Top Application Modernization Services
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Undisclosed< $25 / hr250 - 999
Services provided
See all 6 projectsZaptech Solutions is a versatile development company offering services in mobile app, web, and IoT solutions. The company is praised for its adaptability, efficiency, and high-quality deliverables, with over 90% of reviews highlighting timely communication and strong project management. Most clients appreciate their broad skill set and ability to handle complex projects, making them a reliable long-term partner.
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$5,000+$50 - $99 / hr10 - 49Leeds, England
Services provided
See all 12 projectsDecodifi Limited is a versatile digital development company specializing in creating web and mobile applications with a focus on MVPs and tailored software solutions. Across various reviews, Decodifi Limited is praised for its collaboration, flexibility, and technical proficiency, with over 80% of clients highlighting their effective communication and responsiveness. Clients appreciate the company's dedication to understanding project goals, although some suggest improvements in project timeline estimates and quality control processes.
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$10,000+$100 - $149 / hr10 - 49Leeds, England
Services provided
See all 6 projectsNewRedo Ltd. is a software development company specializing in creating bespoke digital solutions and offering ongoing technical support. Clients consistently praise their ability to understand unique project needs and provide tailored services, contributing to significant improvements in efficiency and user satisfaction. With 100% of reviewers highlighting their professionalism, flexibility, and effective communication, NewRedo Ltd. is lauded for facilitating seamless project management and delivering high-quality, user-centric solutions.
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$1,000+$25 - $49 / hr2 - 9
Services provided
See all 8 projectsDeKnows is a versatile web development company offering a wide range of services, including website troubleshooting, custom design, development, and maintenance. Based on the reviews, 100% of clients praised their fast delivery, excellent communication, and tailored approach. They are commended for their commitment to client needs, with multiple clients noting their ability to consistently meet deadlines and exceed expectations.
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$25,000+Undisclosed10 - 49London, England
Services provided
See all 4 projectsTeksati [Husssl Ltd] is a mobile app development company known for aligning well with client values and culture. Their reviews highlight responsiveness and transparency, with 100% of reviewers praising their engagement and prototype design process. However, there is a suggestion for improved communication during development stages.
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$1,000+$100 - $149 / hr10 - 49Austin, TX
Services provided
See all 4 projectsProsigliere, Inc. is a technology recruitment and consulting firm specializing in building and scaling technology teams, with an emphasis on aligning talent with company culture and values. Client feedback is overwhelmingly positive, highlighting Prosigliere’s effective project management, seamless integration, and exceptional ability to quickly source and vet high-quality, culturally-aligned talent, with 100% of reviews praising their commitment to client success and adaptability.
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$1,000+< $25 / hr10 - 49
Services provided
See all 10 projectsTatvamasi Labs is an Enterprise Application Modernization company noted for its effective solutions in digital transformation, specifically in enhancing efficiency through software modernization. The client reviews highlight a 100% satisfaction rate with reduced processing times and excellent communication, underscoring the company's ability to modernize enterprise applications successfully.
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$5,000+< $25 / hr10 - 49Udaipur, India
Services provided
See all 1 projectsTechon Dater Systems Pvt Ltd is a technology solutions provider specializing in web and desktop application development, particularly for order and production management. The company has received positive feedback for their project management and ability to automate complex processes, with a 100% satisfaction rate among reviewers noting their responsible and knowledgeable team.
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$10,000+$50 - $99 / hr50 - 249Philadelphia, PA
Services provided
See all 12 projectsSpeed & Function is a company specializing in Enterprise App Modernization and related services, consistently praised for delivering high-quality solutions with efficient project management. Of their reviews, 100% highlighted their strong communication and adherence to timelines, while 67% mentioned their ability to align with company values and provide good value for cost.
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$1,000+$25 - $49 / hr2 - 9Kraków, Poland
Services provided
See all 1 projectsBusy Beaver Software is a web development company that provides services including website development, SEO guidance, and social media support. The company has received positive feedback, with clients appreciating their ability to translate ideas into effective websites and improve business visibility online. Approximately 100% of reviewers highlight their professionalism and reliability, though some suggest expanding their web design options.
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UndisclosedUndisclosed10 - 49
Services provided
See all 3 projectsPVA, Inc. is a specialized IT services firm focusing on OpenText Content Server and Livelink technologies, offering development, customization, and user support services. Reviews highlight their technical expertise, responsiveness, and successful project execution, with 100% positive feedback emphasizing their competence and reliability. Clients praise their effective support and long-term partnership, with occasional notes on their busy project schedule.
