Top Application Modernization Services
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$10,000+$25 - $49 / hr10 - 49
Services provided
App development company IndiaAppDeveloper is in Ahmedabad, India and Dallas, Texas. Established in 2011, the team specializes in Mobile App Development and Custom Software Development.
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UndisclosedUndisclosed2 - 9Bethesda, MD
Services provided
Custom software development company and Enterprise App Modernization company Xfinion Inc. Was established in 2005. The team focuses on Custom Software Development and Enterprise App Modernization.
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UndisclosedUndisclosed2 - 9Ashburn, VA
Services provided
Enterprise App Modernization company Xceleon is headquartered in Ashburn, Virginia. The team offers Enterprise App Modernization and IT managed services.
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UndisclosedUndisclosed2 - 9Raleigh, NC
Services provided
Symbrium, Inc. Is a custom software development firm and Enterprise App Modernization company launched in 2013. Their team specializes in Custom Software Development and Enterprise App
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Undisclosed< $25 / hr10 - 49Ahmedabad, India
Services provided
stepin solutions provides ERP consulting, system integration, and web development services. The reviews highlight their technical proficiency, customer-focused approach, and ability to deliver high-quality work on time. Clients appreciate their dedication to understanding unique requirements and their creative solutions, resulting in improved project outcomes and significant client satisfaction.
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$5,000+$25 - $49 / hr10 - 49Pune, India
Services provided
CodePolicy Technologies, an IT staff augmentation company, is based in Pune, India. They provide IT staff augmentation and Web Development.
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$10,000+$50 - $99 / hr50 - 249Gurugram, India
Services provided
RSK Business Solutions is a software development firm. Located in Gurugram, India and Hildenborough, England, their team specializes in Custom Software Development and Mobile App Development.
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Undisclosed$150 - $199 / hr250 - 999North Sydney, Australia
Services provided
Object Consulting, a software development company, was founded in 1989. Headquartered in North Sydney, Australia, the team specializes in Custom Software Development and CRM consulting and SI.
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$50,000+Undisclosed250 - 999Montevideo, Uruguay
Services provided
In Montevideo, Uruguay and Chicago, Illinois, Overactive is a midsize software development firm. The team focuses on Custom Software Development and IT staff augmentation.
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$25,000+< $25 / hr250 - 999Ahmedabad, India
Services provided
Dev Information Technology Ltd. Is an Ahmedabad, India-based cloud consulting & SI company. The team specializes in cloud consulting & SI and Cybersecurity.
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$5,000+Undisclosed250 - 999New Delhi, India
Services provided
PC Solutions Pvt Ltd, a cloud consulting & SI company, was launched in 1988. The agency offers cloud consulting & SI and IT managed services.
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$25,000+$25 - $49 / hr250 - 999Hyderabad, India
Services provided
Winfo Solutions is a midsize London, England-based ERP consulting and SI company. The team specializes in ERP consulting and SI and Enterprise App Modernization.
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$1,000+$25 - $49 / hr2 - 9
Services provided
Small web development firm Novawork, is in Enterprise, Nevada. The team offers Web Development and Mobile App Development.
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$10,000+$25 - $49 / hr2 - 9
Services provided
Solo Micros LLC is a software development firm. They offer Custom Software Development and Web Development and were established in 2025. The firm is based in Sheridan, Wyoming.
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$1,000+< $25 / hr10 - 49
Services provided
Software development firm SpireDesk was launched in 2023. In Austin, Texas, the team offers Custom Software Development and Web Development.
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Undisclosed$25 - $49 / hr50 - 249
Services provided
WeMo Technologies is a software development firm. Their services include Custom Software Development and Enterprise App Modernization.
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$1,000+< $25 / hr50 - 249Los Angeles, CA
Services provided
WideVision Technologies is a midsize custom software development firm. They offer Custom Software Development and Web Development and were founded in 2008.
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$100,000+$200 - $300 / hr50 - 249Franklin, TN
Services provided
Midsize mobile application development company Intevity, is headquartered in Franklin, Tennessee. The team provides Mobile App Development and AI Consulting.
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$5,000+$25 - $49 / hr10 - 49Khwaeng Bang Chak, Thailand
Services provided
DRVR is a data analytics company. They provide BI & big data consulting & SI and IoT development and are headquartered in Khwaeng Bang Chak, Thailand and Yangon, Myanmar.
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$5,000+$200 - $300 / hr2 - 9
Services provided
IT strategy consulting company Blue Bear Design was established in 2026. The team provides IT strategy consulting and Custom Software Development.
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$25,000+Undisclosed50 - 249
Services provided
See all 4 projectsSolvencia Technologies is an IT solutions and digital transformation company specialising in Artificial Intelligence, Generative AI, AI Agents, intelligent automation, cloud solutions, enterprise
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$10,000+$100 - $149 / hr2 - 9
Services provided
In Dayton, Ohio, The Scenery is a small Enterprise App Modernization company. The team specializes in Enterprise App Modernization and UX/UI Design.
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
Services provided
Software development firm Agilerz Services (Private) Limited is in Lahore, Pakistan. They focus on Custom Software Development and Mobile App Development and were established in 2019.
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$5,000+$50 - $99 / hr2 - 9
Services provided
Zenmira is a custom software development company. They are located in Denizli, Türkiye and have small team. They provide Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr10 - 49Cochabamba, Bolivia
Services provided
WiseDevs, a custom software development firm, specializes in Custom Software Development and IoT development. The company is headquartered in Cochabamba, Bolivia.
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UndisclosedUndisclosed250 - 999Bengaluru, India
Services provided
Data Semantics, a business intelligence company, was established in 2012. They specializes in BI & big data consulting & SI and Artificial Intelligence.
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$5,000+Undisclosed250 - 999Grassobbio, Italy
Services provided
SORINT.lab is an IT staff augmentation company. The Grassobbio, Italy-based agency was launched in 1985. Their services include IT staff augmentation and IT managed services.
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UndisclosedUndisclosed250 - 999Bengaluru, India
Services provided
Founded in 2000, MicroGenesis Techsoft Pvt. Ltd. Is an IT managed services company. The team provides IT managed services and Robotics Process Automation.
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$25,000+$25 - $49 / hr250 - 999Amsterdam, Netherlands
Services provided
Architectural Design company OBSS Tech is based in Amsterdam, Netherlands. The team focuses on Architectural Design and IT staff augmentation.
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$250,000+Undisclosed250 - 999Los Angeles, CA
Services provided
AAXIS Digital is an e-commerce development company. Headquartered in Los Angeles, California, the firm was founded in 2001. Their services include E-Commerce Development and DevOps Managed Services.
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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.