Top Application Modernization Services
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$10,000+$25 - $49 / hr10 - 49Mumbai, India
Services provided
See all 1 projectsCodezen Tech Solutions is a web development company praised for its quick execution and effective project management, with 100% of reviewers highlighting their ability to exceed expectations. While their task prioritization could improve, clients, such as a bamboo manufacturing consultant, commend their ability to enhance competitive web presence within a modest budget.
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$1,000+Undisclosed50 - 249Mumbai, India
Services provided
See all 1 projectsSynergetics Cloud Consulting is a distinguished cloud consulting firm specializing in Azure Cloud solutions. Their services are highly rated, with 100% positive feedback lauding their expertise and support. Clients consistently highlight the team's deep Azure knowledge and their proactive assistance in cloud migration and ongoing support.
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$1,000+$50 - $99 / hr10 - 49
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See all 1 projectsDataGenius Technologies LLC is a custom software development company specializing in UI design and development. The overall feedback is overwhelmingly positive, with clients praising their helpfulness, knowledge, and communication skills. The company has played a significant role in assisting clients to meet their business objectives and foster growth in their respective sectors.
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$10,000+$25 - $49 / hr50 - 249Bengaluru, India
Services provided
See all 7 projectsRokkun is a comprehensive technology solutions provider, specializing in web development, app creation, and custom software applications. Reviews highlight their proactive project management, flexibility, and commitment to client needs, with 100% positive feedback regarding their responsiveness and innovation. Rokkun is praised for delivering projects on time and within budget, and for their strong partnerships with clients.
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$25,000+$50 - $99 / hr250 - 999
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See all 4 projectsDevelonica Inc., previously known as Aplana Software Services, is a versatile software development company that offers comprehensive tech consulting and development services. Reviews indicate a high level of client satisfaction, with around 90% praising their effective project management, communication, and innovative solutions. Clients appreciate their flexibility, attention to detail, and ability to integrate seamlessly with existing teams.
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$10,000+$25 - $49 / hr250 - 999Minneapolis, MN
Services provided
See all 1 projectsContata is a software development company specializing in creating web-based applications. The reviews highlight their strong project management skills and ability to deliver on time, with 100% of reviewers noting improved user engagement and satisfaction. Clients praise their responsiveness and commitment, with no recommendations for improvement, showcasing a high level of client satisfaction.
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$25,000+$50 - $99 / hr250 - 999Oak Brook, IL
Services provided
See all 1 projectsSenecaGlobal is a software development company specializing in staff augmentation services, focusing on building and testing software using technologies like C#, ASP.NET, and SQL Server. According to the reviews, 100% of the feedback is positive, highlighting their high-quality work, timely delivery, and cost-saving impact. Clients appreciate their talented developers and effective project management.
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Undisclosed$100 - $149 / hr50 - 249
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See all 2 projectsiPhone Developer is a specialized mobile app development company known for creating advanced and innovative mobile applications, particularly for iOS and Android platforms. Their team is praised for their strong expertise, commitment to quality, and transparent communication. Client feedback is overwhelmingly positive, with 100% of reviewers highlighting their outstanding performance and successful project outcomes.
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UndisclosedUndisclosed1,000 - 9,999Helsinki, Finland
Services provided
Nordcloud is a cloud consulting & SI company launched in 2006. Their services include cloud consulting & SI and IT managed services.
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UndisclosedUndisclosed10 - 49
Services provided
See all 9 projectsReality Tech is a consulting company specializing in Enterprise Application Modernization, excelling in services such as SharePoint and O365 migrations. Reviews indicate a 100% positive feedback rate, highlighting their project management, professionalism, and expertise in digital transformation. Many reviewers appreciate their clear communication and on-time delivery, with no suggested areas for improvement.
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$1,000+$50 - $99 / hr2 - 9Wrocław, Poland
Services provided
See all 1 projectsTheFreshApps is a software development company specializing in building internal software, cloud servers, and online applications. The feedback is overwhelmingly positive, with 100% of reviewers praising their rapid understanding and execution of project requirements, effective workflow, and impressive outcomes, such as improved management control and increased website visualizations.
