Top Application Modernization Services
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$10,000+$50 - $99 / hr10 - 49
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See all 21 projectsProvelopers is a versatile software development firm specializing in AI solutions, mobile app development, and UI/UX design. They are praised for timely delivery, user-centric design, and innovative problem-solving, with 100% of clients noting high responsiveness and value for cost. Reviews report enhanced operational efficiency and user engagement, with notable increases in metrics such as conversion rates and operational efficiencies.
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$1,000+< $25 / hr10 - 49Surat, India
Services provided
See all 2 projectsTechnomargin is a front-end development company that specializes in transforming Figma prototypes into functional websites. Based on client reviews, 100% of the feedback highlights their professionalism, patience, and ethical approach. While all clients were satisfied with the deliverables, some noted that faster delivery could be an area for improvement.
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$5,000+< $25 / hr10 - 49Chennai, India
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See all 2 projectsYsquare Technology is a versatile web and mobile development company known for its customer-centric approach and technical expertise. They excel in project management, consistently meeting deadlines and effectively collaborating with clients. With positive feedback from clients such as ShortCode Technologies and WEGoT Utility Solutions, Ysquare Technology maintains a strong reputation, with approximately 100% of reviewers highlighting their flexibility and effective leadership.
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$10,000+$50 - $99 / hr2 - 9
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See all 1 projectsXupe is a web app development company that excels in creating tailored digital solutions, with a focus on UI/UX design. The company is praised for its strategic input and collaborative project management, with 100% of reviewers highlighting their valuable contributions and adaptability. While some noted initial challenges in managing client expectations, the overall feedback is positive.
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$1,000+$25 - $49 / hr2 - 9Jakarta, Indonesia
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See all 1 projectsDelos is a web development company known for delivering reliable and timely services, including website development and maintenance. They have received positive feedback for their on-time delivery and quick issue resolution, with 100% of reviewers highlighting their efficiency and reliability in communication and support.
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$5,000+$25 - $49 / hr2 - 9Punta del Este, Uruguay
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See all 1 projectsXenio is a machine learning development company known for its strategic and execution capabilities, particularly in core tech development. Reviews highlight Xenio's excellent communication and cooperation, with 100% of reviewers praising their unique approach and project management skills. While some noted a language barrier, clients appreciated their ability to deliver innovative solutions swiftly.
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$5,000+$25 - $49 / hr2 - 9
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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
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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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$25,000+$50 - $99 / hr10 - 49
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See all 2 projectsPropulsoft is a versatile technology company offering web design, software, and application development services. The reviews highlight their strong project management, creativity, and impressive price-quality ratio. Approximately 100% of reviewers praise their responsiveness, innovative ideas, and the quality of the deliverables, indicating high satisfaction with Propulsoft's work and professionalism.
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$25,000+$150 - $199 / hr10 - 49
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See all 2 projectsinoutput is a development agency specializing in software and app development, offering robust project management services. Reviews indicate a high level of satisfaction with their technical and project management capabilities, with 90% of feedback noting timely delivery and transparency. However, feedback from a dance community noted initial communication challenges, which were reportedly addressed in subsequent stages.
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$75,000+Undisclosed10 - 49L'viv, Ukraine
Services provided
See all 5 projectsAimtraction is a software development company specializing in full-cycle development and Angular expertise for diverse project needs, such as AI-powered platforms and integrated solutions. Across reviews, the company is praised for its proactive communication and strategic thinking, with 100% of reviewers noting their strong engagement and adaptability. Approximately 90% of users express satisfaction with their timely delivery and commitment to client success.
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$5,000+< $25 / hr50 - 249Mumbai, India
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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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$25,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 4 projectsAIXTOR Technologies is a versatile IT services company specializing in website development, SharePoint portals, and Liferay-based solutions. The company is praised for its project management, technical expertise, and customer-centric approach. Approximately 100% of the reviews highlight timely delivery, professionalism, and tailored solutions. While mostly positive, one review suggests improvement in documentation clarity and internal policies.
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$1,000+< $25 / hr10 - 49
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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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$5,000+$25 - $49 / hr10 - 49Wrocław, Poland
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See all 6 projectsDevqube is a versatile IT services company offering expertise in web and mobile app development, database management, and software maintenance. With a satisfaction rate exceeding 95%, clients commend their efficiency, flexibility, and proactive approach to communication and problem-solving. A notable 80% of reviews highlight Devqube's ability to deliver complex solutions on tight schedules, underscoring their technical competence and customer-oriented service.
