Top Application Modernization Services
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$5,000+$25 - $49 / hr2 - 9
Services provided
See all 1 projectsDrishna Technologies is a web application development company specializing in both frontend and backend technologies. Their team, including a CTO and multiple developers, receives highly positive feedback, with 100% of reviewers praising their energetic team and effective workflow. Clients appreciate their support, resulting in successful project completions.
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$5,000+$100 - $149 / hr2 - 9Bury St Edmunds, England
Services provided
See all 1 projectsORBN Digital is a web development company known for creating professional and user-friendly websites. The reviews emphasize their ability to integrate modern design elements and align closely with clients' visions. Feedback highlights their excellent project management, with 100% of reviewers praising their timely delivery and effective communication, focusing on a seamless and impressive experience.
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$1,000+$50 - $99 / hr10 - 49
Services provided
See all 6 projectsEngine is a technology services company specializing in custom software development, mobile applications, and IT systems architecture. The overall feedback from their reviews is predominantly positive, with clients highlighting their project management skills, attention to detail, and technical expertise. Approximately 80% of the reviews express satisfaction with their deliverables and ongoing support, although one client experienced governance and transparency issues.
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$5,000+$25 - $49 / hr10 - 49Delhi, India
Services provided
See all 2 projectsMomenttext AI is a technology company specializing in AI and machine learning solutions, particularly in natural language processing and computer vision. Reviews highlight their expertise, dedication, and seamless integration with client teams, leading to successful deployments. 100% of feedback was positive, emphasizing timely delivery and effective communication, though it's noted they should scale for handling multiple projects concurrently.
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$5,000+$25 - $49 / hr10 - 49Kandy, Sri Lanka
Services provided
See all 1 projectsCLS IDEA is a technology solutions company specializing in customized business management systems. Review feedback is overwhelmingly positive, highlighting their expertise in automation and AI-powered reporting. Approximately 100% of reviewers praised their understanding of business needs and professional project management, with some noting a desire for earlier proactive suggestions for future enhancements.
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$5,000+$100 - $149 / hr10 - 49
Services provided
See all 4 projectsBlue Shark Solution Inc. is a versatile digital agency providing web development and strategic IT solutions. Feedback from their clients is overwhelmingly positive, with 100% of reviews praising their project management, timely delivery, and cost-effective services. Clients consistently highlight their professional communication and expertise, with 75% specifically noting the impressive skills of the founder during project execution.
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$10,000+$50 - $99 / hr10 - 49San Francisco, CA
Services provided
See all 1 projectsStreamline Social is a company specializing in enhancing user interfaces for mobile applications. The overall feedback is positive, with clients appreciating their resourcefulness and willingness to explore solutions. However, 100% of reviewers mentioned a desire for faster project completion, indicating an area for potential improvement.
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$50,000+$100 - $149 / hr10 - 49
Services provided
See all 1 projectsSilicon Valley Insight is a custom software development company specializing in creating complex software solutions, such as quiz software with advanced backend systems. Reviews highlight their proactive communication and ability to exceed expectations, with 100% positive feedback on their responsiveness and problem-solving skills. Clients appreciate their expertise in technologies like Heroku and GitHub, and their high level of understanding in project development.
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$5,000+$25 - $49 / hr50 - 249
Services provided
See all 1 projectsVolya Technologies Inc is a software development company specializing in AI and automation solutions. Their reviews highlight their expertise in creating efficient and secure systems, such as an AI-based fraud detection system that reduced fraud losses by 45% while maintaining payment speed. The company received 100% positive feedback, with clients impressed by their project management and ability to balance speed and security.
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$5,000+< $25 / hr50 - 249Mumbai, India
Services provided
See all 1 projectsTechSingularity is a SaaS development company specializing in scalable architecture and backend optimization for HRMS and payroll platforms. Reviews highlight their strong engineering capabilities, effective project management, and adaptability to changing requirements. Approximately 90% of feedback is positive, with particular praise for their responsiveness and product understanding, although some suggest improvements in planning and documentation.
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$1,000+< $25 / hr10 - 49
Services provided
See all 3 projectsDevs Dynasty is a software development company specializing in creating scalable and high-performance software solutions, including mobile apps and web services with AI integration. Their clients consistently highlight the company's expertise in AI and NLP capabilities, exceptional project management, and responsive communication. Impressively, 100% of reviewers noted their on-time delivery and adaptability to client needs, resulting in positive business impacts and high client satisfaction.
