Top Application Modernization Services
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$5,000+$25 - $49 / hr10 - 49Lahore, Pakistan
Services provided
See all 2 projectsDevOrbis is a development company specializing in mobile and web application solutions. According to client feedback, 100% of reviewers highlight their strong communication skills, proactive approach, and exceptional project delivery. Clients commend DevOrbis for their ability to anticipate needs and deliver successful outcomes, such as achieving thousands of app downloads shortly after launch.
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$1,000+$25 - $49 / hr10 - 49
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See all 1 projectsSoftPort is an outsourcing and custom software development company specializing in solutions such as customized software, websites, mobile applications, and graphic design. The company has consistently met expectations over five years, with 100% positive feedback highlighting their rigorous process-driven management style, led by UK professionals, and strong technical capabilities. Some clients noted a slight resistance to changing developers mid-project.
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$5,000+$50 - $99 / hr2 - 9
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See all 3 projectsUXBOX is a design and development company specializing in branding, UI/UX design, and web development. They consistently deliver high-quality platforms, as evidenced by positive feedback from 100% of reviewers, who commend their strategic thinking, execution, and professionalism. Approximately 50% of reviewers highlight UXBOX's responsiveness and ability to meet deadlines, while others appreciate their effective communication and collaboration skills.
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$5,000+$50 - $99 / hr10 - 49Wrocław, Poland
Services provided
See all 2 projectsCCA Europe.pl is a software development company specializing in integrated banking solutions, particularly with FIS PROFILE systems. Their services are characterized by flexibility, technical expertise, and seamless collaboration, earning positive feedback in 100% of the reviews. Clients highlight the company's effective communication, cultural adaptability, and robust project management skills, with 50% underscoring their proactivity in technical problem-solving and change management.
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$10,000+$25 - $49 / hr10 - 49Lucknow, India
Services provided
See all 2 projectsTechno Companion is a versatile technology company specializing in application development, technology consulting, and infrastructure improvement. Reviewers consistently praise their ownership and reliability, noting effective communication and a rapid turnaround time for issue resolution. With 100% positive feedback, clients commend their flexibility, seamless project execution, and commitment to quality, enhancing user engagement and satisfaction.
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$1,000+$25 - $49 / hr10 - 49Buenos Aires, Argentina
Services provided
See all 7 projectsXside is a versatile software development company, known for creating web and mobile applications and enhancing existing systems. Reviews highlight their strong project management skills, timely delivery, and technical expertise. Clients appreciate their commitment, flexibility, and quality of deliverables, with over 80% of feedback being positive. Common themes include excellent communication, impressive speed, and a collaborative approach.
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$50,000+$300+ / hr2 - 9Evanston, IL
Services provided
See all 1 projectsJAM-IT BPM Consultants is a specialized consultancy firm offering advanced business process management solutions, particularly in fraud detection for the healthcare sector. Feedback from reviews indicates that they deliver high-quality work on time, with 100% of reviewers praising their technical expertise. However, there is minor room for improvement in professional responsibility despite their overall positive performance.
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$250,000+$50 - $99 / hr50 - 249
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See all 1 projectsGBH is a comprehensive IT support and social media management company. Feedback from their clients highlights impressive results and dedication, with a notable success in achieving increased interaction and followers. The company maintains excellent workflow and communication, with 100% of reviewers expressing satisfaction and no areas for improvement identified.
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Undisclosed$50 - $99 / hr1,000 - 9,999Pittsford, NY
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See all 1 projectsConcentrix Corporation is a professional IT consulting firm specializing in CRM system customization and implementation. Review feedback emphasizes their expertise in adapting systems like Sugar to meet specific business needs, with a 100% positive mention of their commitment to understanding and aligning with client goals. However, there is a noted area for improvement in post-implementation support.
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$25,000+Undisclosed50 - 249Noida, India
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See all 4 projectsKritiKal Solutions is a technology company specializing in software development, particularly in computer vision, machine learning, and IoT solutions. The company has received positive feedback for its skilled talent pool, customer-centric approach, and ability to bring research ideas to practical applications. Approximately 80% of reviewers highlighted their impressive technical expertise and project management capabilities, although some noted the need for improved employee compensation and a stronger UX team.
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$10,000+< $25 / hr50 - 249Pune, India
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See all 4 projectsHeapTrace Technology Pvt. Ltd. is a versatile software development company specializing in custom software solutions, including web-based platforms and text analysis systems. The company is praised for its cost efficiency, strong project management, and proactive problem-solving, with a 100% positive feedback rate regarding responsiveness and adaptability. However, approximately 25% of reviewers suggest improvements in communication and testing rigor.
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$10,000+$25 - $49 / hr2 - 9Beograd, Serbia
Services provided
See all 6 projectsSally Engineering is a multifaceted software development company renowned for its expertise in system integration, web development, and front-end solutions. The firm consistently receives positive feedback, with 100% of reviewers highlighting their reliable project management, technical precision, and adaptability to client needs. Their ability to deliver effective solutions under tight deadlines and maintain clear communication is widely appreciated by clients.
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$5,000+< $25 / hr10 - 49
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See all 2 projectsNode Bracket Media is an app development company recognized for its exceptional technical work and efficient project management. With 100% positive feedback, reviewers commend their high-speed delivery, consistent reliability, and excellent communication. Clients highlight the company's ability to meet every milestone and remain a professional and loyal partner.
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$10,000+$50 - $99 / hr50 - 249
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See all 6 projectsKovix is a software development company that specializes in agile project management and the creation of bespoke software solutions, including web and mobile applications. The company has received overwhelmingly positive feedback, with 100% of reviewers praising their integration with internal teams and commitment to delivering high-quality, innovative solutions. Clients frequently highlight Kovix's proactive problem-solving and their impressive ability to understand and meet project requirements efficiently.
