UndisclosedUndisclosed250 - 999Bengaluru, India
Services provided
Founded in 2000, MicroGenesis Techsoft Pvt. Ltd. Is an IT managed services company. The team provides IT managed services and Robotics Process Automation.
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$25,000+$25 - $49 / hr250 - 999Amsterdam, Netherlands
Services provided
Architectural Design company OBSS Tech is based in Amsterdam, Netherlands. The team focuses on Architectural Design and IT staff augmentation.
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$250,000+Undisclosed250 - 999Los Angeles, CA
Services provided
AAXIS Digital is an e-commerce development company. Headquartered in Los Angeles, California, the firm was founded in 2001. Their services include E-Commerce Development and DevOps Managed Services.
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$1,000+$25 - $49 / hr250 - 999Pune, India
Services provided
Cloud consulting & SI company i-Source Infosystems is headquartered in Pune, India. Founded in 2003, the team focuses on cloud consulting & SI and IT strategy consulting.
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$25,000+$300+ / hr250 - 999
Services provided
Founded in 1995, TXP Technology x People is an IT strategy consulting company. In Marston Green, England, the team focuses on IT strategy consulting and IT managed services.
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UndisclosedUndisclosed10 - 49Brookfield, WI
Services provided
Ictect, Inc. Is a software development firm and Enterprise App Modernization company founded in 2008. Their team offers Custom Software Development and Enterprise App Modernization.
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$1,000+< $25 / hr50 - 249
Services provided
See all 1 projectsAppicoders offers mobile app design and development services, with a focus on healthcare solutions. Clients commend Appicoders for their user-friendly interfaces and robust functionality, achieved through an agile project management approach. The company is praised for its professionalism, personalized client interaction, and timely delivery of milestones, though some suggest the inclusion of post-launch marketing support.
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$5,000+$25 - $49 / hr50 - 249Rio de Janeiro, Brazil
Services provided
IInterativa, a midsize mobile application development company, is located in Rio de Janeiro, Brazil. Their services include Mobile App Development and Enterprise App Modernization.
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$100,000+$50 - $99 / hr50 - 249Warszawa, Poland
Services provided
Primaris Services is a custom software development company. Based in Warszawa, Poland and Berlin, Germany, the team specializes in Custom Software Development and BI & big data consulting & SI.
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Undisclosed$25 - $49 / hr50 - 249Szeged, Hungary
Services provided
Founded in 2001, FrontEndART Software Ltd. Is a midsize Szeged, Hungary-based software development company. Their team focuses on Custom Software Development and Application Testing.
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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.