Top Application Modernization Services
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$5,000+$25 - $49 / hr10 - 49
Services provided
See all 13 projectsHapy Co is a versatile technology solutions provider specializing in streamlining operations for government services and developing mobile applications for diverse sectors. They boast a 100% positive feedback rate, with clients appreciating their customization capabilities and transparent communication. However, some reviews suggest room for improvement in turnover speed due to occasional delivery delays.
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$75,000+$50 - $99 / hr50 - 249
Services provided
See all 3 projectsXenoss is a specialized software development company renowned for its expertise in AdTech solutions, engineering talent sourcing, and custom software development. With a 100% positive feedback rate, clients highlight their strong project management, domain expertise, and high-quality deliverables. An impressive 67% of reviewers commend Xenoss for their sector knowledge and ability to meet complex challenges effectively.
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$25,000+$25 - $49 / hr50 - 249Plovdiv, Bulgaria
Services provided
See all 2 projectsCodeCoda Ltd. is a software development company specializing in creating innovative solutions, such as self-service platforms and backend systems for complex data management needs. Reviews highlight their exceptional problem-solving skills, high-quality code delivery, and effective project management. Impressively, 100% of reviewers commend their ability to tackle unique challenges, and their dedication is praised, with no significant areas for improvement noted.
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$1,000+< $25 / hr10 - 49
Services provided
See all 3 projectsCodigitar is a software development company specializing in custom solutions such as web design, management platforms, and applications. The overall feedback from their reviews is highly positive, with clients praising their personalized attention, technological expertise, and effective project management. Approximately 100% of reviewers highlighted their professionalism and timely delivery, with no significant areas of improvement mentioned.
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$25,000+$50 - $99 / hr10 - 49Gliwice, Poland
Services provided
See all 3 projectsExlabs is a software development company specializing in cloud solutions and agile project management. The overall feedback from reviews is overwhelmingly positive, with 100% of reviewers praising their technical expertise, effective communication, and seamless project management. Clients highlight Exlabs' ability to provide innovative solutions and maintain strong collaborative partnerships, resulting in successful project outcomes and improved operational efficiency.
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$5,000+$25 - $49 / hr50 - 249Birmingham, England
Services provided
See all 17 projectsFicode Technologies Limited specializes in Enterprise App Modernization, assisting firms like Costco IT in enhancing application performance and user experience. The company received universally positive feedback, with 100% of reviews highlighting their quality commitment and effective modernization strategies, resulting in a 40% performance improvement and a 25% rise in user satisfaction.
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$10,000+$150 - $199 / hr50 - 249London, England
Services provided
See all 3 projectsSomo is a specialized mobile strategy and development agency known for its innovative approach and strong market knowledge. Feedback from clients is overwhelmingly positive, with over 90% praising their creativity, enthusiasm, and ability to drive significant returns on investment and app installations. Somo excels in understanding client needs, though minor improvements in delivering actionable insights have been noted.
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$5,000+Undisclosed10 - 49
Services provided
See all 2 projectsSunNet Solutions is a development firm specializing in app and web platform creation, providing ongoing support and maintenance services. Reviews highlight their professional approach, technical expertise, and proactive engagement, with 100% positive feedback on their performance. Clients appreciate their ability to accommodate constraints and enhance communication, resulting in substantial business growth and satisfaction.
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Undisclosed$100 - $149 / hr10 - 49
Services provided
See all 3 projectsAppworks Technologies is a versatile technology partner specializing in app and software development, including backend infrastructure and frontend design. Across multiple client reviews, 100% praised their excellent project management, communication skills, and ability to understand and meet complex requirements. Clients consistently highlight their impressive organization and integration capabilities, with no significant areas for improvement noted.
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$50,000+$100 - $149 / hr10 - 49Orlando, FL
Services provided
See all 3 projectsEcho Interaction Group is a mobile app development company noted for their expertise in creating tailored applications for both iOS and Android platforms. Across their reviews, 100% of clients emphasize their strong communication, project management skills, and a consultative approach that aligns with client strategies. Clients appreciate their role in the community and their ability to foster trusted partnerships. Some suggest improved clarity in technical explanations.
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$10,000+< $25 / hr250 - 999Indore, India
Services provided
See all 6 projectsWebvillee Technology Pvt. Ltd is a versatile software development company excelling in web and mobile app solutions, particularly in Salesforce integration and society management systems. The company consistently receives positive feedback for its professionalism, timely project delivery, and comprehensive expertise, with over 90% of reviewers highlighting their high-quality work and efficient communication.
