Top Application Modernization Services
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$10,000+$100 - $149 / hr2 - 9Minneapolis, MN
Services provided
See all 1 projectsDieseinerdata is a software development company known for tailored solutions that enhance business efficiency. Clients, such as a construction company, report significant productivity gains with automated tools, reducing tasks from hours to minutes. Reviews highlight a 100% satisfaction rate, praising their project management and effective communication, with 0% indicating areas for improvement. Brian's expertise in delivering clutter-free, functional software is particularly commended.
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$10,000+$50 - $99 / hr2 - 9Boston, MA
Services provided
See all 5 projectsAclarify is a versatile technology services company specializing in web development, digital transformation, and software project scaling. Across multiple reviews, 100% of clients commend their tailored solutions and technical expertise, noting significant improvements in operational efficiency and digital presence. While their commitment to quality is universally praised, some suggest expanding resources to meet high demand and support future growth opportunities efficiently.
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$10,000+$25 - $49 / hr50 - 249Vinnytsia, Ukraine
Services provided
See all 12 projectsPlexteq is a software development company specializing in Enterprise Application Modernization services. Their clients consistently praise their ability to enhance system performance, modernize application stacks, and deliver innovative solutions, with 100% positive feedback regarding responsiveness and project management. Their expertise in application modernization and exceptional customer service position them as a reliable partner for digital transformation projects.
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$10,000+$25 - $49 / hr10 - 49
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See all 6 projectsnuSoft, Inc. is a versatile technology firm specializing in data analytics, software development, web development, and UX design. The company is consistently praised for its excellent communication, technical expertise, and timely project delivery, with 100% positive feedback highlighting their adaptability and cultural alignment with clients’ values. Approximately 80% of reviewers commend nuSoft, Inc. for their professionalism and transparent communication.
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$25,000+$100 - $149 / hr250 - 999
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See all 1 projectsNeudesic is a technology services company specializing in advanced data analytics and Power BI dashboard creation. Based on their reviews, 67% of feedback is positive, highlighting their exceptional programming skills and powerful dashboards. However, clients noted areas for improvement in project management and risk allocation. Potential customers are advised to clearly define project requirements.
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$10,000+$150 - $199 / hr2 - 9Brookfield, WI
Services provided
See all 6 projectsOctavian Technology Group, LLC is an IT consulting firm specializing in DevOps, AI/ML, and cloud technology solutions. Across various engagements, clients consistently praise their expertise, project management, and consultative approach. Notably, 100% of reviewers express satisfaction, highlighting their knowledge and professionalism, while none cite areas for improvement, indicating a strong alignment with client needs and expectations.
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$50,000+$50 - $99 / hr1,000 - 9,999Houston, TX
Services provided
Celebal Technologies Americas Inc is an Enterprise App Modernization company. Founded in 2015, the team provides Enterprise App Modernization and BI & big data consulting & SI.
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$1,000+Undisclosed10 - 49Ahmedabad, India
Services provided
See all 1 projectsTechrays Labs is a web development company noted for its excellent project management and technical expertise. With all reviews being positive, 100% of clients commend their communication skills and efficient service delivery. The company is particularly appreciated for offering good value for money while successfully delivering projects like web design and development.
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$5,000+$25 - $49 / hr10 - 49
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See all 5 projectsGEOGO Techsolutions is a versatile technology company specializing in platform development with expertise in API integration, AI, machine learning, and frontend technologies. They have received overwhelmingly positive feedback for their project management, adaptability, and proactiveness, with approximately 90% of reviewers highlighting their impressive technical solutions and timely delivery. However, some reviews suggest improvements in project scoping and documentation.
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$5,000+$25 - $49 / hr10 - 49
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See all 1 projectsoutboxup is a versatile digital design and development company, excelling in product design and web development, including innovative solutions like service tracking bots. With 100% positive feedback, clients commend their professionalism, flexibility, and effective project management, which has contributed significantly to business growth, though there is room for improvement in proactive communication and tool utilization.
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$1,000+$25 - $49 / hr10 - 49New Delhi, India
Services provided
See all 2 projectsTech Soft Labs is a versatile development company specializing in web and mobile application development, catering to diverse sectors such as affiliate marketing and education systems. Across reviews, 100% of clients express satisfaction, highlighting the team's dedication, effective communication, and timely delivery. Approximately 50% of reviewers commend their experienced and thoughtful approach to project execution.
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$25,000+$50 - $99 / hr10 - 49Overland Park, KS
Services provided
See all 1 projectsHippalus Technologies is a web development company specializing in customized quality management systems. They receive predominantly positive feedback, with clients praising their in-depth knowledge and excellent communication, evidenced by their ability to meet deadlines and maintain synchronization between teams. However, a minor language barrier was occasionally noted. Overall, 90% of reviewers commend their project management and technical expertise.
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$10,000+$50 - $99 / hr10 - 49Timișoara, Romania
Services provided
See all 1 projectsMoreDevs is a software development company that specializes in creating high-quality, configurable software solutions, particularly for integrating medical device data into clinic information systems. The feedback from their reviews is overwhelmingly positive, with 100% of reviewers praising their reliability, flexibility, and adherence to budgets and timelines, noting the software's impressive longevity and the team's strong communication and adaptability skills.
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$1,000+$25 - $49 / hr10 - 49
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See all 2 projectsFreshosoft is an IT consultancy firm specializing in ERP implementation, custom software development, and digital marketing services. The company is lauded for its tailored solutions and comprehensive service offerings, with 100% of reviewers highlighting its commitment to customization and quality. Although praised for timely delivery and responsiveness, some suggest improvements in communication channels and documentation processes.
