Top Application Modernization Services
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$10,000+$25 - $49 / hr50 - 249
Services provided
Launched in 2015, Heptagon Technologies Pvt. Ltd. Is a midsize Bengaluru, India-based software development company. Their team provides Custom Software Development and Enterprise App Modernization.
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$50,000+$150 - $199 / hr50 - 249Liverpool, England
Services provided
Yozu is a midsize custom software development firm founded in 2013. Their team focuses on Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed1,000 - 9,999Houston, TX
Services provided
Kastech Software Solutions Group is an IT strategy consulting company. They focus on IT strategy consulting and cloud consulting & SI and are headquartered in Houston, Texas and Hyderabad, India.
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$10,000+$50 - $99 / hr1,000 - 9,999Noida, India
Services provided
Nippon Data , a cloud consulting & SI company, is in Noida, India. Their services include cloud consulting & SI and CRM consulting and SI.
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$5,000+$25 - $49 / hr50 - 249
Services provided
Xcelligen is a cloud consulting & SI company. Launched in 2014, the firm is based in Herndon, Virginia. Their services include cloud consulting & SI and Cybersecurity.
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$75,000+$50 - $99 / hr2 - 9Central, Hong Kong
Services provided
Visichain is a software development company. They are located in Central, Hong Kong, and their services include Custom Software Development and Enterprise App Modernization.
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$10,000+$50 - $99 / hr2 - 9
Services provided
Handmade Software is a software development company. They are based in Amsterdam, Netherlands and have small team. They offer Custom Software Development and Enterprise App Modernization.
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$5,000+$25 - $49 / hr10 - 49Indore, India
Services provided
SoftGetix Inc. Is a small custom software development company established in 2013. Their services include Custom Software Development and Enterprise App Modernization.
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UndisclosedUndisclosed10 - 49Arlington, VA
Services provided
Eminent IT LLC is an Enterprise App Modernization company. Based in Arlington, Virginia, the company was launched in 2009. Their services include Enterprise App Modernization and IT managed
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UndisclosedUndisclosed10 - 49Mount Waverley, Australia
Services provided
Infocomm Software is a small Mount Waverley, Australia-based custom software development firm. Their services include Custom Software Development and Enterprise App Modernization.
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$50,000+$200 - $300 / hr10 - 49Carlsbad, CA
Services provided
Launched in 2000, RemedyOne, a small custom software development company, is in Carlsbad, California. Their services include Custom Software Development and Web Development.
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$10,000+< $25 / hr10 - 49Pune, India
Services provided
Techprimelab Software Pvt. Ltd. Is a small software development firm headquartered in Pune, India. The team specializes in Custom Software Development and Web Development.
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$10,000+$100 - $149 / hr10 - 49Kempten (Allgäu), Germany
Services provided
Founded in 2016, Skytala GmbH is a small Kempten (Allgäu), Germany-based software development firm. Their team offers Custom Software Development and Web Development.
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$10,000+$25 - $49 / hr2 - 9Gdynia, Poland
Services provided
Web24.com.pl Sp. Z o.o. Is a web development firm launched in 2008. Their services include Web Development and Web Design.
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$10,000+$50 - $99 / hr50 - 249Sofia, Bulgaria
Services provided
See all 2 projectsDevocean Services specializes in Enterprise App Modernization, focusing on overhauling legacy systems and improving data management solutions. Their clients consistently praise their expertise in modernizing enterprise applications, effective project management, and impressive performance improvements, such as a 200% increase in system responsiveness. Their transparent and collaborative approach ensures smooth project execution and client satisfaction.
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$1,000+$50 - $99 / hr2 - 9
Services provided
Small IT managed services company Decade3, is in Leeds, England. Their services include IT managed services and Custom Software Development.
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$100,000+$100 - $149 / hr10 - 49Overland Park, KS
Services provided
Integrity Inspired Solutions is a custom software development company. The agency is based in Overland Park, Kansas. Their team specializes in Custom Software Development and Web Development.
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$25,000+$25 - $49 / hr10 - 49Florianopolis, Brazil
Services provided
Elint is a custom software development firm. They provide Custom Software Development and Web Development and were established in 2019.
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$10,000+$25 - $49 / hr10 - 49Panama City, Panama
Services provided
IDEATI is a small software development company. They provide Custom Software Development and BI & big data consulting & SI and were established in 2009.
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$10,000+$25 - $49 / hr10 - 49Las Condes, Chile
Services provided
Hyperz, a web development company, is located in Las Condes, Chile. Their services include Web Development and Enterprise App Modernization.
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Undisclosed$25 - $49 / hr10 - 49
Services provided
Rising Technologies, an e-commerce development company, was established in 2020. Headquartered in Lahore, Pakistan, the team focuses on E-Commerce Development and Enterprise App Modernization.
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$10,000+$50 - $99 / hr10 - 49İzmir, Türkiye
Services provided
90 Pixel is a custom software development firm. The İzmir, Türkiye-based agency was established in 2016. Their team focuses on Custom Software Development and Enterprise App Modernization.
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UndisclosedUndisclosed250 - 999Richmond Hill, Canada
Services provided
MobileLIVE is an Enterprise App Modernization company. Their team is in Richmond Hill, Canada and Montreal, Canada. The firm provides Enterprise App Modernization and UX/UI Design.
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$10,000+$25 - $49 / hr10 - 49Casablanca, Morocco
Services provided
Taillis Labs is a custom software development firm. They focus on Custom Software Development and Mobile App Development and were launched in 2016.
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UndisclosedUndisclosed2 - 9Dar es Salaam, Tanzania
Services provided
Hosanna Higher Technologies Company Ltd is a Corporate Training & Coaching company. They specialize in Corporate Training & Coaching and Web Development and were founded in 2013.
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$5,000+$25 - $49 / hr50 - 249New Delhi, India
Services provided
See all 1 projects3s IT Services offers website design, development, and optimization, providing robust and flexible custom solutions. Reviews highlight the company's professionalism, alignment with client values, and 24/7 support. Clients appreciate the timely delivery, effective project management, and high-quality service that aligns with budget constraints and expectations.
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$1,000+< $25 / hr10 - 49Guntur, India
Services provided
Based in Guntur, India and Singapore, Singapore, SMAC Technology Labs Pvt Ltd is a small website development firm. The team focuses on Web Development and Mobile App Development.
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$75,000+$100 - $149 / hr10 - 49
Services provided
Marzex Technologies PLT is an artificial intelligence development company. Based in Kuala Lumpur, Malaysia, the team focuses on Artificial Intelligence and Blockchain.
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Undisclosed< $25 / hr2 - 9Florianópolis, Brazil
Services provided
Pralitech is a software development firm. The Florianópolis, Brazil-based firm was established in 2019. Their services include Custom Software Development and Web Development.
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Undisclosed< $25 / hr10 - 49Rajkot, India
Services provided
Nex Mobility, a mobile application development firm, was established in 2008. They offers Mobile App Development and Custom Software Development.
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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 -
$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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.3/40.018.2/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
20% Enterprise App Modernization80% 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.