Top Application Modernization Services
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Undisclosed< $25 / hr10 - 49Raipur, India
Services provided
See all 1 projectsYourSofter IT Service Pvt. Ltd. is a software development company specializing in creating custom solutions like school management systems and websites. Feedback highlights their attention to detail, effective project management, and technical expertise, with 100% of reviewers noting satisfaction. Their ability to translate client needs into comprehensive solutions is highly praised, with no areas identified for improvement.
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$50,000+$50 - $99 / hr250 - 999Plano, TX
Services provided
See all 7 projectsDigicode is a comprehensive software development company specializing in creating custom mobile applications, web platforms, and e-commerce solutions. Their reviews highlight a strong commitment to project management, expertise, and adaptability, with over 90% of feedback emphasizing their professionalism and responsiveness. Clients consistently appreciate their ability to deliver quality products on time and within budget, often noting their collaborative and flexible approach.
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$10,000+$50 - $99 / hr10 - 49Timișoara, Romania
Services provided
See all 2 projectsDevPlant is a development company specializing in web and mobile application development, known for their strong project management and effective communication skills. Approximately 100% of reviewers highlight their professionalism and compatibility with company values, with 50% noting their ability to deliver within set timelines. Clients appreciate their technical expertise and the seamless integration into their teams.
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$10,000+$25 - $49 / hr10 - 49Singapore, Singapore
Services provided
See all 1 projectsSleekDigital is a versatile software development company specializing in ERP, CRM, and project management systems available on web and mobile platforms. Clients appreciate their reasonable pricing and proactive approach, with 100% of reviewers highlighting their effort to understand business needs. While project timelines may slightly extend, they maintain strong project management practices, providing regular updates.
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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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$5,000+Undisclosed50 - 249Jaipur, India
Services provided
See all 1 projectsAppbay Technologies Private Limited is a technology consultancy specializing in digital transformation solutions, particularly in Appian BPM for financial services. Reviewers commend their expertise, with 100% praising their project management, responsiveness, and ability to improve operational efficiency by 30–40%. Clients value their proactive approach and alignment with company values, with no major areas for improvement noted.
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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+$50 - $99 / hr2 - 9
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See all 2 projectsPhanoon Software Solutions is a versatile web development company specializing in comprehensive branding, e-commerce solutions, and website management. Reviews highlight their professionalism, creativity, and strong communication, with 100% positive feedback regarding their ability to deliver on time and maintain client engagement. Approximately 60% of clients noted improvements in user experience and customer engagement post-implementation.
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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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$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
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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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$25,000+$50 - $99 / hr10 - 49Chennai, India
Services provided
See all 1 projectsNYL Technology is a versatile tech firm offering comprehensive AI and generative AI solutions, specializing in maritime and eCommerce sectors. With a strong emphasis on agile, cost-effective development, they maintain a 90%+ on-time project delivery rate. Their expertise in custom AI models and innovative solutions has been praised, with 95% of issues addressed effectively.
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$10,000+$25 - $49 / hr250 - 999Edison, NJ
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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
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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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$1,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 4 projectsKrazio Cloud Pvt. Ltd. is a marketing service provider with expertise in WhatsApp marketing. Their work has resulted in a 60% response rate and a 4% deal close rate, demonstrating successful outcomes. Feedback highlights their professionalism, timely delivery, and responsive team, with 100% positive remarks and no suggestions for improvement.
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$25,000+$25 - $49 / hr10 - 49Madrid, Spain
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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+$50 - $99 / hr10 - 49Scottsdale, AZ
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See all 1 projectsETT is a technology solutions company specializing in creating custom applications and interactive digital experiences. The company consistently received perfect client scores, with 100% of reviewers highlighting their effective communication and timely project delivery. Feedback emphasized ETT's dedication to project enhancement and seamless collaboration with client teams.
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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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$5,000+$25 - $49 / hr50 - 249Jaipur, India
Services provided
See all 10 projectsMagnisys is a technology solutions company specializing in developing mobile and VR applications to enhance operational efficiency and customer engagement. Across multiple projects, clients report 100% satisfaction with their ability to deliver on-time, foresee issues, and provide innovative solutions. Approximately 85% of reviewers commend their seamless integration of technology with customer needs.
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$50,000+$50 - $99 / hr50 - 249Sahibzada Ajit Singh Nagar, India
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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
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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
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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
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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
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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
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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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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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List of the Top 15 Legacy Modernization Services
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$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
36.9/40.019.2/20 Reviews9.9/10 Clients & Experience7.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$5,000+< $25 / hr1,000 - 9,999San Jose, CA
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 - 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+$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 - 9,999Atlanta, GA
Ability to deliver
37.4/40.017.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38.8/40.019/20 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 -
$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 -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
34.1/40.016.8/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
38/40.018.4/20 Reviews10/10 Clients & Experience9.6/10 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 - 249Rybnik, Poland
Ability to deliver
35.1/40.017.2/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$25 - $49 / hr250 - 999Stuttgart, Germany
Ability to deliver
37.9/40.018.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$100 - $149 / hr50 - 249Belfast, Northern Ireland
Ability to deliver
36.9/40.017.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$5,000+< $25 / hr50 - 249Ahmedabad, India
Ability to deliver
36.9/40.018/20 Reviews9.6/10 Clients & Experience9.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$25 - $49 / hr50 - 249Melbourne, Australia
Ability to deliver
32.9/40.016.4/20 Reviews8.4/10 Clients & Experience8.1/10 Market PresenceService focus
40% Enterprise App Modernization60% 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 -
$25,000+$50 - $99 / hr250 - 999Warszawa, Poland
Ability to deliver
34.6/40.016/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$250,000+$50 - $99 / hr250 - 999Broomfield, CO
Ability to deliver
37.5/40.017.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$50 - $99 / hr50 - 249Prague, Czech Republic
Ability to deliver
38.5/40.019.4/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
30.4/40.017.4/20 Reviews8.2/10 Clients & Experience4.8/10 Market PresenceService focus
60% Enterprise App Modernization40% 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.