Top Application Modernization Services
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UndisclosedUndisclosed2 - 9Bloomington, IL
Services provided
Small software development firm Trinitiii, is in Bloomington, Illinois. Their services include Custom Software Development and Cybersecurity.
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UndisclosedUndisclosed2 - 9Fairfax, VA
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ABSCUS, Inc. Is a data analytics company founded in 2012. The team specializes in BI & big data consulting & SI and IT strategy consulting and is in Fairfax, Virginia.
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UndisclosedUndisclosed2 - 9Beltsville, MD
Services provided
Truth Technology, Inc is an IT managed services company. Based in Beltsville, Maryland, their team offers IT managed services and Enterprise App Modernization.
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UndisclosedUndisclosed2 - 9Raleigh, NC
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Pivotal IT Services, a software development company, is located in Raleigh, North Carolina. They provide Custom Software Development and BI & big data consulting & SI and were established in 2019.
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UndisclosedUndisclosed2 - 9Berlin, Germany
Services provided
Breyz GmbH is a website development company. In Berlin, Germany, their team focuses on Web Development and Custom Software Development.
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UndisclosedUndisclosed2 - 9Overland Park, KS
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Smart Factory IO is a cloud consulting & SI company. Launched in 2017, the team provides cloud consulting & SI and IT staff augmentation.
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UndisclosedUndisclosed2 - 9Palo Alto, CA
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Smart IT Concepts is a custom software development company. The Palo Alto, California-based firm was established in 2009. Their services include Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Los Angeles, CA
Services provided
AztecaNet Inc. Is a software development firm headquartered in Los Angeles, California. They focus on Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Colorado Springs, CO
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Langr Software Solutions, Inc. Is a software development company. They offer Custom Software Development and Web Development and were founded in 2003.
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UndisclosedUndisclosed2 - 9
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Founded in 2005, OneClick Solutions, a DBA of Tanios, Inc. Is a web design company. The team specializes in Web Design and UX/UI Design.
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UndisclosedUndisclosed2 - 9Houston, TX
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Async7, LLC is an UX company. Established in 2011, their team specializes in UX/UI Design and Artificial Intelligence.
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UndisclosedUndisclosed2 - 9McLean, VA
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Cloud consulting & SI company LatticeWorks, Inc was founded in 2017. The firm offers cloud consulting & SI and IT managed services, and is small.
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UndisclosedUndisclosed2 - 9Newark, DE
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Quantum Edge Technologies is an IT strategy consulting company. The Newark, Delaware-based firm was established in 2022. Their services include IT strategy consulting and Custom Software
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UndisclosedUndisclosed2 - 9Austin, TX
Services provided
SKI Technology Solutions is a business intelligence company launched in 2013. The team provides BI & big data consulting & SI and IT managed services and is in Austin, Texas.
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UndisclosedUndisclosed2 - 9
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Blockchain Companies LLC is a Blockchain company. Launched in 2017, the team provides Blockchain and Digital Asset Management.
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UndisclosedUndisclosed2 - 9
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Microstacks is a small Scarborough, Canada-based cloud consulting & SI company. The team specializes in cloud consulting & SI and Custom Software Development.
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$10,000+$100 - $149 / hr10 - 49Edmonton, Canada
Services provided
See all 9 projectsDigital Fractal Technologies Inc is a company specializing in Enterprise Application Modernization, offering services such as modernizing enterprise applications and digital systems transformation. Reviews indicate a strong emphasis on effective project management and delivering high-value results, with 100% of feedback being positive, highlighting their ability to under-promise and over-deliver.
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$10,000+$25 - $49 / hr10 - 49
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See all 4 projectsDuskbyte is a versatile software development company specializing in SaaS solutions, web applications, and software integrations. Receiving overwhelmingly positive feedback, with 100% of clients praising their communication, technical expertise, and timely delivery, the company's culture fit and cost-effectiveness are frequently highlighted. Clients commend Duskbyte for their professionalism, creativity, and high-quality outputs, with no significant areas for improvement noted.
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$10,000+$25 - $49 / hr10 - 49Timișoara, Romania
Services provided
See all 3 projectsTooktech Web Technologies is a software development company specializing in web-based applications, legal software, and ERP solutions. Across multiple reviews, 100% of clients commend their integrity, project management, and responsiveness, highlighting their capacity to deliver projects on time and within budget. With a consistent emphasis on honesty and trust, Tooktech Web Technologies ensures effective collaboration and client satisfaction.