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$5,000+$25 - $49 / hr10 - 49porvorim, India
Services provided
See all 2 projectsHelix Tech is a versatile software development company specializing in app and web development, with a strong focus on creating responsive and professional platforms. They receive predominantly positive feedback, with clients highlighting their technical expertise, proactive communication, and timely project delivery. Approximately 100% of reviewers commend their project management skills and responsiveness, while some suggest expanding their geographical presence.
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$5,000+$50 - $99 / hr2 - 9
Services provided
See all 5 projectsTech Makers is a no-code development company specializing in projects using tools like Bubble.io, offering custom software solutions and integrations. Their reviews highlight an 80% satisfaction rate, with clients praising their technical expertise, project management skills, and UX/UI improvements. Nearly all reviewers appreciated their ability to deliver complex functionalities efficiently and their professional communication, with no significant areas for improvement noted.
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Undisclosed$25 - $49 / hr10 - 49Montevideo, Uruguay
Services provided
See all 13 projectsKreitech is a versatile software development company excelling in cybersecurity, staff augmentation, and custom technology solutions such as AI, blockchain, and VR/AR experiences. With overwhelmingly positive feedback, 100% of reviewers commend their communication, adaptability, and consistent on-time delivery. Clients appreciate Kreitech's ability to align solutions with project goals, making them a reliable partner for complex technological challenges.
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Undisclosed$150 - $199 / hr2 - 9Seattle, WA
Services provided
See all 8 projectsFreelock LLC is a web development company specializing in Drupal and WordPress. They are praised for their technical expertise, particularly in web security and CMS upgrades, and for their responsive and clear communication. Across multiple projects, clients appreciate their reliability and proactive approach to problem-solving, with over 90% of reviews highlighting their ability to deliver tailored solutions and excellent customer service.
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$10,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
Services provided
See all 21 projectsFuturist Labs is a software development company specializing in mobile app and platform creation, offering services for both iOS and Android. Reviewers commend the company for its professionalism, effective communication, and ability to integrate smoothly with existing teams, with 100% of reviews highlighting their flexibility and expertise. Their collaborative approach and commitment to client satisfaction have been consistently recognized across all feedback.
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$10,000+$50 - $99 / hr50 - 249Lelystad, Netherlands
Services provided
See all 2 projectsPROBEGIN is a versatile web development company known for its robust technical expertise in creating platforms and e-commerce solutions. They have consistently received positive feedback, with clients commending their project management skills, responsiveness, and ability to deliver creative and technical solutions efficiently. Approximately 100% of reviewers express satisfaction with their communication, flexibility, and proactive approach to problem-solving.
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$10,000+$100 - $149 / hr10 - 49Southend-on-Sea, England
Services provided
See all 6 projectsAtlas - Clever Software is a software development company specializing in creating bespoke web-based applications and solutions, particularly in CRM systems and mobile platforms. Across their reviews, the company is praised for its professionalism, innovative approaches, and partnership-driven mindset. Clients highlight their ability to deliver solutions on time and within budget with a focus on business value, resulting in high customer satisfaction. Notably, Atlas demonstrates adaptability and a commitment to client success, with nearly 100% of reviewers appreciating their proactive strategies and collaborative project management.
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$10,000+$100 - $149 / hr10 - 49Lalitpur, Nepal
Services provided
See all 3 projectsSynapse Technologies is a versatile technology solutions provider offering web development and software services, particularly adept at AI applications and IT management. Reviews reveal a consistent theme of timely delivery, exceptional client communication, and high customer satisfaction, with no areas for improvement mentioned and positive feedback from 100% of their clients.
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$25,000+$50 - $99 / hr50 - 249Chernihiv, Ukraine
Services provided
See all 17 projectsSoft Industry Alliance is a versatile IT development company specializing in AI solutions, ERP systems, web and mobile applications, and complex backend infrastructure. Reviews highlight their technical expertise, agile project management, and responsiveness, with over 80% of feedback being positive, emphasizing their strong communication and client alignment. While some documentation can improve, clients consistently express satisfaction with their professionalism and deliverables.
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$50,000+$100 - $149 / hr10 - 49Burnaby, Canada
Services provided
See all 1 projectsSEYA Group is a software development and outsourcing company specializing in providing back-end, front-end, QA, and DevOps resources. The company received overwhelmingly positive feedback, with clients praising their ability to reduce project timelines by 50% and eliminate technical debt. Approximately 100% of reviews highlight their high-level professionals, cost-effectiveness, and excellent cultural fit.
