Top Application Modernization Services
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$5,000+< $25 / hr10 - 49Ahmedabad, India
Services provided
See all 2 projectsSamcom Technobrains Pvt Ltd is a versatile software development company specializing in mobile app and web-based software development, utilizing technologies such as Angular, Ionic, and Django REST framework. Overall, their clients express high satisfaction, with a focus on effective project management and timely communication, although a suggestion for more code comments was noted.
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$5,000+$25 - $49 / hr10 - 49Dubai, United Arab Emirates
Services provided
See all 4 projectsDevsSpace is a web development company specializing in website design, CRM integration, and digital marketing solutions. They consistently deliver high-quality work with 100% customer satisfaction, as noted by clients who appreciate their professionalism, speed, and responsiveness. With 100% of reviews highlighting their expertise and client-centric approach, DevsSpace has proven itself a reliable partner.
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$10,000+$25 - $49 / hr50 - 249Batumi, Georgia
Services provided
See all 8 projectsLINKERSOFT GROUP specializes in software modernization services, including app modernization and the migration of legacy systems. Overall feedback highlights their expertise in .Net technology, efficient talent allocation, and timely delivery of project milestones. Clients commend their responsiveness and proactive problem-solving approach, indicating a reliable partner for digital transformation and IT modernization endeavors.
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$10,000+$25 - $49 / hr10 - 49Brooklyn, NY
Services provided
See all 3 projectsMediaset LLC is a versatile digital agency specializing in ERP systems, website development, and comprehensive digital solutions. Reviews highlight their impressive project management, communication, and quality of work, with 100% positive feedback on their ability to meet deadlines and project goals. Clients commend their design, development, and integration capabilities, though a small percentage suggest improvements in promotion efforts.
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$5,000+$50 - $99 / hr2 - 9
Services provided
See all 1 projectsCraftspire is a software development company specializing in agile project management and technologies such as Kotlin and Angular, with a focus on e-signature and document management solutions. Reviews highlight their professionalism, expertise, and ability to adapt to evolving requirements, contributing to high client satisfaction and increasing software adoption rates. Clients appreciate their transparent communication and dedication, with minor suggestions for improved documentation.
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$5,000+$300+ / hr50 - 249
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See all 75 projectsCloudInsta24 Services Private Limited is a network services company, excelling in managed connectivity solutions and customer support. With 100% of reviewers highlighting their exceptional service quality and responsiveness, the company is praised for seamless network implementation and cost-effective solutions. A consistent theme across 90% of reviews is their ability to maintain high uptime and reliability.
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$10,000+$25 - $49 / hr10 - 49Zaporizhzhia, Ukraine
Services provided
See all 1 projectsDarkLime is a front-end development company known for rearchitecting Angular applications and enhancing features with adept testing capabilities. They maintain a strong reputation for responsiveness and project management, with 100% of reviewers praising their quick and effective delivery. While initial communication needed improvement, DarkLime promptly addressed this, leading to continued client satisfaction.
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$25,000+$50 - $99 / hr10 - 49Overland Park, KS
Services provided
See all 1 projectsHippalus Technologies is a development company specializing in customized web-based solutions, particularly in quality management systems. The overall feedback is highly positive, with reviewers praising their project management skills, in-depth knowledge of programming technology, and effective communication. Though there was a minor language barrier, 90% of the feedback highlights their professionalism and ability to meet client needs efficiently.
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$1,000+$25 - $49 / hr10 - 49
Services provided
See all 5 projectsBineks is a versatile development company specializing in web development, SaaS solutions, and gamification platforms. Client feedback highlights their exceptional communication skills and ability to integrate seamlessly with teams, with 100% of reviewers praising their responsiveness and collaboration. While some mention room for improvement in documentation and timeline estimates, the overall sentiment is overwhelmingly positive, emphasizing their dedication to quality and client satisfaction.
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$10,000+$50 - $99 / hr10 - 49Meerbusch, Germany
Services provided
See all 1 projectsIteora GmbH is an IT solutions and development company that specializes in creating and managing complex IT systems, including platforms and billing infrastructure. Reviews indicate a high level of customer satisfaction, with 100% of feedback highlighting their flexibility, effective project management, and cost-saving strategies, although no significant areas for improvement were identified.
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$5,000+$25 - $49 / hr10 - 49Córdoba, Argentina
Services provided
See all 8 projectsIthreex Global is a technology solutions provider specializing in web development, business intelligence, artificial intelligence, and IT support services. They have consistently received positive feedback, with a notable emphasis on their effective project management, technical proficiency, and responsiveness to client needs. Approximately 85% of reviewers commend their professionalism and ability to meet deadlines, while 70% highlight their adaptability and effective use of modern technologies.
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$1,000+$50 - $99 / hr250 - 999
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See all 1 projectsFortySeven Software Professionals is an IT company specializing in developing financial software with expertise in banking and finance. Overall, feedback is positive, highlighting their result-oriented approach and impressive consultancy services. Notably, 100% of reviewers commend their effective communication and project management, although initial concerns about development speed were addressed satisfactorily.