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$10,000+$25 - $49 / hr10 - 49Thane, India
Services provided
See all 6 projectsNeolite Infotech India Pvt Ltd is a diversified IT services company specializing in web development, e-commerce solutions, and digital marketing. They have received overwhelmingly positive feedback, with approximately 95% of reviewers highlighting their professionalism, support, and cost-effectiveness. Clients appreciate their meticulous project management and transparent communication, contributing to successful outcomes across various projects.
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$10,000+$150 - $199 / hr50 - 249London, England
Services provided
See all 5 projectsMoonshot Partners is a versatile technology and digital solutions provider, excelling in areas such as product development, SEO strategy, and web design. Feedback indicates a high satisfaction rate, with over 90% of reviews highlighting their technical expertise, effective project management, and strong cultural alignment. Clients appreciate their innovative solutions and efficient communication, fostering successful collaborations.
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$5,000+$25 - $49 / hr10 - 49Indore, India
Services provided
See all 1 projectsRatufa Software Technologies Private Limited is a versatile software development company specializing in mobile and web solutions. Clients have praised their professionalism, with 90% of projects delivered on time and a quality rating of 4 out of 5. The company is noted for its helpfulness and flexibility in customer dealings.
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$1,000+$50 - $99 / hr2 - 9
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See all 2 projectsNeon Layer Digital is a design-focused company specializing in UX/UI development and digital design systems. With 100% positive feedback from reviews, clients commend their professionalism, timely delivery, and ability to enhance user experience and brand perception significantly. Their impressive work includes a ~27% increase in conversion rates and successful app development with remarkable sales results.
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$1,000+$25 - $49 / hr10 - 49Sahibzada Ajit Singh Nagar, India
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See all 6 projectsWDMtech is a versatile IT solutions provider, specializing in web development, software solutions, and data integration across various industries, including real estate and marine. Reviews highlight their technical proficiency, problem-solving capabilities, and adaptability, with positive feedback centered on their effective communication and project management. Approximately 80% of reviewers praise their responsiveness and flexibility, though some note occasional communication delays.
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$5,000+Undisclosed10 - 49
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See all 3 projectsSkipfour LLC is a versatile software development company specializing in web and app development across multiple platforms, including PHP, Node.js, React, Java, and Swift. Client feedback highlights their strong project management skills, effective communication, and ability to deliver quality products. Approximately 100% of reviews praise their adaptability and professionalism, with clients noting their skill in managing complex projects and maintaining timelines.
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$10,000+$50 - $99 / hr50 - 249Ahmedabad, India
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See all 3 projectsTMedia Business Solution Pvt. Ltd. is a technology solutions company specializing in developing custom applications, database tools, and dashboards. Reviewers universally praise their project management and communication, with 100% expressing satisfaction with the deliverables, timeliness, and technical expertise. Clients commend their ability to adapt quickly to challenges and deliver high-quality results without needing redevelopment.
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$10,000+$50 - $99 / hr10 - 49
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See all 4 projectsBYTRIX Technologies is a versatile development company specializing in creating innovative mobile applications. Reviews highlight their ability to deliver high-quality results swiftly, with 100% of reviewers praising their effective communication and proactive approach to enhancing app features and user experience. The company demonstrates exceptional project management, with suggestions for minor improvements in scheduling processes.
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$25,000+$50 - $99 / hr2 - 9Fairfield, CA
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See all 3 projectsIdeas Factory US is a software development company specializing in project management, system integration, and GeneXus platform expertise. Reviews indicate a strong emphasis on responsiveness and problem-solving, with an impressive 100% of feedback noting their effective project management and communication skills. However, there is some room for improvement regarding the timeliness of secondary issues.
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$25,000+$25 - $49 / hr50 - 249Stevenage, England
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See all 6 projectsLAYOUTindex is a versatile software development company specializing in web and mobile app development, offering tailored solutions across various industries. The company has received overwhelmingly positive feedback, with clients praising their technical expertise, responsiveness, and effective communication. Approximately 100% of the reviewers highlighted LAYOUTindex's ability to deliver innovative and efficient solutions, meeting clients' specific requirements and exceeding expectations.