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$5,000+$50 - $99 / hr50 - 249Panama City Beach, FL
Services provided
See all 4 projectsTeknika is a versatile software development company specializing in web and mobile applications, website design, and technical support. Across the reviews, 100% of clients expressed satisfaction with Teknika’s project management and technical capabilities, emphasizing the team’s promptness and the impressive back-end architecture work. Clients noted no areas for improvement, highlighting their overall positive experience with Teknika.
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$5,000+$50 - $99 / hr10 - 49Gdańsk, Poland
Services provided
See all 2 projectsNet PC is a technology company specializing in the development of innovative booking systems and platforms for research and data collection. Reviews highlight their effective project management, strong communication skills, and technological expertise. Approximately 100% of the feedback is positive, with clients praising their ability to reduce costs and streamline processes efficiently.
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$1,000+< $25 / hr10 - 49Ahmedabad, India
Services provided
See all 2 projectsVGD Technologies is a software development company specializing in creating investment apps and CRM systems. Across their reviews, 100% positive feedback highlights their timely delivery and effective project management, with impressive results such as generating over $2.7 million in revenue for a client. Reviewers consistently praised their responsiveness and value for cost.
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Undisclosed$25 - $49 / hr10 - 49
Services provided
See all 5 projectsImpliway is a professional Odoo ERP implementation company that specializes in providing tailored solutions for inventory management, workflow simplification, and data assessment. With around 100% positive feedback, clients commend their strong communication, timely delivery, and personalized service. Notable qualities include their commitment to results and client satisfaction, while some suggest further expertise in HR modules could be beneficial.
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$10,000+Undisclosed10 - 49
Services provided
See all 13 projectsSitePen is a company specializing in Enterprise Application Modernization services, offering solutions such as software and platform modernization. Clients consistently praise their professional project management and effective communication, with 100% of reviewers noting timely delivery and responsiveness to client needs. Their technical expertise and collaborative approach were highlighted as significant strengths.
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$25,000+$25 - $49 / hr10 - 49Bengaluru, India
Services provided
See all 7 projectsTechpearl Software Pvt Ltd. is a versatile software development company specializing in creating customized solutions across multiple industries, including environmental consulting, e-commerce, supply chain management, and more. The company is praised for its responsiveness, timely delivery, and collaborative approach, with 100% of reviewers positively noting their adaptability and commitment to project success. However, some clients suggest improvements in requirement gathering and project management processes.
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$10,000+$25 - $49 / hr10 - 49Ashtarak, Armenia
Services provided
See all 3 projectsHydralab LLC is a web development company specializing in creating custom websites and portals, primarily serving industries like gaming. Their reviews highlight a strong culture and timely project delivery, with 100% positive feedback on their project management and adherence to deadlines. Clients appreciate their alignment in values and effective communication, though some mention a need for all developers to meet the latest standards.
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UndisclosedUndisclosed50 - 249Stockholm, Sweden
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See all 4 projectsDevelit is an Enterprise Application Modernization company specializing in building custom business systems and automating functions. Feedback from clients highlights their ability to simplify processes significantly, with over 50% of orders coming directly through client webshops. Reviewers praise Develit for their personal touch and alignment with company values, although there is a noted area for improvement regarding timely project delivery.
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$10,000+$25 - $49 / hr50 - 249Birmingham, England
Services provided
See all 7 projectsBlueberry Consultants is a bespoke software development firm, praised for their tailored solutions and robust project management. Across the reviews, 100% of clients highlighted their effective communication and adaptability, with no negative feedback reported. Clients frequently mentioned their ability to meet deadlines and budgets, with 83% specifically noting their quick response times and problem-solving capabilities.
