Top Application Modernization Services
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$250,000+$100 - $149 / hr50 - 249Chicago, IL
Services provided
Headquartered in Chicago, Illinois, ForceIQ is a midsize cloud consulting & SI company. The team specializes in cloud consulting & SI and CRM consulting and SI.
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$10,000+$300+ / hr50 - 249Marston Green, England
Services provided
Software development company Jumar Technology was founded in 1999. The midsize team focuses on Custom Software Development and Enterprise App Modernization.
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UndisclosedUndisclosed50 - 249Mérida, Mexico
Services provided
Kwan Tecnología is an IT staff augmentation company launched in 2010. In Mérida, Mexico, the team focuses on IT staff augmentation and Custom Software Development.
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$10,000+$200 - $300 / hr50 - 249Chennai, India
Services provided
Kaladi Consulting Services is a midsize ERP consulting and SI company based in Chennai, India. Their services include ERP consulting and SI and IT managed services.
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$1,000+$50 - $99 / hr50 - 249Toronto, Canada
Services provided
X2x eCommerce is a CRM consulting and SI company. The midsize Toronto, Canada-based team focuses on CRM consulting and SI and ERP consulting and SI. The firm was established in 2015.
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$5,000+$25 - $49 / hr50 - 249Noida, India
Services provided
Glorious Insight Pvt Ltd is a mobile app development company. Based in Noida, India, their midsize team provides Mobile App Development and IoT development. The firm was launched in 2017.
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$50,000+$25 - $49 / hr50 - 249Ljubljana, Slovenia
Services provided
Ascalab Ltd is a software development company located in Ljubljana, Slovenia. The team offers Custom Software Development and Web Development.
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Undisclosed$50 - $99 / hr50 - 249CABA, Argentina
Services provided
Based in CABA, Argentina, OpenDev Pro is a midsize IT staff augmentation company. The team offers IT staff augmentation and Custom Software Development.
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$1,000+$100 - $149 / hr50 - 249Mira Bhayandar, India
Services provided
Midsize software development firm Boostr Technologies LLP, is located in Mira Bhayandar, India and Greater Noida, India. The team specializes in Custom Software Development and Web Development.
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UndisclosedUndisclosed50 - 249
Services provided
Established in 2015, ADTECH Corp., a midsize ERP consulting and SI company, is located in and Nanakaramguda, India. Their services include ERP consulting and SI and cloud consulting & SI.
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$1,000+< $25 / hr50 - 249Kolkata, India
Services provided
Custom software development firm Sigilo Private Limited is located in Kolkata, India. They specialize in Custom Software Development and BI & big data consulting & SI and were established in 2021.
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$5,000+$25 - $49 / hr50 - 249Bengaluru, India
Services provided
Advertising company neoDesynz offers Advertising and Branding. They were launched in 2002.
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$1,000+$25 - $49 / hr10 - 49
Services provided
Akshara Technologies is an IT strategy consulting company. They were launched in 2016, and their services include IT strategy consulting and Mobile App Development.
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$10,000+Undisclosed10 - 49
Services provided
Transition Computing is a custom software development firm. The Caldecotte, England-based firm was launched in 1998. Their services include Custom Software Development and Web Development.
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UndisclosedUndisclosed10 - 49London, England
Services provided
Brand42, a web design agency, offer Web Design and Web Development. They were founded in 2004.
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Undisclosed$25 - $49 / hr10 - 49Delhi, India
Services provided
Mobile app development company Daphnis Labs provides Mobile App Development and Web Development. They were established in 2013.
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Undisclosed$50 - $99 / hr10 - 49București, Romania
Services provided
TARAinteractive is a small custom software development firm launched in 1991. Their services include Custom Software Development and E-Commerce Development.
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$10,000+$100 - $149 / hr10 - 49Atlanta, GA
Services provided
Website development firm Toolbox No. 9 is in Atlanta, Georgia. They specialize in Web Development and UX/UI Design and were founded in 2005.
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$25,000+Undisclosed10 - 49Vancouver, Canada
Services provided
Mindfield Consulting, a software development firm, was launched in 1999. The company offers Custom Software Development and Business Consulting, and is small.
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$50,000+$50 - $99 / hr10 - 49Tallinn, Estonia
Services provided
Ignite OÜ is a custom software development firm. The Tallinn, Estonia-based company was established in 2010. Their services include Custom Software Development and Blockchain.
