Top Application Modernization Services
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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+$50 - $99 / hr10 - 49Scottsdale, AZ
Services provided
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+$50 - $99 / hr50 - 249Manchester, England
Services provided
See all 7 projectsHashbyt - AI-First Leading Frontend & UI/UX SaaS Partner excels in offering comprehensive UI/UX design and frontend development services. The company is praised for its cultural fit, alignment with client values, and expertise in complex workflows, which is highlighted by a 100% positive feedback rate. Clients consistently commend their effective project management and ability to transform intricate systems for enhanced usability, although some suggest improved documentation during handovers.
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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
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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
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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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
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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
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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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$5,000+Undisclosed10 - 49Greenville, SC
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See all 1 projectsOrange Bees is a software development company specializing in building custom database solutions and seamless CRM integrations. The company is praised for its flexibility and thoroughness, with 100% of reviewers highlighting their ability to adapt to diverse client needs. Clients appreciate their effective project management, though they suggest improvements in role definition. Overall, Orange Bees is highly recommended for collaborative and complex projects.
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$5,000+$50 - $99 / hr10 - 49Buenos Aires, Argentina
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See all 1 projectsMG, a software integration company, is noted for its expertise in developing integration solutions between ERP and WMS systems. The feedback is overwhelmingly positive, with 100% of reviewers praising their timely delivery and error-free execution. Clients appreciate MG's know-how and cultural fit, highlighting their impressive project management skills.
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$1,000+< $25 / hr2 - 9Luhans'k, Ukraine
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See all 1 projectsWonderkid Studio is a programming and web development company known for building custom websites and implementing client ideas effectively. Positive feedback highlights their competence, reliability, and customer service, with 100% of reviewers praising their problem-solving ability and project management. However, some noted improvements could be made regarding project speed due to resource balancing.
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$50,000+$100 - $149 / hr50 - 249Herndon, VA
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See all 1 projectsSolution Street is a web development company specializing in creating sophisticated web-based platforms with robust administrative back ends and intuitive user interfaces. The company has received 100% positive feedback, with clients praising their responsiveness, ability to grasp complex concepts, and the significant business growth facilitated by their solutions.
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$75,000+$150 - $199 / hr50 - 249Vancouver, Canada
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See all 2 projectsPurely CRM via Endeavour Solutions is a CRM consulting firm specializing in Microsoft Dynamics implementation and migration services. Reviews highlight their effective project management, with 100% of clients noting strong communication and timely delivery. Customers appreciate their professionalism and low-friction collaboration, with minor suggestions for expanding beyond CRM to other Microsoft tools. Overall, the feedback is overwhelmingly positive, emphasizing their expertise and client satisfaction.
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Undisclosed$50 - $99 / hr50 - 249Wrocław, Poland
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See all 2 projectsSofixit is a software engineering and mobile app development company noted for its technical competence and efficient project management. They successfully deliver projects on time and within budget, with 100% of reviewers praising their responsiveness and ability to meet client needs. Their blend of technical expertise and client-focused communication is frequently highlighted as a strength.
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$5,000+$100 - $149 / hr10 - 49Neuilly-sur-Seine, France
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Userware is an Enterprise App Modernization company. The company is located in Neuilly-sur-Seine, France. Their services include Enterprise App Modernization and Custom Software Development.
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$25,000+$25 - $49 / hr10 - 49Kyiv, Ukraine
Services provided
See all 1 projectsSourceX is a software development company specializing in telecommunications, focusing on billing and CRM systems using technologies like Java and React.js. Customers report a 100% satisfaction rate, highlighting their telecommunications expertise and flexibility in project scope. All reviews reflect positive outcomes and recommend SourceX for software development in the telecom sector.
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$50,000+Undisclosed10 - 49Rajkot, India
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See all 2 projectsTark Technologies is a company specializing in Enterprise Application Modernization, offering comprehensive software modernization services. Their reviews are overwhelmingly positive, with clients praising their ability to modernize legacy systems effectively, their reliable 24/7 support, and their collaborative project management approach. Approximately 90% of feedback highlights their professionalism and capacity for enhancing product features significantly.
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$25,000+$50 - $99 / hr10 - 49Chennai, India
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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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Undisclosed$25 - $49 / hr1,000 - 9,999
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See all 1 projectsEtech Technology Solutions specializes in comprehensive digital marketing services, offering expertise in areas such as YouTube channel relaunches and podcast production. Reviews highlight a strong alignment with client values and commendable project management, with an emphasis on timely delivery and client responsiveness. Notably, 100% of the feedback is positive, emphasizing the company's dedication to service.
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$5,000+Undisclosed50 - 249Jaipur, India
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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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$5,000+$25 - $49 / hr2 - 9In-Naxxar, Malta
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See all 4 projectsKaapisoft Ltd is a software development company specializing in creating customized solutions for various industries, from telecoms to legal services. The company is highly praised for its strong communication skills, timely delivery, and thorough understanding of client requirements, with 100% of reviewers expressing satisfaction with their projects. Clients appreciate the company's ability to adapt to changing needs and provide professional recommendations.
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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
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 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 -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
37.5/40.019/20 Reviews10/10 Clients & Experience8.5/10 Market PresenceService focus
25% Enterprise App Modernization75% 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 - 9,999New 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
39.7/40.019.8/20 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 -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38/40.018.2/20 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 -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
38.4/40.018.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
32.1/40.017.4/20 Reviews9.8/10 Clients & Experience4.8/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
33.7/40.016.4/20 Reviews10/10 Clients & Experience7.3/10 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 - 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 -
$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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.017.8/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249Toronto, Canada
Ability to deliver
37.9/40.020/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
15% Enterprise App Modernization85% 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 -
$100,000+$25 - $49 / hr50 - 249Melbourne, Australia
Ability to deliver
32.7/40.016.2/20 Reviews8.4/10 Clients & Experience8.1/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$25,000+$50 - $99 / hr50 - 249Rybnik, Poland
Ability to deliver
34.7/40.016.8/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
30% Enterprise App Modernization70% 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.