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$25,000+$25 - $49 / hr10 - 49Wrocław, Poland
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See all 1 projectsUlan Software is a software development company specializing in creating complex platforms using technologies like MongoDB, Vue.js, Node.js, and PHP. They have received overwhelmingly positive feedback, with 100% of reviews highlighting satisfaction with their work and the platform's extensive functionalities. Clients commend their strong understanding of product requirements and effective project management.
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$1,000+$25 - $49 / hr2 - 9Dubai, United Arab Emirates
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See all 12 projectsChacra Software Solutions is a software development company specializing in web and mobile app development, UI/UX design, and digital marketing strategies. Overall, the reviews are overwhelmingly positive, with approximately 100% of clients praising their professionalism, creativity, and effective communication. Many clients (around 80%) also commend their ability to meet deadlines and exceed expectations for project quality and innovation.
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$10,000+$25 - $49 / hr50 - 249Lalitpur, Nepal
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See all 2 projectsRara Labs is a software development company specializing in creating custom business solutions, such as data reconciliation and cloud-based accounting systems. Their work is characterized by strong project management, timely delivery, and effective customer communication. Feedback is predominantly positive, with clients highlighting the team's expertise and dedication, although there is a suggestion to enhance documentation.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsTHINQPIXEL LLP is a web development company specializing in online visibility, website development, and payment processing solutions. The feedback from their reviews is overwhelmingly positive, with clients praising their prompt, round-the-clock support and exceptional project management. Approximately 100% of reviewers highlight their responsiveness and dedication to client success.
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$1,000+$25 - $49 / hr10 - 49Dubai, United Arab Emirates
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See all 1 projectsAppricot IT Consultants is a mobile app development company known for its expertise in building Android and iOS applications. They received positive feedback for their excellent project management and competent development and QA teams, with 100% of reviews highlighting their proficiency and reliability in delivering quality apps. The app developed for Pentabit Apps achieved an average rating of 4.4 from users, reflecting client satisfaction.
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$10,000+$100 - $149 / hr2 - 9Los Angeles, CA
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See all 1 projectsInfiniOne is a mobile app development company, recognized for its expertise in creating custom solutions that enhance workflow efficiency. With 100% positive feedback, clients commend InfiniOne for its transparency, quality work, and effective communication, particularly appreciating their ability to provide constructive feedback and engage directly with developers. The company is noted for its ability to develop user-friendly solutions tailored to client needs.
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$1,000+$25 - $49 / hr2 - 9Chennai, India
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See all 1 projectsClofus Innovations Pvt Ltd is a technology solutions company specializing in AI and software development, particularly for multimedia and communication platforms. Their services have significantly contributed to their clients' success, with 100% of reviewers praising their project management and AI expertise. However, a common theme is the need for improved communication about their capabilities.
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$10,000+$100 - $149 / hr10 - 49Columbus, OH
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See all 2 projectsBig Kitty Labs is a technology solutions company excelling in app development and process automation. They received positive feedback for their ability to deliver high-quality products and maintain strong communication, as noted by 100% of reviewers. Clients appreciate their innovative approach and long-term vision, though some mention occasional communication gaps and project delays. Overall, Big Kitty Labs effectively supports their clients' growth and operational efficiency.
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$5,000+< $25 / hr10 - 49Vinnytsia, Ukraine
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See all 1 projectsMagisoft Solutions is a software development company specializing in UI development, particularly using REACT. The company's team is praised for their skill and hard work, contributing to successful project outcomes. The feedback is generally positive, with enhanced UI quality and potential business partnerships emerging as a result of their contributions.
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$1,000+$25 - $49 / hr10 - 49San Diego, CA
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See all 4 projectsSitecraft Inc. is a custom application development company that specializes in front- and backend development using technologies like HTML, CSS, JavaScript, WordPress, and PHP. With consistently positive feedback, clients commend their skilled engineers, effective communication, and flexibility. Approximately 90% of reviews praise their technical expertise and project management, while a few suggest minor improvements in UX/UI design capabilities.
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$10,000+$25 - $49 / hr250 - 999Blue Bell, PA
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See all 1 projectsAVASOFT is a technology services company specializing in application modernization and SaaS solutions. Review feedback highlights a 75% improvement in customer experience due to their user-friendly design and effective project management. Clients commend their exceptional communication and training efforts, with 100% of reviewers praising their deliverables and service.
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$5,000+< $25 / hr10 - 49Surat, India
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See all 1 projectsJSbot is a development company specializing in JavaScript, with expertise in HTML, React Native, and Node.js. The feedback highlights their responsive project management and impressive code quality. Approximately 100% of reviewers appreciate their responsiveness, while 20% mention the importance of understanding language and time differences. Overall, clients express satisfaction with JSbot's services and technical understanding.
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$1,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 13 projectsKrazio Cloud Pvt. Ltd. is a versatile AI solution provider that specializes in developing custom AI-driven systems, including AI-powered AR repair assistants and Generative AI solutions for marketing. With consistently positive reviews, clients highlight their expertise in AI integration, responsiveness, and effective project management, resulting in improved efficiency and enhanced outcomes. Approximately 100% of clients commend their technical proficiency and adaptive approach to client needs.
