Top Application Modernization Services
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$1,000+$25 - $49 / hr10 - 49Gurugram, India
Services provided
Founded in 2024, Nimblem is a custom software development company. The firm specializes in Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49Ahmedabad, India
Services provided
Founded in 2011, ConceptServe technologies is an UX design agency. The company offers UX/UI Design and cloud consulting & SI, and is small.
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$1,000+< $25 / hr10 - 49Nagpur, India
Services provided
Piexxi Technology LLP is an IT staff augmentation company in Nagpur, India. Established in 2016, the team specializes in IT staff augmentation and Custom Software Development.
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$10,000+$25 - $49 / hr10 - 49Houston, TX
Services provided
Launched in 2005, AtLink Communications Inc. Is a small software development company. Their team specializes in Custom Software Development and Mobile App Development.
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$5,000+$50 - $99 / hr10 - 49San Jose, CA
Services provided
CRM consulting and SI company Clone-Tech is in San Jose, California and Nairobi, Kenya. They focus on CRM consulting and SI and ERP consulting and SI and were founded in 2022.
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$5,000+$25 - $49 / hr10 - 49Jakarta, Indonesia
Services provided
Divistant is a Jakarta, Indonesia-based business intelligence company. The team focuses on BI & big data consulting & SI and Cybersecurity.
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$1,000+$25 - $49 / hr10 - 49Greater Noida, India
Services provided
Namish Software Pvt Ltd, a website development firm, was founded in 2024. The team offers Web Development and Mobile App Development and is based in Greater Noida, India.
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UndisclosedUndisclosed10 - 49Toronto, Canada
Services provided
GlobalDWS Corporation is an IT strategy consulting company. They are in Toronto, Canada and have small team. They offer IT strategy consulting and Custom Software Development.
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$50,000+$100 - $149 / hr10 - 49Egg, Switzerland
Services provided
Established in 2017, INTENTIS, a small AI company, is in Egg, Switzerland. Their services include Artificial Intelligence and Custom Software Development.
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$1,000+$25 - $49 / hr10 - 49
Services provided
Launched in 2023, PulseHub Enterprise Private Limited is a software development company. The team focuses on Custom Software Development and Mobile App Development.
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$5,000+< $25 / hr10 - 49
Services provided
Fourchain Technologies is an IT strategy consulting company. They focus on IT strategy consulting and cloud consulting & SI and are located in Madurai, India.
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$5,000+Undisclosed10 - 49Monterrey, Mexico
Services provided
Zellship is an IT strategy consulting company. The team is located in Monterrey, Mexico, and their services include IT strategy consulting and IT managed services.
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$1,000+$25 - $49 / hr10 - 49Jaipur, India
Services provided
Acentria Technologies Pvt ltd is a SEO services firm. The Ho Chi Minh City, Vietnam-based firm was established in 2013. Their team provides Search Engine Optimization and Custom Software
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UndisclosedUndisclosed10 - 49
Services provided
Based in Almaty, Kazakhstan, Alma Innovation Group is a software development firm. Their services include Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49Addis Ababa, Ethiopia
Services provided
Vulero IT Solutions PLC is a CRM consulting and SI company. The Addis Ababa, Ethiopia-based team provides CRM consulting and SI and ERP consulting and SI.
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$10,000+$50 - $99 / 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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$1,000+Undisclosed10 - 49
Services provided
OrderEye is an e-commerce development firm in Gurugram, India. Their services include E-Commerce Development and Custom Software Development.
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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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$10,000+$50 - $99 / hr10 - 49Sandton, South Africa
Services provided
Mkhaya MK is a big data analytics company. Established in 2014, the firm is based in Sandton, South Africa. Their services include BI & big data consulting & SI and ERP 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+$100 - $149 / hr10 - 49Karachi, Pakistan
Services provided
Hail. Technologies, a SEO agency, is based in Karachi, Pakistan. They focus on Search Engine Optimization and Web Development.
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UndisclosedUndisclosed10 - 49San Ramon, CA
Services provided
Cidersoft is a web design company. The San Ramon, California-based team provides Web Design and UX/UI Design.
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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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UndisclosedUndisclosed10 - 49Glastonbury, CT
Services provided
Data Based Development Systems is a big data company. The team offers BI & big data consulting & SI and cloud consulting & SI, and the firm is based in Glastonbury, Connecticut.
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$5,000+$25 - $49 / hr10 - 49Bishkek, Kyrgyzstan
Services provided
Innovatix web studio is a custom software development firm. The Bishkek, Kyrgyzstan-based firm was founded in 2022. Their team offers Custom Software Development and Web Development.
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$1,000+$25 - $49 / hr10 - 49
Services provided
ToD Technologies, a web design company, is based in Noida, India. They specialize in Web Design and UX/UI Design.
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$10,000+Undisclosed10 - 49Mount White, Australia
Services provided
Established in 2016, Obiquitech is an IT managed services company. The team specializes in IT managed services and IT staff augmentation.
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$25,000+$200 - $300 / hr10 - 49
Services provided
Valerian is a Menifee, California-based custom software development company. They offer Custom Software Development and Enterprise App Modernization and were launched in 2018.
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$10,000+$150 - $199 / hr10 - 49Sydney, Australia
Services provided
Argenti, an IT strategy consulting company, was launched in 2010. They focuses on IT strategy consulting and BI & big data consulting & SI.
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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.