Top Application Modernization Services
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$5,000+$25 - $49 / hr2 - 9Prague , Czech Republic
Services provided
GigaNeo is a software development company. Founded in 2016, their team specializes in Custom Software Development and Mobile App Development.
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UndisclosedUndisclosed10 - 49Seattle, WA
Services provided
Pivotal Consulting, a cloud consulting & SI company, is based in Seattle, Washington. The team offers cloud consulting & SI and Enterprise App Modernization.
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$1,000+$25 - $49 / hr10 - 49Calgary, Canada
Services provided
See all 1 projectsVBIntelz specializes in digital marketing and design services, providing strong value through effective advertising strategies. The reviews highlight their role in significantly enhancing business visibility and accelerating growth. Clients commend their dedication and expertise, which have been pivotal in achieving rapid and sustainable success while maintaining alignment with company values.
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$1,000+< $25 / hr10 - 49Jaipur, India
Services provided
Soft Futura is an app development company in Jaipur, India. Launched in 2019, the team offers Mobile App Development and Web Development.
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$25,000+$100 - $149 / hr10 - 49Andorra la Vella, Andorra
Services provided
Established in 2013, Brilliant Consulting is a software development company. The small team provides Custom Software Development and IT strategy consulting.
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$10,000+$200 - $300 / hr10 - 49Chicago, IL
Services provided
Ai2 is a small software development firm established in 1982. Their services include Custom Software Development and Enterprise App Modernization.
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UndisclosedUndisclosed10 - 49Sacramento, CA
Services provided
UX design agency blueriver was launched in 2010. The team focuses on UX/UI Design and Custom Software Development.
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$25,000+$150 - $199 / hr10 - 49Waterloo, IA
Services provided
Low/No Code Development company Redstone Content Solutions was launched in 2008. The team provides Low/No Code Development and Enterprise App Modernization and is in Waterloo, Iowa.
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$1,000+$25 - $49 / hr10 - 49Lahore, Pakistan
Services provided
See all 2 projectsKodex Technologies is a web development company, as suggested by the services they were hired for, that has demonstrated significant challenges in project delivery and communication, according to client feedback. The review available is overwhelmingly negative, citing issues such as incomplete project delivery, communication problems, and unfulfilled promises, with the reviewer expressing dissatisfaction and advising against collaboration with Kodex Technologies.
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$25,000+$300+ / hr250 - 999Ottawa, Canada
Services provided
Pythian is a business intelligence company in Ottawa, Canada and San Francisco, California. They specialize in BI & big data consulting & SI and cloud consulting & SI and were launched in 1997.
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$5,000+$50 - $99 / hr10 - 49
Services provided
Launched in 2021, Trigger Software is a custom software development firm. The small team offers Custom Software Development and Mobile App Development.
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$10,000+$50 - $99 / hr2 - 9San Francisco, CA
Services provided
Small software development company UI Flow, is located in San Francisco, California. The team provides Custom Software Development and Enterprise App Modernization.
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$10,000+$25 - $49 / hr10 - 49Warszawa, Poland
Services provided
EXPinIT Poland is an IT staff augmentation company. They offer IT staff augmentation and Application Testing and are located in Warszawa, Poland.
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Undisclosed$25 - $49 / hr1,000 - 9,999Puducherry, India
Services provided
Integra Software Services is a Back Office Outsourcing company. Launched in 1996, the team offers Back Office Outsourcing and Graphic Design.
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$1,000+$25 - $49 / hr1,000 - 9,999Amadora, Portugal
Services provided
Reditus is a large Amadora, Portugal-based software development company. Their services include Custom Software Development and Back Office Outsourcing.
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$10,000+$100 - $149 / hr50 - 249Frisco, TX
Services provided
Code Authority is a software development firm. Headquartered in Frisco, Texas, the firm specializes in Custom Software Development and Enterprise App Modernization.
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$25,000+$25 - $49 / hr1,000 - 9,999Harrow, England
Services provided
IT strategy consulting company Changepond Technologies Private Limited was established in 2000. The agency specializes in IT strategy consulting and IT managed services.
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UndisclosedUndisclosed1,000 - 9,999Addison, TX
Services provided
Accolite Digital is a cloud consulting & SI company. In Addison, Texas and Bengaluru, India, the team offers cloud consulting & SI and Cybersecurity.
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$50,000+Undisclosed1,000 - 9,999Irving, TX
Services provided
In Irving, Texas and Serilingampalle (M), India, Motivity Labs is a Cybersecurity company. The team offers Cybersecurity and Mobile App Development.
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$50,000+$150 - $199 / hr50 - 249Woodinville, WA
Services provided
Established in 1996, Redapt is a cloud consulting & SI company. The agency focuses on cloud consulting & SI and BI & big data consulting & SI, and is midsize.
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$1,000+< $25 / hr2 - 9KOlkata, India
Services provided
See all 1 projectsLeads Digital offers IT skills, consultancy, and other online technical services. Reviews highlight their dedication, efficient service system, and effective workflow, emphasizing the team's high esteem and commitment to success. Clients particularly appreciate the professionalism and respect for employees demonstrated by Leads Digital.
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$10,000+$50 - $99 / hr2 - 9Emeryville, CA
Services provided
Mobile application development company AppMozart was established in 2019. The company focuses on Mobile App Development and Web Development.
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$10,000+$25 - $49 / hr2 - 9Davao City, Philippines
Services provided
Mediaone Software Solutions is a small Davao City, Philippines-based web development firm. The team focuses on Web Development and Custom Software Development.
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$5,000+$50 - $99 / hr2 - 9Tallinn, Estonia
Services provided
Digital Magic Ltd. Is a software development firm. They are in Tallinn, Estonia and have small team. They offer Custom Software Development and Web Development.
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Undisclosed$50 - $99 / hr50 - 249Kraków, Poland
Services provided
MOBILTEK S.A. Mobile Technology Center, a mobile app development firm, is based in Kraków, Poland. Launched in 2002, the team specializes in Mobile App Development and Custom Software Development.
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$5,000+$100 - $149 / hr10 - 49Saint-Roch-de-Richelieu, Canada
Services provided
See all 1 projectsDevActif specializes in developing iOS and Android mobile applications with services including time entry management, calendar management, and document handling. Reviews highlight their attentive and flexible project management, expertise, and alignment with company values, leading to successful project outcomes and effective communication. Clients appreciate their ability to adapt to needs and contribute valuable industry insights, with no noted areas for improvement.
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$10,000+$25 - $49 / hr10 - 49Kolar, India
Services provided
Oreo Technologies is an app development company. The team is located in Kolar, India and Bengaluru, India, and their services include Mobile App Development and Advertising.
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$1,000+Undisclosed10 - 49Lapu-Lapu City, Philippines
Services provided
Mugna Passion Project is an Enterprise App Modernization company. They are headquartered in Lapu-Lapu City, Philippines, and their services include Enterprise App Modernization and Blockchain.
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$50,000+Undisclosed10 - 49Oakville, Canada
Services provided
Voila Hub is a mobile application development company. The small Oakville, Canada-based team offers Mobile App Development and Enterprise App Modernization. The agency was founded in 2010.
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$5,000+< $25 / hr10 - 49Ahmedabad, India
Services provided
Raging Developers is an Ahmedabad, India-based Enterprise App Modernization company. Established in 2019, the team focuses on Enterprise App Modernization 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.