Top Application Modernization Services
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$5,000+$100 - $149 / hr2 - 9Montréal, Canada
Services provided
Novex Digital is a website development firm. Their small team of employees is in Montréal, Canada. Their team provides Web Development and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9Kolkata, India
Services provided
Custom software development firm Orus Studio is based in Kolkata, India. They offer Custom Software Development and Web Development and were established in 2023.
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$1,000+$25 - $49 / hr2 - 9
Services provided
In Muscat, Oman, Ofoq Modern Technology افق التکنلوجیا الحدیثه is a cloud consulting & SI company. The team focuses on cloud consulting & SI and CRM consulting and SI.
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$1,000+$50 - $99 / hr2 - 9Cochabamba, Bolivia
Services provided
Helium is a web development company. Based in Cochabamba, Bolivia, the company was founded in 2026. Their services include Web Development and Custom Software Development.
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Undisclosed< $25 / hr2 - 9Surat, India
Services provided
Streamline Ideas is a web development firm. Based in Surat, India, their small team provides Web Development and Custom Software Development. The company was launched in 2021.
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$5,000+$25 - $49 / hr2 - 9Hyderabad, India
Services provided
AugmenTrait Pvt. Ltd. Is a small custom software development company founded in 2026. Their team offers Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9
Services provided
Groupe Kotra is a small terrebonne, Canada-based Digital Strategy company. The team focuses on Digital Strategy and IT strategy consulting.
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$1,000+$25 - $49 / hr2 - 9
Services provided
NextPhases is a custom software development firm. They are located in Lusaka, Zambia and have small team. They focus on Custom Software Development and Web Development.
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$1,000+$100 - $149 / hr2 - 9Norman, OK
Services provided
Launched in 2026, Eclivia is a Product Marketing company. The small team offers Product Marketing and Custom Software Development.
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$10,000+$100 - $149 / hr2 - 9
Services provided
AlienX Engineering is an artificial intelligence firm. The luton, England-based agency was founded in 2022. Their services include Artificial Intelligence and Custom Software Development.
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UndisclosedUndisclosed2 - 9Nashik, India
Services provided
Software development company ShivoraAi Solutions was founded in 2026. The firm focuses on Custom Software Development and Web Development, and is small.
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$5,000+$25 - $49 / hr2 - 9Lahore, Pakistan
Services provided
Reivex Tech is a website development company. The Lahore, Pakistan-based agency was launched in 2025. Their services include Web Development and API Development.
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$1,000+$25 - $49 / hr2 - 9
Services provided
EliteX Web is a small Gurugram, India-based software development firm. The team offers Custom Software Development and Web Development.
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$5,000+$25 - $49 / hr2 - 9Chennai, India
Services provided
Sparkable is an AI development company founded in 2025. In Chennai, India and Puducherry, India, the team offers Artificial Intelligence and Custom Software Development.
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$1,000+Undisclosed2 - 9
Services provided
Software development firm XORS Software is headquartered in Boston, Massachusetts. Their services include Custom Software Development and Artificial Intelligence.
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$5,000+$50 - $99 / hr2 - 9Vila Nova de Gaia, Portugal
Services provided
CRM consulting and SI company Azimute was founded in 2022. The team specializes in CRM consulting and SI and Custom Software Development.
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$1,000+$50 - $99 / hr2 - 9Sharjah, United Arab Emirates
Services provided
IT strategy consulting company Hub Horizon LLC. Was launched in 2019. The team provides IT strategy consulting and Custom Software Development and is located in Sharjah, United Arab Emirates.
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$1,000+< $25 / hr2 - 9
Services provided
Geeks Infotech is a small API Development company established in 2022. Their team specializes in API Development and Custom Software Development.
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$1,000+$25 - $49 / hr2 - 9Providencia, Chile
Services provided
Services Technology GS is a software development company. They are in Providencia, Chile and have small team. They offer Custom Software Development and Web Development.
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$5,000+$200 - $300 / hr2 - 9
Services provided
ENKII is an app development company. They specialize in Mobile App Development and UX/UI Design and were established in 2024.
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$1,000+$25 - $49 / hr2 - 9
Services provided
Starset - Solutions is a software development firm. Based in Bidar, India, their small team provides Custom Software Development and Web Development. The company was founded in 2025.
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$5,000+$25 - $49 / hr2 - 9Peliyagoda, Sri Lanka
Services provided
Celsius IT is a software development company. The company is in Peliyagoda, Sri Lanka. Their team specializes in Custom Software Development and Web Development.
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$1,000+< $25 / hr2 - 9Meknès, Morocco
Services provided
IDIXUS is a social media marketing company based in Meknès, Morocco. They specialize in Social Media Marketing and Low/No Code Development.
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$10,000+$50 - $99 / hr2 - 9Ahmedabad, India
Services provided
Modulus Infosystems is a software development firm located in Ahmedabad, India. Established in 2025, the team provides Custom Software Development and Artificial Intelligence.
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$5,000+$50 - $99 / hr2 - 9Silver Spring, MD
Services provided
Launched in 2024, Gray Fox Digital is a small social media marketing firm. Their services include Social Media Marketing and Search Engine Optimization.
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$1,000+$25 - $49 / hr2 - 9Surat, India
Services provided
Custom software development firm Akinven Pvt Ltd was founded in 2025. The firm specializes in Custom Software Development and Web Development.
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UndisclosedUndisclosed2 - 9Ciudad de Guatemala, Guatemala
Services provided
Nabenik is a software development firm. Launched in 2014, their team offers Custom Software Development and Enterprise App Modernization.
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$1,000+$200 - $300 / hr10 - 49Waltham, MA
Services provided
See all 5 projectsPractical Computer Applications (PCApps) is a software modernization company specializing in Enterprise Application Modernization. With a 100% positive feedback rate, they are praised for their flawless delivery, exceptional team communication, and adherence to project timelines. Reviewers highlight their effective conversion of legacy systems, underscoring their competence in digital transformation and IT modernization.
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$10,000+$50 - $99 / hr10 - 49Budapest, Hungary
Services provided
Small Enterprise App Modernization company Wanari, is in Budapest, Hungary. Their services include Enterprise App Modernization and Mobile App Development.
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$5,000+$100 - $149 / hr10 - 49Wan Chai, Hong Kong
Services provided
WestcomZivo Limited is an Enterprise App Modernization company. Based in Wan Chai, Hong Kong, the agency focuses on Enterprise App Modernization and Web Development.
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List of the Top 15 Legacy Modernization Services
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$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
38.5/40.019.4/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$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 / 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 / hr50 - 249Miami, FL
Ability to deliver
35/40.017/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
34.2/40.018.6/20 Reviews9.8/10 Clients & Experience5.7/10 Market PresenceService focus
60% Enterprise App Modernization40% 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 -
$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 / hr1,000 - 9,999Kraków, 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
37.3/40.017.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
39.1/40.019.6/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.9/40.019/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
36.8/40.017.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
36.8/40.016.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% 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 -
$50,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
36/40.016.6/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
36/40.016.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$100 - $149 / hr10 - 49Costa Mesa, CA
Ability to deliver
36.8/40.018/20 Reviews10/10 Clients & Experience8.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr250 - 999Lakeville, MN
Ability to deliver
37/40.017.2/20 Reviews9.9/10 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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$25 - $49 / hr50 - 249Warszawa, Poland
Ability to deliver
38.3/40.019.2/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
33.3/40.016/20 Reviews10/10 Clients & Experience7.3/10 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 -
$10,000+$25 - $49 / hr50 - 249Portland, OR
Ability to deliver
35.1/40.016.8/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
36.5/40.016.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% 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
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.