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$10,000+$50 - $99 / hr50 - 249New York, NY
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See all 1 projectsTeqnovos is a software development company specializing in building MVPs and custom platforms. The company is highly praised for its project management, responsiveness, and consulting abilities, with 100% positive feedback emphasizing their dedication to client success and effective communication. Approximately 50% of reviewers highlight their excellent consulting capabilities, suggesting their commitment to adding value beyond mere development.
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$10,000+$100 - $149 / hr10 - 49Humble, TX
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See all 5 projectsGulf Coast Solutions is a software development company specializing in creating and integrating custom management platforms and solutions for diverse industries. They consistently demonstrate exceptional technical knowledge, responsiveness, and timely delivery, with 100% of reviewers citing positive outcomes and satisfaction. Clients laud their effective communication, personalized service, and value alignment, making them a reliable partner in strategic implementation and innovation.
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$25,000+$50 - $99 / hr50 - 249
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See all 4 projectsGepard Bintime is a software development company specializing in platform development and digital solutions, including database management, content delivery systems, and mobile applications. The reviews reflect a high level of client satisfaction, with approximately 100% positive feedback emphasizing their ability to deliver quality work, retain talent, and effectively manage projects. Common praises include their innovation, dedication, and capacity to meet deadlines and client needs.
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$10,000+Undisclosed10 - 49Stafford, England
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See all 1 projectsLangley Foxall Ltd. is a software development company specializing in creating custom digital solutions, such as online configurator tools, to enhance customer engagement and streamline processes. Feedback indicates a high level of satisfaction, with clients praising their effective project management and the positive impact on lead generation and sales.
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$5,000+$150 - $199 / hr10 - 49London, England
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See all 3 projectsPriocept is a technology-focused consultancy specializing in web application development and content management system implementations, notably with Sitecore. Overall, their clients appreciate their strong technical understanding and effective project management, with approximately 90% of reviews highlighting their integration capabilities and client-focused service. However, some feedback suggests they could improve in visual design and requirements gathering.
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$10,000+$50 - $99 / hr10 - 49Wrocław, Poland
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See all 6 projectsGenuitek is a versatile software development company specializing in custom software solutions for various industries including finance, healthcare, and environmental services. Reviews indicate a high level of satisfaction, with approximately 83% of clients highlighting their technical prowess and ability to meet deadlines. Though some noted challenges in team scalability, clients consistently praised Genuitek's project management and commitment to quality.
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$100,000+$300+ / hr2 - 9
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See all 1 projectsVOKENT creative digital agency is a versatile digital strategy and brand management company that excels in application and software development. Their reviews reflect a high level of client satisfaction, with 100% positive feedback highlighting their strategic guidance, strong communication skills, and efficiency in project delivery. Approximately 50% of reviewers emphasize the agency's ability to meet milestones and deliver on time.
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$10,000+$50 - $99 / hr2 - 9Dar es Salaam, Tanzania
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See all 4 projectsEvMak Tanzania LTD is a versatile technology firm specializing in software development and web solutions, particularly for healthcare, legal, and consumer goods sectors. Reviews highlight the company's excellent customer service and flexibility, with 100% of clients praising their project management and effective communication. However, there is some feedback suggesting room for improvement in timeline management.
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$25,000+$150 - $199 / hr10 - 49Jeffersonville, IN
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See all 3 projectsLevel 12 is a software development company specializing in DevOps, enterprise software, and website development. While 67% of clients commend their technical expertise and quality of work, concerns about project management and communication were noted by 33% of reviewers. Their commitment to understanding client needs and delivering robust solutions is highly praised, though improvements in timeliness and communication are suggested.
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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 / 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 / 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 -
$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
39.5/40.019.6/20 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+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
38.9/40.019.4/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$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 -
$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 -
$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 -
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 -
$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 -
$10,000+$25 - $49 / hr10 - 49Ahmedabad, India
Ability to deliver
37.6/40.018.6/20 Reviews9.6/10 Clients & Experience9.5/10 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 -
$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
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.