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$5,000+$25 - $49 / hr10 - 49
Services provided
See all 1 projectsSaadhvi Technology is a custom IT software development company, praised for delivering a stable applicant tracking system. Their well-structured and dedicated team, featuring highly skilled developers, ensures effective and timely project management. Feedback indicates 100% satisfaction, with no areas for improvement mentioned by reviewers.
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$10,000+$25 - $49 / hr250 - 999Edison, NJ
Services provided
See all 3 projectsXDuce is a versatile IT services company specializing in database services, staff augmentation, and web development. The company consistently receives positive feedback for providing highly skilled resources and maintaining strong project management practices across diverse industries. Approximately 100% of reviewers commend XDuce for their quality, customer-centric approach, and flexibility, while a few suggest expanding their expertise in cutting-edge cloud technologies.
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$10,000+$25 - $49 / hr10 - 49
Services provided
See all 5 projectsLaser Focused Solutions is a software development company specializing in custom development, support services, and system integration. They are praised for their commitment to customer satisfaction, high-quality work, and effective project management. Approximately 100% of reviewers highlight their professionalism, reliability, and the technical expertise of their team. Clients consistently commend their ability to deliver projects on time and within budget, with no negative feedback reported across reviews.
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$25,000+$25 - $49 / hr10 - 49Madrid, Spain
Services provided
See all 2 projectsSerfCompany LLC | UKRAINE OUTSOURCING | IT Development is a dedicated IT development firm specializing in web application and software platform development. Approximately 100% of clients commend their cost-effectiveness and availability, though some suggest improvements in communication skills. Despite initial challenges, clients appreciate the team's competence and dedication to quality.
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$1,000+$25 - $49 / hr2 - 9Noida, India
Services provided
See all 2 projectsNirvaat Internet Private Limited specializes in Enterprise App Modernization, focusing on web-based analytics and process optimizations. Reviews highlight their exceptional attention to detail, professionalism, and effective project management. Clients commend their ability to meet timelines and maintain strong communication, ensuring successful software modernization outcomes.
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$50,000+$50 - $99 / hr50 - 249Sahibzada Ajit Singh Nagar, India
Services provided
See all 7 projectsIntellivon is a company that specializes in Enterprise Application Modernization, focusing on app and AI development. Reviews highlight a 100% positive experience, emphasizing their expertise in AI integrations, user-friendly solutions, proactive project management, and strong alignment with client values. Clients praise their ability to simplify complex processes, maintain privacy, and deliver projects on time.
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$50,000+$50 - $99 / hr10 - 49Granadilla, Costa Rica
Services provided
See all 2 projectsCreek Software is a custom software development company known for delivering high-quality, maintainable code and progressive digital solutions. Their reviews indicate a strong commitment to project success and customer satisfaction, with 100% of reviewers acknowledging their professionalism and effective project management. Clients commend their responsiveness and dedication, with no major areas for improvement mentioned.
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$5,000+Undisclosed2 - 9Cardiff, Wales
Services provided
See all 8 projectscodeBeam, a software development company, consistently receives high praise from clients for their technical skills, professionalism, and commitment to project timelines. They excel in app development, custom software solutions, and integrations, with 100% of reviewers noting their reliability and effective project management. Clients appreciate their proactive communication and problem-solving approach, with no significant areas for improvement identified.
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$25,000+$50 - $99 / hr1,000 - 9,999Massapequa, NY
Services provided
See all 1 projectsBRQ Digital Solutions offers comprehensive development and integration services, including CRM solutions and ERP system implementations. Reviews highlight their deep understanding of client needs, adaptability, timely delivery, and exceptional Salesforce expertise. Clients consistently praise their professionalism, responsiveness, and alignment with company values, ensuring successful project outcomes.
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$10,000+$25 - $49 / hr10 - 49
Services provided
See all 2 projectsVector is a technology consulting company specializing in digital transformation, software development, and integration services. With a strong emphasis on cultural alignment and effective communication, Vector consistently delivers high-quality solutions on time and integrates seamlessly with client teams. Approximately 100% of the feedback is positive, highlighting their impressive values, skilled team, and structured project management.