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UndisclosedUndisclosed10 - 49Lawrence, KS
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In Lawrence, Kansas, IT Consulting Services, Inc. Is a small Enterprise App Modernization company. The team provides Enterprise App Modernization and BI & big data consulting & SI.
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UndisclosedUndisclosed10 - 49Lake Mary, FL
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KASH Tech, LLC is a big data analytics company. They provide BI & big data consulting & SI and IT staff augmentation and are located in Lake Mary, Florida and Chennai, India.
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UndisclosedUndisclosed10 - 49Las Vegas, NV
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Established in 2017, Wizards is a website development firm. Based in Las Vegas, Nevada, the team provides Web Development and Mobile App Development.
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UndisclosedUndisclosed2 - 9Richmond, Australia
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BlackCompass Software is a Richmond, Australia-based IT strategy consulting company. Founded in 2009, the team provides IT strategy consulting and BI & big data consulting & SI.
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UndisclosedUndisclosed2 - 9
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Antidote Technology LTD is a Blockchain company founded in 2020. The agency provides Blockchain and BI & big data consulting & SI.
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UndisclosedUndisclosed2 - 9London, England
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Blockchain company OAAM Consulting Ltd was founded in 2013. The small team focuses on Blockchain and Blockchain Marketing.
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UndisclosedUndisclosed2 - 9Rockville, MD
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HyerTek is an IT strategy consulting company in Rockville, Maryland. Launched in 2016, the team offers IT strategy consulting and BI & big data consulting & SI.
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UndisclosedUndisclosed2 - 9Brentwood, TN
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Established in 2015, Perfected Solutions LLC is a small IT strategy consulting company. Their services include IT strategy consulting and Custom Software Development.
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$10,000+$25 - $49 / hr50 - 249Bengaluru, India
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See all 46 projectsEuphoric Thought Technologies Pvt. Ltd. is a versatile IT solutions firm specializing in IT asset management, IT operations management, cloud infrastructure, DevOps practices, and custom software development. Client reviews consistently highlight their excellent project management, proactive communication, and technical expertise, with unanimous satisfaction reported across all reviews, noting no significant areas for improvement.
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$25,000+$25 - $49 / hr50 - 249
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See all 31 projectsRewiSoft is a software development company specializing in mobile app development and e-commerce integration. They have consistently received high praise for their technical proficiency and engaging user experience design, with 100% of reviewers highlighting their ability to deliver projects on time and maintain clear communication. However, some feedback suggests that more frequent progress updates could enhance their service.
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$10,000+$25 - $49 / hr50 - 249Ho Chi Minh City, Vietnam
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See all 14 projectsRelia Software is a software development company specializing in custom application development, UI/UX design, and technical solutions. Client feedback consistently highlights their effective communication, timely delivery, and strong project management skills. Approximately 95% of reviews are positive, with nearly 70% mentioning their impressive commitment to meeting project goals and providing quality solutions.
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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
38.1/40.019/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 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 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
37.3/40.017.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
38.9/40.019.4/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$25 - $49 / hr250 - 999Ahmedabad, India
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 - 9,999L'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 -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
32.1/40.017.4/20 Reviews9.8/10 Clients & Experience4.8/10 Market PresenceService focus
60% Enterprise App Modernization40% 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 -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
36.9/40.017/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% 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 -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
33.3/40.016/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$100 - $149 / hr50 - 249Belfast, Northern Ireland
Ability to deliver
37/40.017.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr250 - 999Unterschleißheim, Germany
Ability to deliver
34.9/40.017.8/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$75,000+$50 - $99 / hr50 - 249Marlborough, MA
Ability to deliver
38.9/40.020/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
10% Enterprise App Modernization90% 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 -
$10,000+$25 - $49 / hr10 - 49Ahmedabad, India
Ability to deliver
37.4/40.018.4/20 Reviews9.6/10 Clients & Experience9.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$50 - $99 / hr50 - 249Prague, Czech Republic
Ability to deliver
38.8/40.019.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% Enterprise App Modernization90% 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
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.