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$1,000+$25 - $49 / hr10 - 49
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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+$25 - $49 / hr50 - 249Vadodara, India
Services provided
See all 14 projectsPrakash Software Solutions is a software modernization company specializing in enterprise application modernization and digital transformation. The feedback is overwhelmingly positive, highlighting their excellent communication, timely delivery, and ability to resolve complex issues. Approximately 80% of reviewers commend their professional teamwork and development skills.
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$5,000+$50 - $99 / hr50 - 249Edison, NJ
Services provided
See all 9 projectsI Verve Inc is a technology company specializing in Enterprise Application Modernization, offering services like app modernization and legacy system upgrades. Reviews highlight their technical expertise, effective project management, and ability to enhance app performance, leading to a 20% increase in user retention and an 80% reduction in crash rates. The feedback is overwhelmingly positive, with clients praising their professionalism and adaptability.
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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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$10,000+$50 - $99 / hr10 - 49Meerbusch, Germany
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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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$10,000+< $25 / hr10 - 49Dubai, United Arab Emirates
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See all 3 projectsZenTech Agency - Dubai's Top Mobile Application Development Company, specializes in creating native mobile applications and linking complex systems for businesses. With a 100% positive feedback rate, clients commend ZenTech for their professional team, thorough documentation, and timely project delivery. Notably, 100% of reviewers mention their expertise and professional approach as impressive. Some clients suggest improving communication tools for non-technical stakeholders.
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$25,000+$25 - $49 / hr10 - 49Wrocław, Poland
Services provided
See all 1 projectsUlan Software is a software development company specializing in creating platforms using technologies such as MongoDB, Cassandra, Vue.js, Node.js, and PHP. The company has received overwhelmingly positive feedback, with clients praising their understanding of product requirements and effective project management. While 100% of reviewers express satisfaction, some suggest expanding the team for improved efficiency.
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$5,000+< $25 / hr50 - 249Indore, India
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See all 7 projectsBrain Inventory Consultancy Services Pvt. Ltd. is a staffing and development company offering services such as staff augmentation and software development. Reviews indicated a mixed response, with 75% of them expressing positive experiences, highlighting effective project management and communication. However, 25% of reviews noted trust and transparency issues, particularly regarding staff experience verification.
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$10,000+$25 - $49 / hr10 - 49Brooklyn, NY
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See all 3 projectsMediaset LLC is a versatile digital agency specializing in ERP system development, website design, and corporate web solutions. Reviews indicate a 100% positive sentiment regarding their quality of work, communication, and effective project management. Clients report significant business improvements, such as increased order volumes and enhanced online presence, underscoring Mediaset LLC's impactful service delivery and professional approach.
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$1,000+$50 - $99 / hr50 - 249Jakarta, Indonesia
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See all 2 projectsIce House is a comprehensive software development company specializing in full-stack development for iOS, Android, and web applications. Across reviews, clients commend their high-quality development work and effective project management, with approximately 90% highlighting their professional service-oriented approach. While they are praised for their cost-effective global team, some reviewers suggest enhancing app metric analytics integration.
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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 company specializing in AI-driven solutions, particularly in the multimedia and communication sectors. The company has received overwhelmingly positive feedback, with clients praising their organizational skills and their ability to integrate AI technologies effectively. Notably, 100% of the reviewers highlighted their critical contribution to project success, although there's room for improvement in communicating their capabilities.
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$10,000+$25 - $49 / hr10 - 49Zaporizhzhia, Ukraine
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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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$1,000+$25 - $49 / hr10 - 49Dubai, United Arab Emirates
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See all 1 projectsAppricot IT Consultants is a proficient mobile app development company, specializing in creating applications from scratch, including photo editing apps on the Android platform. They receive overwhelmingly positive feedback, with 100% of clients praising their strong project management and development expertise, evidenced by an app rating of 4.4 on the Google Play store.
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$10,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 5 projectsBrevitaz Systems Pvt. Ltd. is a software development company specializing in backend development, cloud solutions, and advanced technologies like Elasticsearch and Kafka. The reviews highlight their expertise in handling complex projects with precision and quality. Approximately 100% of reviewers commend their strong project management and communication skills, with particular praise for their proactive approach and ability to integrate seamlessly into clients' teams.
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$5,000+$50 - $99 / hr10 - 49Los Angeles, CA
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See all 3 projectsPircle is a versatile software development company specializing in mobile and web application development. Positive feedback is predominant, with 100% of reviewers expressing satisfaction, highlighting timely delivery and technical proficiency. Notably, 50% of reviewers commend Ali for his exceptional collaboration, and all emphasize a high level of confidence in Pircle's problem-solving capabilities.
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List of the Top 15 Legacy Modernization Services
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$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
38.5/40.019.4/20 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 / 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 / hr50 - 249Miami, FL
Ability to deliver
35/40.017/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
34.2/40.018.6/20 Reviews9.8/10 Clients & Experience5.7/10 Market PresenceService focus
60% Enterprise App Modernization40% 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 -
$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 / hr1,000 - 9,999Kraków, Poland
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 - 9,999Atlanta, 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
39.1/40.019.6/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.9/40.019/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
36.8/40.017.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
36.8/40.016.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$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+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
36/40.016.6/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$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
10% Enterprise App Modernization90% 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 -
$25,000+$25 - $49 / hr250 - 999Lakeville, MN
Ability to deliver
37/40.017.2/20 Reviews9.9/10 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 -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$25 - $49 / hr50 - 249Warszawa, Poland
Ability to deliver
38.3/40.019.2/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
15% Enterprise App Modernization85% 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 -
$10,000+$25 - $49 / hr50 - 249Portland, OR
Ability to deliver
35.1/40.016.8/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
36.5/40.016.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% 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
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.