Top Application Modernization Services
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Undisclosed$25 - $49 / hr2 - 9
Services provided
Synermedia is a small Warsaw, Poland-based web design agency. The team focuses on Web Design and Custom Software Development.
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$25,000+Undisclosed2 - 9
Services provided
Clever Software Group, a custom software development firm, was founded in 2016. Located in Ferndown, England, the team provides Custom Software Development and Enterprise App Modernization.
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$25,000+$50 - $99 / hr2 - 9Cambridge, England
Services provided
Orthogonality is a Cambridge, England-based software development firm. They offer Custom Software Development and Web Development.
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$5,000+$50 - $99 / hr2 - 9Marunji, India
Services provided
Based in Marunji, India, Incquet Solutions is a small CRM consulting and SI company. Their services include CRM consulting and SI and ERP consulting and SI.
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Undisclosed$25 - $49 / hr2 - 9
Services provided
FRAI is a custom software development firm. Their team is based in Catarroja, Spain. The company offers Custom Software Development and Web Development.
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$25,000+$50 - $99 / hr2 - 9
Services provided
App Masters is a small application development firm launched in 2017. Their services include Mobile App Development and Web Development.
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UndisclosedUndisclosed2 - 9
Services provided
E-commerce development company Scantranx is located in Dover, Delaware. They offer E-Commerce Development and Web Development.
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$5,000+$25 - $49 / hr10 - 49
Services provided
See all 1 projectsBright Future Soft is a trusted software development company delivering custom management systems, ERP solutions, websites, and scalable SaaS products. We help businesses grow with reliable
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$1,000+< $25 / hr10 - 49Ahmedabad, India
Services provided
See all 1 projectsTechIQ Labs® specializes in WordPress website development, logo and graphics design, and social media marketing. Reviews highlight their high-quality standards, customer-centric approach, and ability to enhance online presence with modern, user-friendly websites that improve search engine rankings. Clients commend their professionalism, effective communication, and ability to meet or exceed expectations, fostering increased customer engagement and inquiries.
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$1,000+$25 - $49 / hr10 - 49
Services provided
Social media marketing company MiTechify focuses on Social Media Marketing and Search Engine Optimization. They were founded in 2014.
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$10,000+$100 - $149 / hr10 - 49Hang Zhou Shi, China
Services provided
JIEYue is a software development firm. Headquartered in Hang Zhou Shi, China, their small team provides Custom Software Development and Low/No Code Development. The company was established in 2023.
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$1,000+< $25 / hr10 - 49Dhaka, Bangladesh
Services provided
See all 1 projectsGPAC ERP is a comprehensive business management software designed to help businesses automate and streamline their daily operations through a single, integrated platform. Whether you operate a
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$10,000+$50 - $99 / hr10 - 49Mérignac, France
Services provided
See all 1 projectsJUNR est un studio de développement spécialisé dans la création d’outils digitaux sur mesure pour les entreprises. Nous concevons des logiciels métiers, applications web et mobiles,
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$10,000+$25 - $49 / hr10 - 49Indore, India
Services provided
See all 4 projectsOur services are designed to take your business to the next level by solving all your business problems. We help reduce the gaps that we identify in business processes and digitally
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UndisclosedUndisclosed10 - 49Forest Lake, Australia
Services provided
See all 1 projectsWe at Kerofrog are committed to developing apps that respond to real needs. But more important than the desire to meet needs is our desire to create a pleasurable experience for our
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$1,000+$25 - $49 / hr10 - 49Bhubaneswar, India
Services provided
See all 1 projectsNanovise Inc. specializes in SEO analysis, strategy, action plans, and execution. Their clients, such as Twelve and Twenty Eight, report significant improvements in Google search rankings and organic traffic. Reviews highlight their professionalism, cost-effectiveness, and effective communication, although some initial hiccups in communication were noted. Overall, they are appreciated for delivering promised results and maintaining industry-standard tools for collaboration.
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Undisclosed$25 - $49 / hr10 - 49Chennai, India
Services provided
Big Apps is a Chennai, India-based software development company. They specialize in Custom Software Development and Web Design and were founded in 1994.
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$10,000+$25 - $49 / hr10 - 49Bengaluru, India
Services provided
AppZui Technologies Pvt Ltd is a Bengaluru, India-based application development firm. The team specializes in Mobile App Development and Web Development.
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$5,000+$25 - $49 / hr10 - 49Kakkanad, India
Services provided
Codelynks Software Solutions Pvt. Ltd is an IoT development company launched in 2012. The company specializes in IoT development and Mobile App Development, and is small.
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$5,000+$25 - $49 / hr10 - 49
Services provided
Fluentsoft Inc is an ERP consulting and SI company. In Santa Clara, California and Bangalore, India, the team specializes in ERP consulting and SI and Custom Software Development.
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$5,000+< $25 / hr10 - 49Hyderabad, India
Services provided
Application development firm Inrisoft was launched in 2017. The agency provides Mobile App Development and IT strategy consulting, and is small.
