Top Application Modernization Services
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$50,000+Undisclosed50 - 249Zagreb, Croatia
Services provided
CROZ is an Enterprise App Modernization company located in Zagreb, Croatia. Their services include Enterprise App Modernization and cloud consulting & SI.
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UndisclosedUndisclosed1,000 - 9,999San Mateo, CA
Services provided
Founded in 2003, Augmentum, Inc. Is a software development firm and Enterprise App Modernization company. Their services include Custom Software Development and Enterprise App Modernization.
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$10,000+Undisclosed250 - 999Baarn, Netherlands
Services provided
CoMakeIT is a Baarn, Netherlands-based Enterprise App Modernization company. Their services include Enterprise App Modernization and Custom Software Development.
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UndisclosedUndisclosed250 - 999Menlo Park, CA
Services provided
Kumaran Systems is a Menlo Park, California-based Enterprise App Modernization company. Founded in 1991, the team focuses on Enterprise App Modernization and BI & big data consulting & SI.
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$10,000+$25 - $49 / hr10 - 49
Services provided
Cybersoft North America Inc. Is a small web design company based in Houston, Texas and Lahore, Pakistan. The team focuses on Web Design and cloud consulting & SI.
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$5,000+$50 - $99 / hr10 - 49
Services provided
Importare Software, a custom software development company, was launched in 2015. They focuses on Custom Software Development and IT strategy consulting.
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$25,000+$50 - $99 / hr50 - 249Tangerang, Indonesia
Services provided
Commsult Indonesia, a midsize custom software development firm, is headquartered in Tangerang, Indonesia. Their services include Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr10 - 49Wrocław, Poland
Services provided
Established in 2023, Devone Software is a small custom software development firm. Their team focuses on Custom Software Development and Enterprise App Modernization.
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$25,000+Undisclosed250 - 999Bristol, England
Services provided
Software development firm Amdaris is based in Bristol, England and Dubai, United Arab Emirates. The team specializes in Custom Software Development and Enterprise App Modernization.
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$10,000+$25 - $49 / hr250 - 999Southfield, MI
Services provided
See all 1 projectsTrajectus offers software architecture, development, and bespoke development services. The reviews consistently highlight their expertise, timely project management, and ability to deliver actionable outcomes. Clients appreciate Trajectus for their strong alignment with company values and excellent communication, resulting in high satisfaction with the project results.
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$100,000+$50 - $99 / hr50 - 249Prague, Czech Republic
Services provided
Stratox Enterprises, an Enterprise App Modernization company, is located in Prague, Czech Republic. They provide Enterprise App Modernization and Custom Software Development.
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UndisclosedUndisclosed50 - 249Shilaj, India
Services provided
Launched in 1991, SourcePro Infotech Pvt. Ltd. Is an ERP consulting and SI and Enterprise App Modernization company. Their team specializes in ERP consulting and SI and Enterprise App Modernization.
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$10,000+$50 - $99 / hr2 - 9Ostrava, Czech Republic
Services provided
Thybit is a custom software development firm. In Ostrava, Czech Republic and Prague, Czech Republic, the agency was founded in 2019. Their team provides Custom Software Development and
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$5,000+$50 - $99 / hr2 - 9Edmonton, Canada
Services provided
Swordmonkey Studios Inc. Is a software development company founded in 2021. The agency focuses on Custom Software Development and Web Development.
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$10,000+$50 - $99 / hr10 - 49Lisboa, Portugal
Services provided
Blue Screen IT Solutions is a Lisboa, Portugal-based Enterprise App Modernization company. Launched in 2000, the team offers Enterprise App Modernization and IT managed services.
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$10,000+$100 - $149 / hr10 - 49Histon, England
Services provided
Founded in 2013, Fluent is an IT staff augmentation company. The small team offers IT staff augmentation and Product Design.
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$5,000+< $25 / hr2 - 9Bakı, Azerbaijan
Services provided
AzDimension is an Enterprise App Modernization company. The team is headquartered in Bakı, Azerbaijan, and their services include Enterprise App Modernization and Mobile App Development.
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$1,000+$25 - $49 / hr50 - 249
Services provided
Ibda Dynamics, an IT staff augmentation company, is in Abu Dhabi, United Arab Emirates. The team focuses on IT staff augmentation and Enterprise App Modernization.
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$1,000+$50 - $99 / hr10 - 49Bruxelles, Belgium
Services provided
Founded in 2016, PREGIOTEK, a small Enterprise App Modernization company, is based in Bruxelles, Belgium. Their services include Enterprise App Modernization and IT strategy consulting.
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$5,000+$150 - $199 / hr10 - 49Chicago, IL
Services provided
Launched in 2020, Kumo Partners is a small Chicago, Illinois-based Enterprise App Modernization company. Their services include Enterprise App Modernization and IT strategy consulting.
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UndisclosedUndisclosed50 - 249Ciudad de México, Mexico
Services provided
AddControl is a midsize Ciudad de México, Mexico-based ERP consulting and SI and Enterprise App Modernization company. Their services include ERP consulting and SI and Enterprise App Modernization.
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$5,000+$25 - $49 / hr50 - 249
Services provided
ERP consulting and SI and Enterprise App Modernization company Odolution specializes in ERP consulting and SI and Enterprise App Modernization. They were established in 2022.
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$1,000+Undisclosed10 - 49Cheyenne, WY
Services provided
Enterprise App Modernization company Ozgar AI focuses on Enterprise App Modernization and Artificial Intelligence. They were established in 2024.
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UndisclosedUndisclosed10 - 49Athina, Greece
Services provided
NUS Solutions is a custom software development firm in Athina, Greece. The team focuses on Custom Software Development and cloud consulting & SI.
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$10,000+$25 - $49 / hr10 - 49Seattle, WA
Services provided
Amberteq is a small Enterprise App Modernization company. Founded in 2018, the team offers Enterprise App Modernization and cloud consulting & SI.
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$10,000+$50 - $99 / hr250 - 999Farmington Hills, MI
Services provided
Softura is a midsize Farmington Hills, Michigan-based Application Management & Support company. Their services include Application Management & Support and Enterprise App Modernization.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
Services provided
See all 1 projectsVGD Technologies is a Top-Rated, Award-Winning IT company delivering cutting-edge technology solutions across Mobile App Development, Web Development, Custom Software, UI/UX Design, ERP/CRM, Cloud,
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UndisclosedUndisclosed50 - 249Lenexa, KS
Services provided
Keyhole Software is a software development company based in Lenexa, Kansas. Their services include Custom Software Development and Enterprise App Modernization.
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$1,000+$50 - $99 / hr2 - 9
Services provided
See all 2 projectsClear App Development is a mobile app development company with diverse feedback from clients. One review highlights their failure to deliver a functional product, with poor communication and unfulfilled promises, resulting in financial disputes. Conversely, another client praises their excellent communication and project management, resulting in a successful app, although the project eventually ceased. Approximately 50% of reviewers mention communication as a key theme in their feedback.
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$25,000+$25 - $49 / hr10 - 49Pimpri-Chinchwad, India
Services provided
Launched in 1996, Mechsoft Digital Technologies is a custom software development firm. The firm specializes in Custom Software Development and Mobile App Development, and is small.
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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
39.7/40.020/20 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 -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
36.3/40.018.6/20 Reviews9.9/10 Clients & Experience7.8/10 Market PresenceService focus
30% Enterprise App Modernization70% 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 -
$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.