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$50,000+$200 - $300 / hr10 - 49
Services provided
See all 6 projectsExtendApps is a company specializing in Enterprise App Modernization services, providing technical guidance and support for software modernization processes. With 100% positive reviews, clients praise their subject matter expertise and efficient project management, notably in guiding the deployment of applications within the NetSuite ecosystem. Their engagements are marked by timely communication and delivery, contributing to successful project outcomes.
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$5,000+$50 - $99 / hr10 - 49Istanbul, Türkiye
Services provided
See all 13 projectsVizio AI is an AI solutions and software development company specializing in building MVPs, dashboards, and data integration for various industries. With a balanced mix of positive and negative feedback, 75% of reviewers commend their timely deliveries and effective communication, while 25% highlight issues with project management and technical execution. Overall, clients appreciate their technical expertise and collaborative approach but suggest improvements in maintaining structured processes and clearer documentation.
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UndisclosedUndisclosed50 - 249Edmonton, Canada
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See all 1 projectsSheetcast is a company specializing in converting Excel-based workflows into web applications, enhancing collaboration and data integrity. According to the reviews, 100% of clients praised their responsive project management and technical depth. A notable 80% mentioned their adaptability and ability to improve client engagement with live data models. The primary suggestion for improvement was expanding their post-launch documentation.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsEvius Industri is a web development company renowned for creating websites with enhanced UI/UX designs. Based on reviews, 100% of clients commend their high-quality service and effective project management. They are highlighted for their agility, competence, and ability to drive increased traffic and leads through their work.
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$50,000+$100 - $149 / hr250 - 999Edison, NJ
Services provided
See all 1 projectsFutran Solutions is a comprehensive IT services company specializing in end-to-end application development and digital marketing. Their reviews highlight a high level of customer satisfaction, with 100% positive feedback emphasizing their robust project management and ability to deliver solutions on time. Approximately 50% of reviewers noted the convenience of having all services under one roof.
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$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
Services provided
See all 3 projectsSwan Softweb Solutions is a software development company specializing in cloud security, enterprise IoT solutions, and custom application development. With a nearly 100% positive feedback rate, clients commend their professional development team, effective communication, and dedication to project success. Many reviews highlight their technical expertise and seamless workflow integration, which has consistently led to reliable and innovative solutions.
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$5,000+$50 - $99 / hr10 - 49Kharkiv, Ukraine
Services provided
See all 1 projectsJOrange is a web development company specializing in Shopify solutions and optimization. The reviews highlight their technical proficiency and creative problem-solving abilities, with clients appreciating their ability to enhance site speed and implement innovative features. Positive feedback is prevalent, with notable praise for their fair pricing and effective project management, making them a reliable and valued partner in e-commerce development.
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$5,000+$100 - $149 / hr2 - 9Gothenburg, Sweden
Services provided
See all 3 projectseComero AB is a professional consulting firm specializing in e-commerce solutions, notably using Magento for web development and SEO services. Clients consistently praise their dedication to client success, with 100% of reviewers highlighting their commitment and expertise. While some find Magento complex, the overall feedback is overwhelmingly positive, citing excellent project management and open communication.
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$1,000+$50 - $99 / hr2 - 9
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See all 3 projectsBytewise is a web development company specializing in website design, SEO optimization, and digital presence enhancement. Across their reviews, 100% of clients praised their excellent communication and project management, with notable success in delivering responsive, high-performing websites. Positive feedback highlighted their ability to exceed expectations and tailor solutions to clients' unique needs, although some suggested enhancements in project tracking and post-launch support.
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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 - 999Miami, FL
Ability to deliver
38.1/40.019/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
25% Enterprise App Modernization75% 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 -
$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 -
$25,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35/40.017/20 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 -
$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
39.5/40.019.6/20 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 -
$10,000+$25 - $49 / 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 -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
38.7/40.019.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
32.7/40.018/20 Reviews9.8/10 Clients & Experience4.8/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
39.6/40.019.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% 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+$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 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
37.6/40.017.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
11% Enterprise App Modernization89% 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 -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
36.9/40.017/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% 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 - 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 -
$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 -
$50,000+$50 - $99 / hr250 - 999Unterschleißheim, Germany
Ability to deliver
34.9/40.017.8/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$75,000+$50 - $99 / hr50 - 249Marlborough, MA
Ability to deliver
38.9/40.020/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
10% Enterprise App Modernization90% 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 -
$10,000+$25 - $49 / hr10 - 49Ahmedabad, India
Ability to deliver
37.4/40.018.4/20 Reviews9.6/10 Clients & Experience9.5/10 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.