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$5,000+$50 - $99 / hr50 - 249Edison, NJ
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See all 9 projectsI Verve Inc is a company specializing in Enterprise Application Modernization and Software Modernization services. They are highly praised for their technical expertise and professional approach, achieving significant improvements such as a 30-50% app load time reduction and an 80% decrease in crash rates. Around 100% of the feedback is positive, highlighting their effective communication and adaptability to evolving requirements.
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$50,000+$25 - $49 / hr50 - 249Manchester, England
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See all 1 projectsArrk Group is a technology solutions provider specializing in web and mobile platform architecture, design, build, and support services. The company is praised for its effective project management and seamless collaboration, with 100% of reviews highlighting their dedication and expertise. Clients appreciate their alignment with company values and successful long-term partnerships.
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$5,000+$25 - $49 / hr10 - 49Leuven, Belgium
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See all 3 projectsDevsarch is a versatile software development and digital marketing company consistently praised for delivering high-quality projects on time and within budget. Their clients commend their exceptional communication and dedication, with 100% of reviewers highlighting their cultural fit and accommodating nature. They demonstrate expertise in eCommerce platforms, website development, and system performance enhancements, offering excellent value for cost across diverse industries.
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$10,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 5 projectsBrevitaz Systems Pvt. Ltd. is a proficient software development company specializing in backend development, cloud solutions, and advanced data technologies such as Elasticsearch, Java, and Scala. A review analysis reveals a high satisfaction rate, with approximately 100% of clients noting their adeptness in managing complex projects and innovative solutions. Their proactive communication and robust project management are consistently praised, while suggestions for improvement are rare, underscoring their strong industry reputation.
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$5,000+Undisclosed10 - 49
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See all 3 projectsSkipfour LLC is a software development company specializing in web and app development services, leveraging various technologies for scalable solutions. Overall, their clients commend their effective project management, communication, and adaptability, with approximately 100% of reviewers highlighting their professionalism and ability to produce quality products. While they occasionally encounter minor issues, these are swiftly addressed, demonstrating their commitment to client satisfaction.
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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
35.8/40.020/20 Reviews10/10 Clients & Experience5.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
37.8/40.020/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$100,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
34.7/40.019/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Southborough, MA
Ability to deliver
32.1/40.016.6/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
34/40.018.8/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
31.6/40.015.8/20 Reviews10/10 Clients & Experience5.8/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
31.3/40.017.8/20 Reviews9.8/10 Clients & Experience3.7/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$10,000+$50 - $99 / hr250 - 999Sacramento, CA
Ability to deliver
30.8/40.016.4/20 Reviews10/10 Clients & Experience4.5/10 Market PresenceService focus
80% Enterprise App Modernization20% Other -
$5,000+< $25 / hr1,000 - 9,999
Ability to deliver
30.7/40.016.2/20 Reviews10/10 Clients & Experience4.5/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
30.5/40.015.2/20 Reviews8.8/10 Clients & Experience6.6/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$25,000+$25 - $49 / hr50 - 249Agoura Hills, CA
Ability to deliver
36.4/40.020/20 Reviews10/10 Clients & Experience6.4/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249București, Romania
Ability to deliver
33.3/40.019.6/20 Reviews10/10 Clients & Experience3.7/10 Market PresenceService focus
35% Enterprise App Modernization65% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
30.1/40.015.8/20 Reviews10/10 Clients & Experience4.3/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$10,000+$25 - $49 / hr250 - 999Beijing, China
Ability to deliver
35.4/40.019.6/20 Reviews9.1/10 Clients & Experience6.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
35.6/40.020/20 Reviews10/10 Clients & Experience5.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
33.5/40.017.2/20 Reviews9.8/10 Clients & Experience6.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$150 - $199 / hr10 - 49Littleton, CO
Ability to deliver
31.8/40.017.6/20 Reviews10/10 Clients & Experience4.2/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$1,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
34.8/40.017/20 Reviews9.7/10 Clients & Experience8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$25,000+$150 - $199 / hr50 - 249Claymont, DE
Ability to deliver
33.3/40.016.6/20 Reviews10/10 Clients & Experience6.7/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.020/20 Reviews10/10 Clients & Experience7.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
35.2/40.019/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
32.3/40.016.8/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34/40.017.8/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$5,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
31.6/40.016.6/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$100 - $149 / hr10 - 49Costa Mesa, CA
Ability to deliver
32.6/40.018.6/20 Reviews10/10 Clients & Experience4/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
31.5/40.017.2/20 Reviews10/10 Clients & Experience4.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr1,000 - 9,999São Paulo, Brazil
Ability to deliver
33.4/40.016.6/20 Reviews9.9/10 Clients & Experience7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
31.4/40.016.4/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
28.2/40.016.2/20 Reviews7.8/10 Clients & Experience4.2/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr250 - 999Kropyvnytskyi, Ukraine
Ability to deliver
34.2/40.018.8/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
10% Enterprise App Modernization90% 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.