Top Application Modernization Services
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UndisclosedUndisclosed10 - 49Bnei Brak, Israel
Services provided
Linnovate is a custom software development company. Established in 2006, the company specializes in Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49Los Angeles, CA
Services provided
Xano, Inc. Is a Los Angeles, California-based website development firm. Their services include Web Development and Custom Software Development.
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UndisclosedUndisclosed10 - 49
Services provided
I-ways sales solutions GmbH is a software development company headquartered in Berlin, Germany. Founded in 2001, the team focuses on Custom Software Development and IT strategy consulting.
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UndisclosedUndisclosed10 - 49Dayton, OH
Services provided
Entegrity Consulting Group, LLC, a Cybersecurity company, was launched in 2016. The team focuses on Cybersecurity and IT managed services.
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Undisclosed$25 - $49 / hr10 - 49Lalor, Australia
Services provided
Dicom Interactive, an Application Management & Support company, was founded in 2019. They provides Application Management & Support and Enterprise App Modernization.
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$10,000+$50 - $99 / hr2 - 9Salò, Italy
Services provided
One AM SRL is a web development firm. Headquartered in Salò, Italy, their small team offers Web Development and Custom Software Development. The firm was launched in 2020.
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$10,000+$25 - $49 / hr50 - 249Budapest, Hungary
Services provided
GetDev.io, a midsize social media marketing company, is based in Budapest, Hungary. The team focuses on Social Media Marketing and IT staff augmentation.
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UndisclosedUndisclosed2 - 9Mechelen, Belgium
Services provided
See all 1 projectsStormHub offers software development and infrastructure management services, specializing in full-stack e-commerce web applications and custom admin portals. Reviews highlight their prompt delivery, professionalism, and good value for cost. Areas for improvement include enhancing the custom admin portal and ease of data access. Overall, StormHub demonstrates availability and responsiveness, making them a reliable partner for technological solutions.
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$5,000+$25 - $49 / hr2 - 9
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In Pune, India, DevRevel is a software development firm. Their services include Custom Software Development and Web Development.
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$5,000+$50 - $99 / hr2 - 9Trabzon / Ortahisar, Türkiye
Services provided
Established in 2008, EASISTEM YAZILIM is a custom software development firm. The small team specializes in Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49
Services provided
See all 1 projectsAt Eonovate, we help businesses move faster by automating workflows and streamlining operations with tailored digital solutions. Our team builds web, mobile, and blockchain applications that
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$10,000+$50 - $99 / hr10 - 49
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See all 1 projectsSoftware that runs what matters. DevoraOne builds systems for enterprises and governments that can’t afford to fail. From defense to banking, healthcare to logistics, we engineer secure,
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$50,000+$150 - $199 / hr10 - 49Madrid, Spain
Services provided
See all 1 projectsArus Defence specializes in developing documentation systems that are interactive, multiplatform, and easy to use, utilizing an innovative and cost-efficient low-code approach. The reviews highlight the company's fast development capacity, experienced team, and effective project management. While clients appreciate their unique methodology and rapid prototyping, there is a desire for increased points of contact due to the company's smaller size.
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$75,000+$100 - $149 / hr10 - 49San Diego, CA
Services provided
See all 1 projectsVault R&D specializes in comprehensive software development and strategic consulting, particularly for healthcare platforms, with a focus on enhancing user experience, security, and workflow optimization. Clients consistently commend their client-centric, innovative approach that delivers significant business impact and measurable outcomes, such as reduced documentation errors and improved reimbursement rates, while maintaining excellent project management and collaborative communication.
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$1,000+$25 - $49 / hr10 - 49Wrocław, Poland
Services provided
Delta Unit is a software development company launched in 2011. The team specializes in Custom Software Development and Enterprise App Modernization.
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$1,000+$50 - $99 / hr10 - 49Bengaluru, India
Services provided
Flawless99 deal is a software development company. Their small team is located in Bengaluru, India. Their services include Custom Software Development and Enterprise App Modernization.
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$5,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
Services provided
WonderLabs Ukraine is an application development company headquartered in Kyiv, Ukraine and Singapore, Singapore. Their services include Mobile App Development and Enterprise App Modernization.