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$5,000+$25 - $49 / hr10 - 49Wiesbaden, Germany
Services provided
Indus Valley Labs is a software development company launched in 2015. The firm specializes in Custom Software Development and Mobile App Development, and is small.
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$1,000+< $25 / hr10 - 49
Services provided
Xpress Web Solutionz, a custom software development firm, was launched in 2013. Headquartered in Ludhiana, India, the team offers Custom Software Development and Enterprise App Modernization.
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$5,000+$25 - $49 / hr10 - 49Oradea, Romania
Services provided
Apidemia is a small Oradea, Romania-based custom software development firm. The team provides Custom Software Development and Enterprise App Modernization.
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UndisclosedUndisclosed10 - 49Gqeberha, South Africa
Services provided
The Code Group is a software development company established in 2008. The agency specializes in Custom Software Development and Mobile App Development.
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$1,000+< $25 / hr10 - 49
Services provided
InferaSolz is an e-commerce development company. They are based in Kolkata, India and have small team. They offer E-Commerce Development and Web Development.
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$50,000+Undisclosed10 - 49
Services provided
User experience design agency Interface Matters focuses on UX/UI Design and Custom Software Development. They are in Hyderabad, India and India.
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$10,000+$25 - $49 / hr10 - 49Warszawa, Poland
Services provided
DMH Software House is a software development firm. Their team is located in Warszawa, Poland. The agency specializes in Custom Software Development and Web Development.
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$10,000+Undisclosed10 - 49Reno, NV
Services provided
Founded in 2011, Synap is a small Reno, Nevada-based software development firm. Their services include Custom Software Development and Enterprise App Modernization.
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$10,000+$25 - $49 / hr10 - 49Daugavpils, Latvia
Services provided
Established in 2007, Entrypoint is a software development company. The company specializes in Custom Software Development and Mobile App Development.
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List of the Top 15 Legacy Modernization Services
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$25,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
35.8/40.020/20 Reviews10/10 Clients & Experience5.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
37.8/40.020/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$100,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
34.7/40.019/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Southborough, MA
Ability to deliver
32.1/40.016.6/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
34/40.018.8/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
31.6/40.015.8/20 Reviews10/10 Clients & Experience5.8/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
31.3/40.017.8/20 Reviews9.8/10 Clients & Experience3.7/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$10,000+$50 - $99 / hr250 - 999Sacramento, CA
Ability to deliver
30.8/40.016.4/20 Reviews10/10 Clients & Experience4.5/10 Market PresenceService focus
80% Enterprise App Modernization20% Other -
$5,000+< $25 / hr1,000 - 9,999
Ability to deliver
30.7/40.016.2/20 Reviews10/10 Clients & Experience4.5/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
30.5/40.015.2/20 Reviews8.8/10 Clients & Experience6.6/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$25,000+$25 - $49 / hr50 - 249Agoura Hills, CA
Ability to deliver
36.4/40.020/20 Reviews10/10 Clients & Experience6.4/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249București, Romania
Ability to deliver
33.3/40.019.6/20 Reviews10/10 Clients & Experience3.7/10 Market PresenceService focus
35% Enterprise App Modernization65% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
30.1/40.015.8/20 Reviews10/10 Clients & Experience4.3/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$10,000+$25 - $49 / hr250 - 999Beijing, China
Ability to deliver
35.4/40.019.6/20 Reviews9.1/10 Clients & Experience6.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
35.6/40.020/20 Reviews10/10 Clients & Experience5.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
33.5/40.017.2/20 Reviews9.8/10 Clients & Experience6.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$150 - $199 / hr10 - 49Littleton, CO
Ability to deliver
31.8/40.017.6/20 Reviews10/10 Clients & Experience4.2/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$1,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
34.8/40.017/20 Reviews9.7/10 Clients & Experience8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$25,000+$150 - $199 / hr50 - 249Claymont, DE
Ability to deliver
33.3/40.016.6/20 Reviews10/10 Clients & Experience6.7/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.020/20 Reviews10/10 Clients & Experience7.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
35.2/40.019/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
32.3/40.016.8/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34/40.017.8/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$5,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
31.6/40.016.6/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$100 - $149 / hr10 - 49Costa Mesa, CA
Ability to deliver
32.6/40.018.6/20 Reviews10/10 Clients & Experience4/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
31.5/40.017.2/20 Reviews10/10 Clients & Experience4.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr1,000 - 9,999São Paulo, Brazil
Ability to deliver
33.4/40.016.6/20 Reviews9.9/10 Clients & Experience7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
31.4/40.016.4/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
28.2/40.016.2/20 Reviews7.8/10 Clients & Experience4.2/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr250 - 999Kropyvnytskyi, Ukraine
Ability to deliver
34.2/40.018.8/20 Reviews10/10 Clients & Experience5.4/10 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.