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$1,000+$25 - $49 / hr10 - 49Athina, Greece
Services provided
Publisto is a custom software development firm. Based in Athina, Greece, the firm offers Custom Software Development and BI & big data consulting & SI.
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$5,000+$50 - $99 / hr10 - 49Gurugram, India
Services provided
TIKAJ, a Cybersecurity company, was established in 2014. The firm focuses on Cybersecurity and Custom Software Development.
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UndisclosedUndisclosed10 - 49Newburyport, MA
Services provided
DevOps Managed Services company Elyxor was established in 2010. The team offers DevOps Managed Services and cloud consulting & SI.
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$1,000+< $25 / hr10 - 49
Services provided
Founded in 2015, SKEIN TECHNOLOGIES PRIVATE LIMITED is an user experience agency. The team specializes in UX/UI Design and Mobile App Development and is in Coimbatore, India.
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UndisclosedUndisclosed10 - 49New Delhi, India
Services provided
Launched in 2010, Infotyke is a web development company. The agency focuses on Web Development and Mobile App Development, and is small.
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UndisclosedUndisclosed10 - 49
Services provided
Founded in 2007, Youtouch Technology is a small Santiago, Chile-based software development firm. Their services include Custom Software Development and Artificial Intelligence.
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$25,000+$150 - $199 / hr10 - 49San Diego, CA
Services provided
Border UX is an UX agency. Founded in 2018, the team specializes in UX/UI Design and Custom Software Development. The firm is located in San Diego, California.
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$25,000+$150 - $199 / hr10 - 49Cremorne, Australia
Services provided
Folio1 Technology is a custom software development company. They focus on Custom Software Development and cloud consulting & SI and were launched in 2008. The firm is in Cremorne, Australia.
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$5,000+$100 - $149 / hr10 - 49Virginia Beach, VA
Services provided
Software development company ByteJam is in Virginia Beach, Virginia. They specialize in Custom Software Development and E-Commerce Development.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
Services provided
Synconics Technologies Pvt. Ltd, an ERP consulting and SI company, is located in Ahmedabad, India. The team specializes in ERP consulting and SI and IT strategy consulting.
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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
35/40.019.6/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
35.3/40.018.8/20 Reviews10/10 Clients & Experience6.5/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$5,000+< $25 / hr1,000 - 9,999
Ability to deliver
31.9/40.016.6/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
31.6/40.017.4/20 Reviews9.8/10 Clients & Experience4.4/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
31.3/40.015.8/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$10,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
38.1/40.020/20 Reviews10/10 Clients & Experience8.1/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
36.6/40.020/20 Reviews10/10 Clients & Experience6.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
30.2/40.015.8/20 Reviews10/10 Clients & Experience4.4/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$25,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
33.9/40.018.2/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
29.8/40.015.2/20 Reviews8.8/10 Clients & Experience5.9/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
35.7/40.020/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
31.1/40.016/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
33/40.017.2/20 Reviews10/10 Clients & Experience5.8/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
37/40.019.8/20 Reviews10/10 Clients & Experience7.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$25 - $49 / hr250 - 999Toronto, Canada
Ability to deliver
32.9/40.016.6/20 Reviews10/10 Clients & Experience6.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
32.7/40.016.8/20 Reviews10/10 Clients & Experience5.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
34.3/40.019/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
33.7/40.016.6/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr250 - 999Unterschleißheim, Germany
Ability to deliver
32.2/40.017.2/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
35.2/40.019/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$50 - $99 / hr10 - 49Farmington, MI
Ability to deliver
31.5/40.016.6/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34.1/40.018.4/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$150 - $199 / hr50 - 249
Ability to deliver
32/40.016.6/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
31.8/40.016.4/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$1,000+< $25 / hr50 - 249Jaipur, India
Ability to deliver
32.6/40.017.2/20 Reviews9.4/10 Clients & Experience6/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
31.5/40.016.6/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$25 - $49 / hr50 - 249Portland, OR
Ability to deliver
31.5/40.016.8/20 Reviews10/10 Clients & Experience4.7/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$250,000+$150 - $199 / hr10 - 49Littleton, CO
Ability to deliver
33.3/40.017.6/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
31.5/40.016.2/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
31.4/40.016.4/20 Reviews9.8/10 Clients & Experience5.2/10 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.