Top Application Modernization Services
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UndisclosedUndisclosed10 - 49Lahore, Pakistan
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See all 1 projectsTechXpert specializes in developing and publishing mobile applications, offering valuable solutions for businesses in the arts, entertainment, and music sectors. Clients consistently praise the company for its timely delivery, effective project management, and responsive communication. TechXpert is noted for providing good value for cost and for being readily available to address client inquiries and project modifications.
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$50,000+$100 - $149 / hr2 - 9Norfolk, VA
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Langa (Out of Business) is a custom software development company headquartered in Norfolk, Virginia. The team focuses on Custom Software Development and Web Development.
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$1,000+< $25 / hr50 - 249Chișinău, Moldova
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INDRIVO is a custom software development firm. They are based in Chișinău, Moldova and București, Romania and have midsize team. They provide Custom Software Development and Web Development.
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$25,000+$50 - $99 / hr50 - 249Morrisville, NC
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In Morrisville, North Carolina, Medullus Systems is a software development company. Established in 2004, the team provides Custom Software Development and Mobile App Development.
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$100,000+$100 - $149 / hr50 - 249Washington, DC
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IdeaCrew is a Washington, District of Columbia-based website development firm. Founded in 2002, the team offers Web Development and Custom Software Development.
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$1,000+$25 - $49 / hr50 - 249
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Odata Solutions provides comprehensive services in ERP, HR, and CRM functions, with a strong focus on software modernization and application modernization. Customer feedback highlights their cost-effective, flexible ERP solutions and dedicated, timely support. Clients particularly appreciate their ability to manage retail business activities effectively through secure payment gateways and intelligent data synchronization.
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$5,000+$50 - $99 / hr50 - 249Warszawa, Poland
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Business intelligence company Sorigo is in Warszawa, Poland. They offer BI & big data consulting & SI and cloud consulting & SI and were launched in 2016.
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$5,000+$25 - $49 / hr50 - 249Rio de Janeiro, Brazil
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IInterativa, a midsize mobile application development company, is located in Rio de Janeiro, Brazil. Their services include Mobile App Development and Enterprise App Modernization.
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$5,000+$100 - $149 / hr50 - 249Vancouver, Canada
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Based in Vancouver, Canada and Toronto, Canada, Softlanding is an IT strategy consulting company. They offer IT strategy consulting and BI & big data consulting & SI.
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$5,000+< $25 / hr10 - 49Kochi, India
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INI TECHNOLOGIES PVT LTD is an Enterprise App Modernization company. Based in Kochi, India, the firm offers Enterprise App Modernization and Web Development.
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$50,000+$300+ / hr50 - 249Manchester, England
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Robiquity is an IT strategy consulting company. Based in Manchester, England and Toronto, Canada, the team provides IT strategy consulting and cloud consulting & SI.
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$10,000+$25 - $49 / hr50 - 249Chennai, India
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See all 1 projectsTeam Tweaks Technologies Pvt. Ltd specializes in mobile app development for Android, iOS, and Flutter. Clients consistently praise their experienced and talented developers, effective project management, and strong focus on client satisfaction. However, some reviews suggest improvements in communication, documentation, and testing practices. Overall, Team Tweaks is highly recommended for their expertise and commitment to delivering quality projects.
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$25,000+< $25 / hr50 - 249Sassari, Italy
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Abinsula is a custom software development firm. The midsize Sassari, Italy-based team offers Custom Software Development and IoT development. The agency was founded in 2012.
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UndisclosedUndisclosed50 - 249Calgary, Canada
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Vista Projects is an other IT consulting and SI company. They are in Calgary, Canada and Houston, Texas and have midsize team. They provide other IT consulting and SI and Business Consulting.
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$25,000+$150 - $199 / hr10 - 49Vancouver, Canada
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Invoke is a custom software development company. The Vancouver, Canada-based firm focuses on Custom Software Development and UX/UI Design.
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$25,000+$100 - $149 / hr10 - 49Bolingbrook, IL
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Al Rafay Consulting is a cloud consulting & SI company. The team provides cloud consulting & SI and Artificial Intelligence, and the agency is based in Bolingbrook, Illinois and Karachi, Pakistan.
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$10,000+$25 - $49 / hr10 - 49Guwahati, India
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See all 1 projectsCodepilot Technologies Pvt Ltd specializes in web development, providing services that include website revamps to enhance visual appeal and user engagement. Clients appreciate their vision and the thorough planning they offer, which leads to successful project outcomes such as increased website traffic. The company's leadership and technical expertise are highlighted as key strengths in delivering client satisfaction.
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$5,000+< $25 / hr50 - 249
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Mobrill, a mobile application development company, was established in 2015. The team offers Mobile App Development and UX/UI Design and is in Noida, India.
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$1,000+$50 - $99 / hr2 - 9Brandýs nad Labem-Stará Boleslav 1, Czech Republic
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Beta is a cloud consulting & SI company founded in 2021. The team specializes in cloud consulting & SI and BI & big data consulting & SI.
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UndisclosedUndisclosed10 - 49Ahmedabad, India
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Archirayan Infotech is an Enterprise App Modernization company. Established in 2011, the agency focuses on Enterprise App Modernization and Application Management & Support.
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Undisclosed< $25 / hr10 - 49
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Based in East Godavari, India, Agumentik Software Private Limited is a custom software development firm. The team provides Custom Software Development and Search Engine Optimization.
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$10,000+$50 - $99 / hr10 - 49Atlanta, GA
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Honest App Guys is a mobile app development company. They are in Atlanta, Georgia, and their services include Mobile App Development and Enterprise App Modernization.
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$10,000+$25 - $49 / hr10 - 49Cluj-Napoca, Romania
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Knoxon Technologies is a custom software development company headquartered in Cluj-Napoca, Romania. Their services include Custom Software Development and Enterprise App Modernization.
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$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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Acceleanation is a Montevideo, Uruguay-based ERP consulting and SI company. The team offers ERP consulting and SI and Custom Software Development.
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$10,000+$25 - $49 / hr10 - 49Tallinn, Estonia
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Inity is an Enterprise App Modernization company. The team offers Enterprise App Modernization and Custom Software Development and is based in Tallinn, Estonia.
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$1,000+$25 - $49 / hr10 - 49Kochi, India
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Small custom software development company Excelledia Digital Innovation, is headquartered in Kochi, India. Their services include Custom Software Development and Enterprise App Modernization.
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$5,000+$50 - $99 / hr10 - 49Houston, TX
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Oaperg, a small software development firm, is headquartered in Houston, Texas. Their services include Custom Software Development and Enterprise App Modernization.
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$10,000+$50 - $99 / hr10 - 49L'viv, Ukraine
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CRM consulting and SI company Edver was founded in 2020. The small team provides CRM consulting and SI and IT managed services.
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$1,000+$50 - $99 / hr10 - 49Nairobi, Kenya
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MBM Africa is a custom software development firm. They are headquartered in Nairobi, Kenya and Cambridge, Massachusetts. Their team provides Custom Software Development and IT strategy consulting.
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$50,000+$150 - $199 / hr10 - 49Houston, TX
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Axon Collective, LLC is a cloud consulting & SI company. The company is in Houston, Texas. Their team focuses on cloud consulting & SI and Custom Software Development.
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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.