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$5,000+$50 - $99 / hr10 - 49
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See all 2 projectsDEIP is a company specializing in blockchain solutions, providing secure, scalable, and customizable platforms for projects requiring transparency and efficiency, especially in R&D and intellectual property management. Reviewers consistently commend DEIP's flexibility, technological capabilities, and effective project management, with 100% noting their impactful platform structure and potential cost savings. However, suggestions for improvement include expanding their customer base and team.
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Undisclosed$25 - $49 / hr10 - 49Dhaka, Bangladesh
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See all 6 projectsInvento Software Limited is a versatile software development company specializing in supply chain traceability, ERP solutions, and website design. The company consistently receives positive feedback for its attention to detail, professionalism, and responsiveness, with 100% of reviewers reporting satisfaction with project outcomes and timely delivery. Clients also appreciate their alignment with company values and cost-effective solutions.
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$1,000+$25 - $49 / hr10 - 49Bengaluru, India
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See all 2 projectsSimplileap Digital LLP is a web development company known for providing end-to-end solutions, including design, custom feature development, and maintenance. Positive feedback from clients highlights their ability to enhance website UI, speed, and traffic, with 100% of reviewers praising their project management, customer support, and partnership approach.
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Undisclosed$25 - $49 / hr2 - 9
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See all 1 projectsAppmakery is a versatile digital development company renowned for its expertise in both web development and strategic consulting. Reviews highlight the company's ability to align technical solutions with business objectives, backed by strong project management skills. Impressively, 100% of reviewers emphasize their holistic approach, which includes coaching and consultation, ensuring long-term success for their clients.
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$50,000+$50 - $99 / hr10 - 49Brooklyn, NY
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See all 1 projectsNext Horizon Tech Solutions is a custom software development company specializing in creating tailored solutions for businesses. They are highly efficient, with 100% of reviewers noting their ability to save time and meet client needs. Their proactive project management and attention to detail ensure a seamless experience for clients seeking comprehensive software solutions.
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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+$25 - $49 / hr50 - 249Lahore, Pakistan
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See all 2 projectsStrategistHub is a software development company known for its effective project management and responsiveness. Reviews highlight the company's alignment with client values and budget, with 100% of clients noting prompt communication and flexibility in handling project changes. While design aspects were noted as an area for potential improvement, StrategistHub's overall service was described as impeccable.
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$1,000+$25 - $49 / hr50 - 249
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See all 5 projectsXenon Apps is a custom mobile application development company, praised for delivering user-friendly and innovative apps. The reviews highlight a remarkable 100% satisfaction rate, with clients commending their timely delivery, project management, and ability to turn ideas into functional applications. However, some feedback suggests potential for enhancing creative features to further captivate users.
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UndisclosedUndisclosedFreelancerLee's Summit, MO
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See all 1 projectsTranscendent Software is a consulting firm specializing in providing advice and solutions for prototype development, patent research, and strategic project direction. The company has received 100% positive feedback, with clients praising their honesty, straightforward communication, punctuality, and excellent value. All reviewers emphasized their satisfaction with the service and timely problem-solving capabilities.
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Undisclosed$150 - $199 / hr10 - 49Jacksonville, FL
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See all 5 projectsfeature[23] is a software development company known for building complex applications and providing strategic technological solutions. Reviews indicate a high satisfaction rate, with approximately 90% of feedback emphasizing their technical expertise and adaptability. Clients praise their project management skills and effective communication, with frequent acknowledgment of their ability to blend innovative engineering solutions with business needs. Overall, feature[23] is highly recommended for its reliability and contributions to client success.
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$5,000+$50 - $99 / hr10 - 49Regensburg, Germany
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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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UndisclosedUndisclosed10 - 49
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See all 1 projectsGlobal Infonet is a comprehensive IT solutions provider specializing in content management system implementations and website redesigns. The reviews highlight their meticulous approach, strategic planning, and thorough execution, with 100% of feedback being positive, emphasizing their accessibility and comprehensive backend capabilities. Clients commend their ability to create dynamic and interactive solutions that enhance content management efficiency.
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$5,000+$50 - $99 / hr2 - 9Bengaluru, India
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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+$50 - $99 / hr10 - 49
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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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$10,000+$50 - $99 / hr50 - 249Philadelphia, PA
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See all 12 projectsSpeed & Function is a software modernization company specializing in Enterprise App Modernization services. With a focus on delivering high-quality applications, 100% of reviewers highlight their exceptional project management and effective communication. Clients appreciate their ability to align with company values and foster smooth collaboration, resulting in successful project outcomes and enhanced 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.