Top Application Modernization Services
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$5,000+$25 - $49 / hr2 - 9
Services provided
Founded in 2017, EleraSoft is a small Istanbul, Türkiye-based software development firm. Their team focuses on Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Boston, MA
Services provided
In Boston, Massachusetts, Uncut Lab, LLC is a web development firm. They provide Web Development and E-Commerce Development and were founded in 2020.
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$1,000+$25 - $49 / hr2 - 9Sahibzada Ajit Singh Nagar, India
Services provided
See all 1 projectsShifter System Technologies provides digital marketing services, specializing in traffic increase and sales enhancement for businesses. The overall feedback highlights their effective project management, timely delivery, and excellent communication, with clients appreciating the quality work and comprehensive support.
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$75,000+< $25 / hr50 - 249Nagpur, India
Services provided
See all 1 projectsWe are Group of Software Developers with one Desire in Mind & Heart to create our customers Business simple using modern IT Technologies.we develop Simple and beautiful websites & e-commerce
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$10,000+$25 - $49 / hr50 - 249Hyderabad, India
Services provided
Founded in 2010, WebileApps is a web development firm. The team focuses on Web Development and Enterprise App Modernization and is located in Hyderabad, India.
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$5,000+$50 - $99 / hr50 - 249Panamá, Panama
Services provided
FCS Consultores, an ERP consulting and SI company, is based in Panamá, Panama and San Rafael, Costa Rica. Founded in 2010, the team offers ERP consulting and SI and Enterprise App Modernization.
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$5,000+$25 - $49 / hr50 - 249Buenos Aires, Argentina
Services provided
Custom software development company FK {tech} Solutions Factory is in Buenos Aires, Argentina and Córdoba, Argentina. The team provides Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed50 - 249New York, NY
Services provided
Pirai Infotech is an user experience company. They offer UX/UI Design and Custom Software Development and are in New York, New York.
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$5,000+$25 - $49 / hr50 - 249Coimbatore, India
Services provided
Opine infotech is a cloud consulting & SI company. Their midsize team of employees is headquartered in Coimbatore, India. Their team focuses on cloud consulting & SI and Mobile App Development.
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$50,000+< $25 / hr50 - 249
Services provided
SOLIS Technology Private Limited is an AI development company. Launched in 2018, their team specializes in Artificial Intelligence and Enterprise App Modernization.
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$10,000+$25 - $49 / hr50 - 249
Services provided
AVETO CONSULTING PVT LTD is an ERP consulting and SI company. They were launched in 2015, and their services include ERP consulting and SI and Enterprise App Modernization.
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$1,000+< $25 / hr10 - 49Vadodara, India
Services provided
SantPro Technologies is a small website development company located in Vadodara, India. Their services include Web Development and E-Commerce Development.
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$10,000+$25 - $49 / hr10 - 49Special Region of Yogyakarta, Indonesia
Services provided
IT staff augmentation company MGS (Mega Giga Solusindo) provides IT staff augmentation and Enterprise App Modernization. They are in Special Region of Yogyakarta, Indonesia.
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UndisclosedUndisclosed2 - 9Sacramento, CA
Services provided
Enterprise App Modernization company Lume Consulting Group is in Sacramento, California. Established in 2018, the team focuses on Enterprise App Modernization and BI & big data consulting & SI.
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$5,000+$100 - $149 / hr2 - 9Leeds, England
Services provided
Moonfive is a website development firm. They are located in Leeds, England, and their services include Web Development and Enterprise App Modernization.
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$50,000+$150 - $199 / hr2 - 9
Services provided
Quattlebaum Services Corp, a custom software development firm, was established in 2015. They provides Custom Software Development and Enterprise App Modernization.
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$1,000+$25 - $49 / hr2 - 9
Services provided
Sublime Enterprises LLC, an ERP consulting and SI company, was established in 2018. The company offers ERP consulting and SI and IT managed services.
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$1,000+< $25 / hr10 - 49
Services provided
Fidens Web Design is an Enterprise App Modernization company. They are in Toronto, Canada. Their team provides Enterprise App Modernization and Custom Software Development.
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$25,000+$50 - $99 / hr50 - 249Madrid, Spain
Services provided
Software development firm Intelygenz is headquartered in Madrid, Spain and Redwood City, California. The team offers Custom Software Development and Artificial Intelligence.
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Undisclosed$50 - $99 / hr2 - 9Slate Hill, NY
Services provided
Global Pioneers is a Cybersecurity company established in 2014. The firm provides Cybersecurity and Web Development, and is small.
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$5,000+$150 - $199 / hr10 - 49Portsmouth, NH
Services provided
Based in Portsmouth, New Hampshire, The ATOM Group is a custom software development company. Their services include Custom Software Development and Enterprise App Modernization.
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$10,000+$100 - $149 / hr10 - 49Calgary, Canada
Services provided
Make IT Solutions, a software development firm, focuses on Custom Software Development and Enterprise App Modernization. The agency is headquartered in Calgary, Canada and Yukon, Canada.
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$10,000+$150 - $199 / hr10 - 49Austin, TX
Services provided
Assured Enterprises is a Cybersecurity company. The Austin, Texas-based firm offers Cybersecurity and Enterprise App Modernization.
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$5,000+$100 - $149 / hr10 - 49Telegraph Bay, Hong Kong
Services provided
APPTUTTi Group Limited is an Application Management & Support company. Launched in 2015, the team offers Application Management & Support and Enterprise App Modernization.
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$1,000+$25 - $49 / hr10 - 49Ostrava, Czech Republic
Services provided
Launched in 2010, Railsformers is a small Enterprise App Modernization company. Their team provides Enterprise App Modernization and Content Marketing.
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$1,000+$25 - $49 / hr10 - 49Waukee, IA
Services provided
Launched in 2012, Sysbunny is a custom software development company. The small team specializes in Custom Software Development and Mobile App Development.
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$10,000+Undisclosed10 - 49București, Romania
Services provided
Relevance Management, a business intelligence company, offer BI & big data consulting & SI and IT managed services. They were established in 2004.
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$5,000+$150 - $199 / hr10 - 49Bigfork, MN
Services provided
AfterNorth is a small Conversion Optimization company. They provide Conversion Optimization and IT managed services and were founded in 1998.
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$10,000+$50 - $99 / hr10 - 49
Services provided
TENGEN, an user experience agency, specializes in UX/UI Design and Custom Software Development. The agency is in București, Romania and Iași, Romania.
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$1,000+< $25 / hr50 - 249Kozhikode, India
Services provided
See all 1 projectsAchieve the right growth curve with the virtuous Technology Partner Lilac Infotech Pvt. Ltd. is resolved to contribute quality IT solutions and services around the globe by uniting both advanced
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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.