Top Application Modernization Services
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$1,000+$25 - $49 / hr10 - 49
Services provided
WebHaxe, a social media marketing firm, is based in Sylhet, Bangladesh. The team specializes in Social Media Marketing and Search Engine Optimization.
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$10,000+$50 - $99 / hr10 - 49
Services provided
Pirc Consulting is an UX agency located in Bangkok, Thailand. Established in 2024, the team provides UX/UI Design and Custom Software Development.
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Undisclosed$25 - $49 / hr10 - 49
Services provided
Intelligent Systems and Solutions limited is a SEO company in Dhaka, Bangladesh. Established in 2017, the team specializes in Search Engine Optimization and Custom Software Development.
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$5,000+$25 - $49 / hr10 - 49
Services provided
Launched in 2025, Tech Kodainya is a small software development firm based in Ahmedabad, India. Their team provides Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49
Services provided
Launched in 2025, Sparrow Forge Ltd. Is a small custom software development firm in Dhaka, Bangladesh. Their team provides Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49
Services provided
In Lucknow, India, Now Compiler is a CRM consulting and SI company. Their services include CRM consulting and SI and IT managed services.
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$5,000+< $25 / hr10 - 49
Services provided
Small software development firm Alimcosoft, is based in Islamabad, Pakistan. Their services include Custom Software Development and Web Development.
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$1,000+$50 - $99 / hr10 - 49
Services provided
Cuetech Solutions is a website development firm founded in 2021. The team specializes in Web Development and E-Commerce Development.
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$25,000+$100 - $149 / hr10 - 49
Services provided
Elevate Labs is a small custom software development company established in 2019. Their team focuses on Custom Software Development and Artificial Intelligence.
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UndisclosedUndisclosed10 - 49
Services provided
Artificial intelligence development company Sereno is located in Mumbai, India and Bengaluru, India. They focus on Artificial Intelligence and AI Consulting and were established in 2021.
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$1,000+$25 - $49 / hr10 - 49
Services provided
Software development company ONAS SOFTWARE PRIVATE LIMITED is located in Chennai, India. The team offers Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49
Services provided
Avieron Tech Private Limited is a Blockchain company established in 2021. The team specializes in Blockchain and Web Design and is headquartered in New Delhi, India.
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$5,000+$25 - $49 / hr10 - 49
Services provided
PIENEXT is a web development company. Founded in 2024, the company is based in Buenos Aires, Argentina. Their team focuses on Web Development and Mobile App Development.
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$1,000+< $25 / hr10 - 49Rajkot, India
Services provided
VictaSoft LLP is a small app development firm founded in 2015. Their team focuses on Mobile App Development and Web Development.
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$10,000+$25 - $49 / hr10 - 49Thane, India
Services provided
GreyScript Technologies Pvt Ltd is a custom software development firm established in 2020. The firm focuses on Custom Software Development and Mobile App Development, and is small.
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UndisclosedUndisclosed10 - 49Mumbai, India
Services provided
Launched in 2025, Arutis Technologies is a software development firm. The team focuses on Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr10 - 49
Services provided
Launched in 2010, CreativeBrains is a small artificial intelligence company. Their team provides Artificial Intelligence and AI Consulting.
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$5,000+< $25 / hr10 - 49
Services provided
IDHYHA CREATIVES & TECHNOLOGIES PVT LTD is an AI Agents company. They are headquartered in Jaipur, India and have small team. They provide AI Agents and Artificial Intelligence.
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$1,000+$50 - $99 / hr2 - 9
Services provided
See all 1 projectsZylon Software offers custom website design and development services, including front-end and back-end solutions with a focus on brand marketing and automation. Overall feedback highlights their professionalism, transparent communication, and ability to deliver projects on schedule. The reviews emphasize the company's strong client investment and effective use of technologies like VueJS and JavaScript.
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$25,000+$25 - $49 / hr50 - 249
Services provided
Established in 2003, Softage LLC, a midsize software development company, is located in Wilmington, Delaware. Their team focuses on Custom Software Development and Web Development.
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$25,000+$50 - $99 / hr2 - 9Palo Alto, CA
Services provided
OpSky is an IT managed services company located in Palo Alto, California. Founded in 2025, the team focuses on IT managed services and IT strategy consulting.
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$1,000+$100 - $149 / hrFreelancer
Services provided
Drizzle Consulting is a cloud consulting & SI company. The Plano, Texas-based team specializes in cloud consulting & SI and IT strategy consulting.
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$1,000+$50 - $99 / hr2 - 9
Services provided
Villiers Vision Works (Pty) Ltd is a custom software development firm. They were established in 2011 and specialize in Custom Software Development and Web Development.
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Undisclosed$50 - $99 / hrFreelancerWoodbridge, VA
Services provided
Aysaai Technologies is a Woodbridge, Virginia-based app development firm. Established in 2021, the team provides Mobile App Development and IT strategy consulting.
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Undisclosed$25 - $49 / hrFreelancer
Services provided
Bögözi is a SEO agency. The team is in Targu Secuiesc, Romania, and their services include Search Engine Optimization and Web Development.
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Undisclosed< $25 / hrFreelancerProbolinggo, Indonesia
Services provided
FourtaDev, a website development company, is in Probolinggo, Indonesia. They specialize in Web Development and IT strategy consulting and were established in 2024.
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$1,000+$25 - $49 / hrFreelancerMadrid, Spain
Services provided
UX agency Luna Studio was launched in 2025. Headquartered in Madrid, Spain, the team focuses on UX/UI Design and Web Design.
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$5,000+$50 - $99 / hr2 - 9Albuquerque, NM
Services provided
See all 5 projectsAMWA Prods specializes in website development, UI design, and SEO optimization, providing tailored digital solutions that enhance user engagement and visibility. Reviews commend their commitment to quality and timely delivery, emphasizing their collaborative approach and personalized client service. Clients appreciate their technical expertise, especially in WordPress and troubleshooting, which distinguishes AMWA Prods as a reliable partner in the digital space.
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$5,000+$25 - $49 / hr2 - 9
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See all 1 projectsWe are a young team of professionals looking for new opportunities. We are offering web, mobile and desktop development. Our portfolio already consists of clients in the travel, services and health
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$25,000+$100 - $149 / hr2 - 9Reading, England
Services provided
See all 1 projectsAgentify offers platform development services, focusing on efficiency, bug-free performance, and market readiness. Feedback highlights the company's effective communication, project management, and deep understanding of client needs. Clients have reported positive experiences, emphasizing Agentify's ability to accelerate time-to-market and their trustworthy and organized approach.
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List of the Top 15 Legacy Modernization Services
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$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
36.9/40.019.2/20 Reviews9.9/10 Clients & Experience7.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$5,000+< $25 / hr1,000 - 9,999San Jose, CA
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 -
$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 - 9,999Atlanta, 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 -
$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 - 249Rybnik, Poland
Ability to deliver
35.1/40.017.2/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$25 - $49 / hr250 - 999Stuttgart, Germany
Ability to deliver
37.9/40.018.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% 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 -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.9/40.018/20 Reviews9.6/10 Clients & Experience9.3/10 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 -
$25,000+$50 - $99 / hr50 - 249Prague, Czech Republic
Ability to deliver
38.5/40.019.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
30.4/40.017.4/20 Reviews8.2/10 Clients & Experience4.8/10 Market PresenceService focus
60% Enterprise App Modernization40% 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.