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List of the Top 15 Legacy Modernization Services
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$5,000+< $25 / hr1,000 - 9,999
Ability to deliver
35.9/40.016.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
35.4/40.015.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
37.5/40.019/20 Reviews10/10 Clients & Experience8.5/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$25,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35.2/40.017.2/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
34/40.015.2/20 Reviews8.8/10 Clients & Experience10/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
39.7/40.019.8/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
37.3/40.017.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
11% Enterprise App Modernization89% Other -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
36.4/40.016.6/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
38.4/40.018.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
32.2/40.015.8/20 Reviews10/10 Clients & Experience6.4/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
32.1/40.017.4/20 Reviews9.8/10 Clients & Experience4.8/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
33.7/40.016.4/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
37.1/40.017.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$150 - $199 / hr50 - 249Montréal, Canada
Ability to deliver
37.5/40.017.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
35.3/40.016.8/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$25 - $49 / hr50 - 249Portland, OR
Ability to deliver
35.3/40.017/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999Unterschleißheim, Germany
Ability to deliver
35.1/40.018/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$50 - $99 / hr50 - 249Prague, Czech Republic
Ability to deliver
39.2/40.020/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$100 - $149 / hr50 - 249Belfast, Northern Ireland
Ability to deliver
37/40.017.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
36.9/40.017.8/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249Toronto, Canada
Ability to deliver
37.9/40.020/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr250 - 999Palo Alto, CA
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$25,000+$50 - $99 / hr50 - 249Kraków, Poland
Ability to deliver
36.7/40.017/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$25 - $49 / hr50 - 249Melbourne, Australia
Ability to deliver
32.7/40.016.2/20 Reviews8.4/10 Clients & Experience8.1/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$25,000+$50 - $99 / hr50 - 249Rybnik, Poland
Ability to deliver
34.7/40.016.8/20 Reviews10/10 Clients & Experience7.9/10 Market PresenceService focus
30% Enterprise App Modernization70% Other
Top App Modernization Agencies
App modernization companies upgrade, refactor, or re-platform legacy software so it performs like a modern, cloud-ready application. They begin by auditing the existing codebase, infrastructure, and business requirements, then create a roadmap that might include re-architecting monolithic apps into microservices, containerizing workloads, or migrating databases to scalable cloud environments. Their end goal is to improve performance, security, and maintainability while minimizing downtime.
Most firms deliver a mix of strategic and technical services, such as:
- Legacy code assessment and technical debt analysis
- Re-platforming (e.g., on-prem to AWS, Azure, or GCP)
- Code refactoring and re-architecting into microservices
- API enablement and containerization (Docker, Kubernetes)
- UI/UX refresh and mobile optimization
- Data migration, cleansing, and database modernization
- Ongoing maintenance, DevOps, and cloud cost optimization
Pricing varies widely depending on project scope, complexity, and the tech stack involved. Clutch data shows most engagements range from $50,000 to $500,000 overall, with hourly rates between $75 and $200. Lighter projects like a UI facelift or limited refactoring tend to fall near the lower end, while full re-architectures involving cloud migration, data overhaul, and strict compliance can exceed $1 million. Always request a detailed proposal that outlines costs for discovery, development, testing, and support.
When choosing the best right app modernization for your business, consider these:
- Review expertise: Look for case studies that mirror your tech stack (Java, .NET, PHP) and industry compliance needs.
- Check client feedback: Verified Clutch reviews reveal how the team communicates, hits deadlines, and handles setbacks.
- Evaluate methodology: A strong partner will propose a phased approach that includes assessment, pilot, and rollout stages, each with clear success metrics.
- Validate certifications: Cloud partnerships (AWS, Microsoft, Google) signal deep platform knowledge.
- Assess cultural fit: Long projects require easy communication, mutual trust, and shared time zones or overlap.
These are some of the red flags that you should watch for when hiring an app modernization company:
- Guaranteed timelines before an audit: Accurate estimates require a code and infrastructure review.
- Lack of documentation: If they won’t commit to architecture diagrams, test plans, or knowledge transfer, future maintenance may suffer.
- One-size-fits-all solutions: Forcing every project onto a single cloud or framework can indicate limited expertise.
- Poor security practices: Outdated OWASP knowledge or no DevSecOps pipeline is a deal-breaker for critical systems.
- Minimal client references: A reputable firm should readily provide recent, relevant references.
Here are some questions you can ask app modernization companies before hiring them:
- Which modernization strategies (rehost, refactor, re-architect) do you recommend for our stack, and why?
- Can you share success metrics from similar projects—e.g., performance gains or cost reductions?
- What is your approach to minimizing downtime during migration?
- How will you ensure code quality and security (tooling, peer reviews, automated testing)?
- What support and knowledge-transfer do you provide after launch?
- How do you handle scope changes and unforeseen legacy issues?
Partnering with specialists accelerates time-to-value. Experienced teams bring proven frameworks, automation toolchains, and cloud partnerships that help reduce risk and shorten migration windows. Businesses often benefit from faster performance, lower maintenance costs, improved security compliance, and easier feature releases, all without overburdening internal teams.
A freelancer may handle small refactoring tasks cost-effectively but often lacks the resources for large-scale audits, DevOps, and 24/7 support. Agencies provide multidisciplinary teams including architects, developers, QA specialists, DevOps engineers, and project managers who can deliver end-to-end transformations with enterprise-grade SLAs.