Top Application Modernization Services
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$25,000+$100 - $149 / hr10 - 49Houston, TX
Services provided
CSS Commerce is an e-commerce development firm. They were launched in 2018, and their services include E-Commerce Development and Enterprise App Modernization.
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$5,000+< $25 / hr50 - 249Skokie, IL
Services provided
See all 3 projectsHoff & Mazor is a company specializing in Enterprise App Modernization, offering comprehensive software modernization services to enhance user engagement and retention. Reviews indicate a high level of satisfaction, with user engagement increasing by 35% and retention by 40%. Clients appreciate their commitment to user-centric design and transparent communication, although no specific areas for improvement were mentioned.
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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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$5,000+< $25 / hr250 - 999Midrand, South Africa
Services provided
Linkfields Innovations is a midsize Midrand, South Africa-based Enterprise App Modernization company. Their services include Enterprise App Modernization and Application Testing.
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UndisclosedUndisclosed250 - 999Pallippuram, India
Services provided
Enterprise App Modernization company Ospyn Technologies was founded in 2009. The midsize team provides Enterprise App Modernization and IT strategy consulting.
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UndisclosedUndisclosed250 - 999North Sydney, Australia
Services provided
Professional Advantage is a midsize ERP consulting and SI company in North Sydney, Australia and Melbourne, Australia. Their services include ERP consulting and SI and cloud consulting & SI.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
Services provided
See all 1 projectsUniversal Stream Solution LLC is a leading offshore Web, Mobile, and Wearable App Development Company, headquartered in Atlanta, GA with a development center in India. Since 2011, we have empowered
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$5,000+Undisclosed250 - 999Mumbai, India
Services provided
AG Technologies Pvt. Ltd, an ERP consulting and SI company, was launched in 1999. The team specializes in ERP consulting and SI and IT staff augmentation and is based in Mumbai, India.
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$1,000+< $25 / hr2 - 9Mumbai, India
Services provided
OrderStack is a software development company. The team offers Custom Software Development and Web Development, and the firm is based in Mumbai, India.
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Undisclosed$100 - $149 / hr250 - 999London, England
Services provided
Westbrook International is a CRM consulting and SI company founded in 1992. The midsize team provides CRM consulting and SI 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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UndisclosedUndisclosed50 - 249București, Romania
Services provided
Aurachain is a custom software development firm located in Sarnen, Switzerland and București, Romania. Founded in 2009, the team offers Custom Software Development and Enterprise App Modernization.
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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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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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$1,000+$25 - $49 / hr50 - 249Thiru Nagar, India
Services provided
Blockchain 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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$25,000+$50 - $99 / hr10 - 49Dnipro, Ukraine
Services provided
See all 5 projectsBlaize is a blockchain development company specializing in creating solutions such as token bridges, supply chain systems, and web and desktop applications. Reviewers consistently highlight Blaize's expertise in blockchain technologies, proactive communication, and strategic approach. More than 80% of reviewers commend their professionalism and timely delivery, while a third of reviewers note their flexibility and client-focused service as impressive.
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$25,000+$50 - $99 / hr10 - 49Istanbul, Türkiye
Services provided
Mavidev Software And Consultancy Co. Is a software development company founded in 2019. Their team offers Custom Software Development and IT staff augmentation.
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$1,000+< $25 / hr10 - 49Coimbatore, India
Services provided
Enterprise App Modernization and SEO services firm NETART was established in 2016. In Coimbatore, India, the team focuses on Enterprise App Modernization and Search Engine Optimization.
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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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$5,000+$100 - $149 / hr2 - 9Royal Leamington Spa, England
Services provided
LOCALHOST LIMITED, a custom software development firm, is in Royal Leamington Spa, England. Their services include Custom Software Development and Web Development.
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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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$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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$1,000+< $25 / hr50 - 249Sahibzada Ajit Singh Nagar, India
Services provided
See all 2 projectsLP INFOTECH offers services in enterprise app modernization, including automation and digital transformation solutions for CRM and website systems. The overall feedback highlights their efficient project management and responsiveness, with clients particularly impressed by their speed and ability to meet demands promptly.
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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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$5,000+$25 - $49 / hr50 - 249Overland Park, KS
Services provided
See all 1 projectsTechnology Ally is an offshore software outsourcing company which focuses on building and maintaining web and mobile software solutions for small and medium sized businesses. Technology Ally
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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
See all 1 projectsFlutterDesk 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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$25,000+$25 - $49 / hr2 - 9
Services provided
Summit Tech, a software development company, offers Custom Software Development and Web Development. The agency is located in istanbul, Türkiye.
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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 - 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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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 / 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 -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
36.3/40.018.6/20 Reviews9.9/10 Clients & Experience7.8/10 Market PresenceService focus
30% Enterprise App Modernization70% 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 -
$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 -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 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 -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
34.1/40.016.8/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$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+$50 - $99 / hr250 - 999Unterschleißheim, Germany
Ability to deliver
35.1/40.018/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.017.8/20 Reviews10/10 Clients & Experience9.1/10 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
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.