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$25,000+$25 - $49 / hr10 - 49Auckland, New Zealand
Services provided
ExperionTRx is a custom software development company founded in 2019. Based in Auckland, New Zealand, the team focuses on Custom Software Development and Web Development.
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$10,000+$25 - $49 / hr10 - 49Warszawa, Poland
Services provided
Elefante is an IT staff augmentation company. Headquartered in Warszawa, Poland, their team provides IT staff augmentation and Enterprise App Modernization.
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$10,000+$50 - $99 / hr10 - 49Belgrade, Serbia
Services provided
Code Reflect is an IT staff augmentation company. They specialize in IT staff augmentation and Custom Software Development and are located in Belgrade, Serbia.
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$5,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
Services provided
Gear Six is a small Sofia, Bulgaria-based custom software development firm. Their services include Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49Ciudad de Guatemala, Guatemala
Services provided
CIBINET, a custom software development firm, was founded in 2010. The team offers Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr10 - 49Ciudad de México, Mexico
Services provided
Silogik, a custom software development company, is located in Ciudad de México, Mexico. The team specializes in Custom Software Development and Enterprise App Modernization.
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$50,000+$50 - $99 / hr10 - 49Earley, England
Services provided
Launched in 2019, VA Software Solutions ltd is a custom software development company. Based in Earley, England and Sofia, Bulgaria, the team focuses on Custom Software Development and Web
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$10,000+$25 - $49 / hr10 - 49
Services provided
NexusesDev is an Enterprise App Modernization company headquartered in Lahore, Pakistan. Their services include Enterprise App Modernization and Digital Strategy.
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$5,000+$25 - $49 / hr10 - 49Timișoara, Romania
Services provided
CloudPost is an AI development company. Founded in 2022, the firm specializes in Artificial Intelligence and Enterprise App Modernization.
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$1,000+Undisclosed10 - 49Kyiv, Ukraine
Services provided
Duanex is a small software development firm in Kyiv, Ukraine. Their services include Custom Software Development and Enterprise App Modernization.
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$1,000+< $25 / hr10 - 49Pune, India
Services provided
Launched in 2021, Zylon Technologies is an Application Management & Support company. The team focuses on Application Management & Support and Enterprise App Modernization.
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$25,000+$25 - $49 / hr10 - 49
Services provided
MVCode is an Architectural Design company. In Kharkiv, Ukraine, the company was launched in 2021. Their services include Architectural Design and Web Development.
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$1,000+$25 - $49 / hr10 - 49Sinnar, India
Services provided
CodePro Technologies is an e-commerce development company. The team offers E-Commerce Development and Enterprise App Modernization, and the agency is headquartered in Sinnar, India.
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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 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 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 -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
37.5/40.019/20 Reviews10/10 Clients & Experience8.5/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$25,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35.2/40.017.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Enterprise App Modernization90% 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 -
$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 -
$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
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.7/40.019.8/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
37.3/40.017.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% 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 -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
38.4/40.018.8/20 Reviews10/10 Clients & Experience9.6/10 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 -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
32.1/40.017.4/20 Reviews9.8/10 Clients & Experience4.8/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
33.7/40.016.4/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$50,000+$150 - $199 / hr50 - 249Montréal, Canada
Ability to deliver
37.5/40.017.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$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+$50 - $99 / hr50 - 249Prague, Czech Republic
Ability to deliver
39.2/40.020/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$100 - $149 / hr50 - 249Belfast, Northern Ireland
Ability to deliver
37/40.017.2/20 Reviews10/10 Clients & Experience9.8/10 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+$50 - $99 / hr50 - 249Toronto, Canada
Ability to deliver
37.9/40.020/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
15% Enterprise App Modernization85% 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 -
$100,000+$25 - $49 / hr50 - 249Melbourne, Australia
Ability to deliver
32.7/40.016.2/20 Reviews8.4/10 Clients & Experience8.1/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$25,000+$50 - $99 / hr50 - 249Rybnik, Poland
Ability to deliver
34.7/40.016.8/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
30% Enterprise App Modernization70% 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.