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$25,000+$50 - $99 / hr10 - 49
Services provided
See all 1 projectsWesence is a software development company specializing in frontend solutions for B2B SaaS platforms. The company received 100% positive feedback, with clients praising their flexibility, responsiveness, and ability to exceed expectations. In one notable project, they successfully developed 120 training modules, surpassing the initial target of 100.
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$25,000+$100 - $149 / hr2 - 9Phoenix, AZ
Services provided
See all 4 projectsVelocity Labs is a software development company specializing in creating and maintaining custom applications and platforms using Ruby on Rails. Across their reviews, 100% of the feedback is positive, highlighting their reliability, innovation, and effective project management. Clients commend them for delivering high-quality solutions and having a strong communication process, with 75% of reviews noting their impressive problem-solving capabilities.
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$1,000+$100 - $149 / hr2 - 9İstanbul, Türkiye
Services provided
See all 1 projectsBixcod Software and Consulting is a software development company known for delivering exceptional service in Turkey. They have positively impacted client businesses, as evidenced by one client's 85% sales increase post-project. Reviewers consistently highlight their effective communication and thorough project execution, resulting in unanimously positive feedback.
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$10,000+$150 - $199 / hr2 - 9
Services provided
See all 1 projectsJoen.io is a development company known for creating interactive applications, with a notable focus on mobile app development. Reviews highlight their professionalism, with 100% positive feedback regarding their capability to deliver complex projects effectively, such as a feature-rich pet adoption app. Clients appreciate their transparent communication and the ability to meet deadlines, though there is a suggestion for more robust project management.
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$25,000+Undisclosed50 - 249Surat, India
Services provided
See all 2 projectsTriveni Global Software Services LLP is a versatile web development company known for integrating graphics, web development, and marketing. They have received positive feedback from 100% of reviewers, highlighting their responsiveness, timely delivery, and strong cultural fit. Clients appreciate their budget-friendly pricing and impressive company values.
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$5,000+< $25 / hr10 - 49
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See all 5 projectsNPS SOFTWARES LLP is an information technology company specializing in Salesforce resources, AI automation, Health Cloud, and mobile app development. Reviews indicate a 100% positive sentiment, with clients praising their professionalism, timely delivery, and technological expertise, with 100% of reviewers highlighting their reliable and skilled team.
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$5,000+$50 - $99 / hr10 - 49Regensburg, Germany
Services provided
See all 5 projectsint2code GmbH is a software development company specializing in embedded systems, automotive software, and integration solutions. Across their reviews, clients consistently highlight the company's technical excellence, high-quality engineering talent, and strong customer-centric communication. Notably, 100% of reviewers express satisfaction with int2code GmbH's performance, emphasizing their responsiveness and effective collaboration in complex projects.
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$25,000+$25 - $49 / hr10 - 49Budapest, Hungary
Services provided
See all 8 projectsR-Szoft Ltd. is a dynamic software development and IT services company, excelling in custom software solutions, system integration, and testing. The company consistently receives positive feedback, with 100% of reviewers praising their professionalism, agile project management, and timely delivery. Clients commend their flexibility, proactive communication, and collaboration with existing teams, making R-Szoft Ltd. a reliable partner for complex projects.
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$5,000+$50 - $99 / hr2 - 9Bengaluru, India
Services provided
See all 1 projectsAccode Software Pvt. Ltd. is a mobile and web development company recognized for its expertise in React, React Native, and Firebase. All reviews highlight their timely delivery and effective communication, with particular praise for the technical knowledge of their founder, Bhavish. The reviews do not indicate any areas for improvement, reflecting 100% positive feedback.
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$1,000+$150 - $199 / hr2 - 9
Services provided
See all 1 projectsYuccan Technologies is a highly-rated technology firm specializing in creating battery management systems. According to reviews, 100% of clients commend their timely deliveries and high-quality results. A notable 100% of reviewers highlight their expertise and personable approach, with no areas for improvement suggested.
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UndisclosedUndisclosed2 - 9Encinitas, CA
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See all 1 projectsAgency73 is a software development company highly regarded for delivering customizable solutions in customer chat interfaces and call recording analytics. Reviews highlight their professionalism and adaptability, with 100% of feedback noting their commitment to quality and secure solutions. Clients appreciate their collaborative approach, ability to meet tight deadlines, and effective project management, despite occasional challenges due to their small team size.
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$10,000+$100 - $149 / hr2 - 9Columbus, OH
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See all 1 projectsSoftware Verde, LLC is a software development company specializing in integrating Python APIs into complex image processing pipelines. According to reviews, the company excels in clear communication and efficient project management, consistently delivering projects on time and under budget. Feedback is overwhelmingly positive, with 100% of reviewers expressing satisfaction with their experience.
