Top Application Modernization Services
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$1,000+$25 - $49 / hr10 - 49Singapore, Singapore
Services provided
SbPowerDev is a small business intelligence company headquartered in Singapore, Singapore and Noida, India. The team focuses on BI & big data consulting & SI and IT managed services.
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$10,000+< $25 / hr10 - 49
Services provided
Onelogica is a cloud consulting & SI company. They were launched in 2023 and focus on cloud consulting & SI and CRM consulting and SI.
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$5,000+$50 - $99 / hr10 - 49
Services provided
Founded in 2022, Quite Binary is an ERP consulting and SI company. The firm offers ERP consulting and SI and BI & big data consulting & SI, and is small.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
Services provided
TechAbbot Technology Services Pvt. Ltd. Is an Ahmedabad, India-based custom software development firm. Their services include Custom Software Development and Mobile App Development.
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Undisclosed$25 - $49 / hr10 - 49Varna, Bulgaria
Services provided
NexGen is a Burgas, Bulgaria-based software development company. They provide Custom Software Development and IT strategy consulting and were launched in 2014.
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$1,000+$25 - $49 / hr10 - 49Dhaka, Bangladesh
Services provided
Founded in 2019, Levant IT Solution is a Digital Strategy company. The team offers Digital Strategy and Social Media Marketing and is based in Dhaka, Bangladesh and Dhaka, Bangladesh.
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$1,000+$50 - $99 / hr10 - 49Sydney, Australia
Services provided
Neurointeractive, an user experience design company, is in Sydney, Australia. They specialize in UX/UI Design and Web Design and were launched in 2015.
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$1,000+$50 - $99 / hr10 - 49
Services provided
Oronium Innovations Pvt. Ltd. Is a web development firm. Launched in 2021, the team provides Web Development and Mobile App Development.
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$1,000+Undisclosed10 - 49
Services provided
Small Other Application Development company Warely Technology, is headquartered in Singapore, Singapore. The team focuses on Other Application Development and Web Development.
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$5,000+$50 - $99 / hr10 - 49Nice, France
Services provided
PENOVA is a custom software development firm. Their small team of employees is based in Nice, France. Their team offers Custom Software Development and Document Digitization & Management.
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Undisclosed$50 - $99 / hr10 - 49
Services provided
Tealberg is a Dubai, United Arab Emirates-based Low/No Code Development company. Launched in 2022, the team specializes in Low/No Code Development and Robotics Process Automation.
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$5,000+$100 - $149 / hr10 - 49London, England
Services provided
CRM consulting and SI company Three Grey Monkeys is located in London, England. They focus on CRM consulting and SI and Mobile App Development and were launched in 2012.
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$1,000+< $25 / hr10 - 49
Services provided
AIPOPULI TECHNOLOGIES PVT LTD is a custom software development company established in 2019. The small team provides Custom Software Development and Web Development.
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$1,000+Undisclosed10 - 49
Services provided
CodeCrew is a software development company. Located in Sofia, Bulgaria, the agency was founded in 2020. Their services include Custom Software Development and UX/UI Design.
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UndisclosedUndisclosed10 - 49
Services provided
Stackdrop is a small Kallithea, Greece-based Low/No Code Development company. The team provides Low/No Code Development and Custom Software Development.
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$1,000+$25 - $49 / hr10 - 49
Services provided
Innovative Widget is a custom software development firm launched in 2019. The team offers Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr10 - 49Lagos, Nigeria
Services provided
Excellium Business Limited is a Lagos, Nigeria-based ERP consulting and SI company. They offer ERP consulting and SI and Call Center Services.
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UndisclosedUndisclosed10 - 49
Services provided
Aryabh Consulting inc. Is an IT managed services company. They offer IT managed services and Custom Software Development and are located in Florida, Florida.
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$1,000+$50 - $99 / hr10 - 49Gurugram, India
Services provided
Flutter India, a web design company, was established in 2015. The small team specializes in Web Design and UX/UI Design.
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$10,000+$50 - $99 / hr10 - 49
Services provided
Tabel Data Informatika, PT is a software development company. In Kota Bandung, Indonesia, the company was founded in 2016. Their services include Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49Ranchi, India
Services provided
Launched in 2022, Krantecq Solutions Pvt Ltd is a small software development firm. Their team offers Custom Software Development and Mobile App Development.
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$10,000+< $25 / hr10 - 49
Services provided
DataQ Technology, a Low/No Code Development company, provide Low/No Code Development and Application Management & Support. They were launched in 2022.
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$1,000+< $25 / hr10 - 49
Services provided
Appsymmetrix Technology Private Limited is a software development firm established in 2024. The agency focuses on Custom Software Development and Web Development, and is small.
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$5,000+$50 - $99 / hr2 - 9Marunji, India
Services provided
Based in Marunji, India, Incquet Solutions is a small CRM consulting and SI company. Their services include CRM consulting and SI and ERP consulting and SI.
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$1,000+$300+ / hr50 - 249Antony, France
Services provided
Launched in 2005, SoftFluent is a midsize software development firm. Their services include Custom Software Development and IT staff augmentation.
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UndisclosedUndisclosed10 - 49Dubai, United Arab Emirates
Services provided
Metafiser, a data analytics company, was launched in 2023. The team focuses on BI & big data consulting & SI and AI Consulting.
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$1,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
Services provided
CyberBox is a web development firm. They focus on Web Development and Mobile App Development and were founded in 2023.
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$1,000+< $25 / hr2 - 9Dar es Salaam, Tanzania
Services provided
IT managed services company Bigbee Technology Limited was founded in 2015. The team specializes in IT managed services and CRM consulting and SI.
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$10,000+$50 - $99 / hrFreelancer
Services provided
Located in Asnières-sur-Seine, France, Devedanos is a software development firm. Launched in 2022, the team focuses on Custom Software Development and UX/UI Design.
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$1,000+$25 - $49 / hr2 - 9Cairo, Egypt
Services provided
See all 2 projectsAt VertiSolutions, we are a forward-thinking technology company that delivers innovative software solutions that empower businesses to thrive in a dynamic and competitive landscape. With a deep
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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
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 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
37.5/40.019/20 Reviews10/10 Clients & Experience8.5/10 Market PresenceService focus
25% Enterprise App Modernization75% 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 -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Enterprise App Modernization90% 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 -
$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 -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.7/40.019.8/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
37.3/40.017.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% 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 -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
38.4/40.018.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
32.1/40.017.4/20 Reviews9.8/10 Clients & Experience4.8/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
33.7/40.016.4/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$50,000+$150 - $199 / hr50 - 249Montréal, Canada
Ability to deliver
37.5/40.017.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$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+$50 - $99 / hr50 - 249Prague, Czech Republic
Ability to deliver
39.2/40.020/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$100 - $149 / hr50 - 249Belfast, Northern Ireland
Ability to deliver
37/40.017.2/20 Reviews10/10 Clients & Experience9.8/10 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+$50 - $99 / hr50 - 249Toronto, Canada
Ability to deliver
37.9/40.020/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
15% Enterprise App Modernization85% 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 -
$100,000+$25 - $49 / hr50 - 249Melbourne, Australia
Ability to deliver
32.7/40.016.2/20 Reviews8.4/10 Clients & Experience8.1/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$25,000+$50 - $99 / hr50 - 249Rybnik, Poland
Ability to deliver
34.7/40.016.8/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
30% Enterprise App Modernization70% 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.