Top Application Modernization Services
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$25,000+$100 - $149 / hr50 - 249Horbury, England
Services provided
Application Management & Support company Propel Tech Ltd was launched in 2007. The agency offers Application Management & Support and Custom Software Development.
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$10,000+$50 - $99 / hr50 - 249São Paulo, Brazil
Services provided
Codeminer42, an IT staff augmentation company, is in São Paulo, Brazil. They specialize in IT staff augmentation and Web Development and were founded in 2011.
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UndisclosedUndisclosed50 - 249Newton, MA
Services provided
Cleartelligence is an IT strategy consulting company. They offer IT strategy consulting and BI & big data consulting & SI and are located in Newton, Massachusetts.
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UndisclosedUndisclosed10 - 49Irving, TX
Services provided
Enterprise App Modernization and Other Application Development company Textellent was launched in 2013. The team offers Enterprise App Modernization and Other Application Development.
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$25,000+$25 - $49 / hr10 - 49Arusha, Tanzania
Services provided
WORKFORCE Tanzania is an Arusha, Tanzania-based Enterprise App Modernization company. Established in 2016, the team provides Enterprise App Modernization and Mobile App Development.
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$1,000+$25 - $49 / hr50 - 249Thiru Nagar, India
Services provided
See all 1 projectsBlockchain Apps Developer offers specialized software development services, focusing on blockchain technology and digital asset platforms. The reviews highlight their commitment to quality, timely delivery, and innovative solutions. Clients commend their ability to exceed performance expectations and appreciate their valuable insights and collaborative approach.
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UndisclosedUndisclosed50 - 249
Services provided
Midsize Enterprise App Modernization company Cloud Elements, is headquartered in and Dallas, Texas. Their services include Enterprise App Modernization and Application Management & Support.
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UndisclosedUndisclosed10 - 49Charlottetown, Canada
Services provided
SpryPoint is a small Enterprise App Modernization company. They provide Enterprise App Modernization and Business Consulting and were established in 2011.
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$1,000+$50 - $99 / hr250 - 999
Services provided
See all 2 projectsAppbiquity provides app development services specializing in creating user-centric, high-performing applications with innovative features. Reviews highlight their effective project management, technical expertise, and exceptional customer support. Clients appreciate their detailed planning, seamless workflow, and consistent communication, making Appbiquity a reliable partner for achieving project goals efficiently.
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UndisclosedUndisclosed50 - 249Wrocław, Poland
Services provided
ANEGIS Sp. Z o.o. Is an ERP consulting and SI company launched in 2013. The midsize team provides ERP consulting and SI and Custom Software Development.
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$10,000+Undisclosed10 - 49Sutherland, Australia
Services provided
HARMONiQ, a small software development firm, is headquartered in Sutherland, Australia. Their services include Custom Software Development and Enterprise App Modernization.
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$1,000+< $25 / hr2 - 9
Services provided
FlutterDesk specializes in developing custom mobile applications, such as food delivery apps, with a focus on graphic design, content curation, and software development. The overall feedback highlights the company's exceptional support, cooperative behavior, and the high quality and functionality of their delivered products, meeting or exceeding client expectations.
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UndisclosedUndisclosed50 - 249Izmir, Türkiye
Services provided
Litum is an IoT development company. The midsize Izmir, Türkiye-based team specializes in IoT development and Custom Software Development. The company was established in 2004.
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$1,000+$25 - $49 / hr50 - 249Noida, India
Services provided
Launched in 2021, UBERApps Technologies is an app development company. The team specializes in Mobile App Development and IT strategy consulting.
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$10,000+$25 - $49 / hr50 - 249Wrocław, Poland
Services provided
Established in 2000, Sente is a midsize Wrocław, Poland-based Enterprise App Modernization company. Their services include Enterprise App Modernization and Accounting.
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$5,000+$150 - $199 / hr10 - 49Morrisville, NC
Services provided
Pixis Software, a software development company, focuses on Custom Software Development and Web Development. The company is located in Morrisville, North Carolina.
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$1,000+$25 - $49 / hr10 - 49Punta del Este, Uruguay
Services provided
User experience design company Press Start Evolution was founded in 2011. The team provides UX/UI Design and Mobile App Development.
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$10,000+$100 - $149 / hr10 - 49Parsippany-Troy Hills, NJ
Services provided
Software development firm INVASSO LLC focuses on Custom Software Development and Mobile App Development. They were founded in 2017.
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$5,000+$150 - $199 / hr50 - 249Redmond, WA
Services provided
Located in Redmond, Washington and Noida, India, UnifyCloud LLC is an Enterprise App Modernization company. The team offers Enterprise App Modernization and IT strategy consulting.
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UndisclosedUndisclosed10 - 49Harrisburg, PA
Services provided
Founded in 2003, CitizenDeveloper is a software development firm. The team specializes in Custom Software Development and Enterprise App Modernization.
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$5,000+< $25 / hr50 - 249Bengaluru, India
Services provided
Based in Bengaluru, India, Hutech Solutions is an e-commerce development company. The team offers E-Commerce Development and UX/UI Design.
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$25,000+$100 - $149 / hr10 - 49Plano, TX
Services provided
Located in Plano, Texas, SharpEcho is an Enterprise App Modernization company. They focus on Enterprise App Modernization and Custom Software Development.
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$100,000+$50 - $99 / hr50 - 249Amsterdam, Netherlands
Services provided
GlobalOrange, a software development firm, provide Custom Software Development and Enterprise App Modernization. They were founded in 2006.
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$50,000+$25 - $49 / hr50 - 249's-Graveland, Netherlands
Services provided
See all 2 projectsOmegaLab offers custom software development and IT consulting services, specializing in product discovery, MVP development, and roadmap creation. Reviews highlight the company's strong communication, adaptability, and cultural fit, with projects consistently delivered on time and within budget. Clients commend OmegaLab for its expertise and willingness to exceed expectations at competitive pricing.
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$1,000+< $25 / hr50 - 249Ahmedabad, India
Services provided
Infilon Technologies Pvt. Ltd. Is an Enterprise App Modernization company established in 2009. Their team specializes in Enterprise App Modernization and Web Development.
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$5,000+$150 - $199 / hr10 - 49
Services provided
TeknoVerse offers professional web and app development services, including website design, responsive web development, content creation, SEO, and app development with secure payment integration. Customer reviews commend TeknoVerse for their professionalism, attention to detail, and timely project completion. However, marketing support is noted as an area for potential expansion.
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UndisclosedUndisclosed50 - 249Limerick, Ireland
Services provided
ActionPoint, a custom software development company, focuses on Custom Software Development and Enterprise App Modernization. The firm is located in Limerick, Ireland and Dublin, Ireland.
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Undisclosed$100 - $149 / hr250 - 999Jacksonville, FL
Services provided
In Jacksonville, Florida, Astadia Consulting is a midsize software development company. The team offers Custom Software Development and Enterprise App Modernization.
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Undisclosed< $25 / hr10 - 49Zielona Góra, Poland
Services provided
Web development firm Cyber Security Lab Sp. Z o.o. Focuses on Web Development and Cybersecurity. They were founded in 2021.
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$100,000+< $25 / hr50 - 249
Services provided
Enterprise App Modernization company Arkin Software is located in Hyderabad , India. They provide Enterprise App Modernization and Web Development and were founded in 2004.
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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.