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$1,000+$50 - $99 / hr2 - 9
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See all 1 projectsDarkwater Digital is a web development company specializing in enhancing web presence and improving Google rankings. The reviews are overwhelmingly positive, highlighting their responsive project management and effective communication, with 100% of reviewers appreciating the personal and professional client experience. Clients report significant improvements in online visibility, indicating successful outcomes and satisfaction with Darkwater Digital's services.
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$1,000+$25 - $49 / hr2 - 9Toronto, Canada
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See all 1 projectsSummer Digital is a web development company specializing in website revamps and digital strategy enhancement. The reviews highlight their exceptional responsiveness and agility in project turnaround. With a 100% positive feedback rate, clients particularly commend their prompt communication and ability to deliver satisfactory results swiftly.
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$5,000+$50 - $99 / hr10 - 49Prague, Czech Republic
Services provided
See all 3 projectsBlocshop is a software development firm known for its expertise in creating secure data management architectures and innovative ERP solutions. The company is praised for its agile development methods, delivering projects on time and within budget, and maintaining a high level of customer satisfaction. With 100% positive reviews, clients highlight the team's dedication, creativity, and ability to provide valuable, tailored solutions.
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$1,000+< $25 / hr10 - 49
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See all 2 projectsSpikeway Technologies is a web development company known for designing and building robust portals, with a focus on B2B and B2C solutions. The company received positive feedback for its structured project management and on-time delivery, with 100% of reviewers praising their professional, interactive team and uncompromising service quality.
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$5,000+$25 - $49 / hr10 - 49
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See all 2 projectsICT Information Technologies is an IT services company specializing in automating and managing user demands, providing first and second-level IT support. The overall feedback is highly positive, with clients reporting a 50% increase in demand management speed and improved customer satisfaction. Reviewers consistently highlight their excellent project management and communication skills, with no significant areas for improvement mentioned.
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$5,000+< $25 / hr10 - 49
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See all 2 projectsVillage IT Services Private Limited is a development company providing comprehensive solutions for mobile apps and websites, including real-time databases, UI/UX design, and backend services. The reviews indicate a high level of satisfaction, with clients praising their adaptability, technical skills, and communication. Approximately 90% of the feedback is positive, highlighting their ability to scale resources and deliver quality work. However, there is a suggestion for improved quality assurance capabilities.
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$25,000+$50 - $99 / hr10 - 49Florianópolis, Brazil
Services provided
See all 2 projectsJungsoft is a technology services company specializing in UX design, backend development, and system integration. They have received overwhelmingly positive feedback, with 100% of reviewers praising their creativity, efficiency, and the exceptional quality of their deliverables. Clients commend their ability to deliver complex projects promptly and appreciate their collaborative and enjoyable work sessions.
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List of the Top 15 Legacy Modernization Services
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$25,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
39.3/40.019.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
39.1/40.020/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$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 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 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 -
$10,000+$25 - $49 / hr1,000 - 9,999Southborough, MA
Ability to deliver
37.2/40.017.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr250 - 999Sacramento, CA
Ability to deliver
34.2/40.016.4/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
80% Enterprise App Modernization20% Other -
$25,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$25,000+$25 - $49 / hr50 - 249Agoura Hills, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
33.8/40.018.2/20 Reviews9.8/10 Clients & Experience5.7/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$5,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
37.2/40.017.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249București, Romania
Ability to deliver
35.9/40.020/20 Reviews10/10 Clients & Experience5.9/10 Market PresenceService focus
35% Enterprise App Modernization65% 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 - 9,999Kraków, Poland
Ability to deliver
38.7/40.019/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
36.6/40.016.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
Undisclosed$150 - $199 / hr250 - 999London, England
Ability to deliver
36.4/40.017.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.3/40.018.4/20 Reviews10/10 Clients & Experience9.9/10 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 -
$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 -
$25,000+$25 - $49 / hr250 - 999Kropyvnytskyi, Ukraine
Ability to deliver
38.9/40.019.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
35.8/40.016.4/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$100 - $149 / hr10 - 49Costa Mesa, CA
Ability to deliver
36.8/40.018/20 Reviews10/10 Clients & Experience8.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
Undisclosed$25 - $49 / hr250 - 999Toronto, Canada
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+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
39.6/40.019.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr50 - 249Houston, TX
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35.6/40.017.6/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
Undisclosed$25 - $49 / hr250 - 999Beijing, China
Ability to deliver
36.8/40.020/20 Reviews7.2/10 Clients & Experience9.6/10 Market PresenceService focus
15% Enterprise App Modernization85% 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.