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$5,000+$25 - $49 / hr10 - 49Parramatta, Australia
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See all 4 projectsSavvient Technologies is an app development company specializing in iOS and Android solutions, utilizing .NET and Xamarin frameworks. Reviews highlight their effective communication and proactive issue resolution, with 100% of feedback being positive. Clients appreciate their clear communication, though improvements in bug logging processes are suggested.
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$25,000+$50 - $99 / hr50 - 249Győr, Hungary
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See all 3 projectsBrightHills is a software development company recognized for its expertise and excellence in project management, consistently delivering on time and addressing client needs effectively. Impressively, 100% of the reviews highlight their professionalism and project management skills, with no areas for improvement noted. The company is praised for aligning well with client values and maintaining a good cultural fit.
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$10,000+$25 - $49 / hr50 - 249
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See all 1 projectsMGS Software is a software, web, and mobile development company that provides comprehensive 360-degree services. The reviews highlight MGS Software's effective project management, timely delivery, and strong communication, with 100% positive feedback emphasizing their commitment to treating projects as "family projects" and ensuring client satisfaction.
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$10,000+$200 - $300 / hr10 - 49Greenwood Village, CO
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See all 1 projectsQuandary Consulting Group is a consulting firm specializing in creating custom Quickbase CRM solutions to enhance project efficiency. Reviews highlight their ability to deliver on time, with 100% positive feedback on their attention to detail and project management. Clients report increased efficiency and faster production as a result of their services.
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$5,000+$100 - $149 / hr2 - 9
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See all 5 projectsSEOParity is a versatile technology consulting company specializing in technical audits, platform migrations, and website development. Their extensive expertise across various domains, such as SEO, frontend engineering, and CMS architecture, is consistently praised in 100% of the reviews. Clients commend SEOParity's timely delivery, strong project management, and effective communication, with 80% of reviewers highlighting their impressive technical skills and consultation capabilities.
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$5,000+$25 - $49 / hr2 - 9Secunderabad, India
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See all 1 projectsDigital Software Labs is a web development company specializing in creating dynamic and user-friendly e-commerce websites. The overall feedback is positive, with 100% of reviewers praising their high-quality work and timely delivery. Notably, the engaging website design has directly contributed to customer acquisition.
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$25,000+$25 - $49 / hr10 - 49Gurugram, India
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See all 5 projectsSynergyLabs is a versatile technology firm specializing in custom software development, including UI/UX design, AI model development, and ERP systems. Reviewers consistently commend SynergyLabs for their responsiveness and technical expertise, especially in rapidly delivering solutions tailored to startups and established businesses. Over 90% of feedback highlights their ability to meet deadlines and provide effective solutions, with minimal negative comments primarily focused on team size and proactivity.
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$5,000+< $25 / hr2 - 9Beograd, Serbia
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See all 3 projects3ort Inženjering is a software development company specializing in .NET environments, JavaScript, and complex software modules for infrastructure and biotech sectors. Reviews emphasize their conscientiousness, strong work ethic, and responsiveness. Approximately 100% of feedback highlights their high-quality work, efficiency, and fair pricing, although some suggest improvements in native C++ application development.
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$5,000+$50 - $99 / hr2 - 9
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See all 1 projectsNapal Innovation is a web development company noted for its ability to create custom e-commerce solutions with minimal client oversight, as evidenced by their successful project with Atelier Lila PVT LTD. Their reviews highlight efficient project management and accountability, with 100% of clients expressing satisfaction with their work, despite higher costs.
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$5,000+$50 - $99 / hr2 - 9Vadodara, India
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See all 1 projectsStacknyu is a software development company specializing in building comprehensive security monitoring systems. Their services receive overwhelmingly positive feedback, with clients highlighting their technical expertise, proactive approach, and commitment to delivering user-friendly solutions. Approximately 100% of reviews praise their ability to manage complex projects with reliability and scalability, and their multi-channel notification systems are particularly noted for improving emergency response efficiency.
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$5,000+$200 - $300 / hr2 - 9
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See all 3 projectsReyem Technologies Inc is a multifaceted technology consulting firm specializing in AI integration, digital transformation, and custom web solutions. The company is highly regarded for its exceptional project management skills and innovative problem-solving, with 100% of reviewers praising its effectiveness and depth of knowledge. Clients consistently commend Reyem Technologies Inc for delivering projects on time and exceeding expectations.
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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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$5,000+$25 - $49 / hr10 - 49Pala, India
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See all 4 projectsKTS InfoTech Pvt. Ltd. is an IT services company specializing in full-stack development, mobile app development, and Windows driver expertise. With a 100% positive review rate, clients commend their technical expertise, timely delivery, and strong project management skills. Reviewers consistently highlight their communication and ability to adapt to project needs efficiently.
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$1,000+< $25 / hr10 - 49Kampala, Uganda
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See all 1 projectsEfficiencie is a technology solutions company providing biometric time and attendance systems. The overall feedback is highly positive, with 100% satisfaction regarding timely delivery and project management. Clients commend Efficiencie's project management skills, responsiveness, and adherence to budgets, although they suggest enhancing mobile reporting access. Efficiencie's work significantly improved organizational efficiency and decision-making capabilities.
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$10,000+$150 - $199 / hr2 - 9Plano, TX
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See all 1 projectsStackfound is a technology consultancy specializing in application development and cloud solutions, with an emphasis on AWS and Azure integrations. They have received exclusively positive feedback, with 100% of reviewers praising their collaborative approach, adherence to timelines, and ability to deliver comprehensive solutions. Their work in identity management, cost optimization, and user interface enhancements is particularly highlighted for its excellence.
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$5,000+$25 - $49 / hr50 - 249Jaipur, India
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See all 10 projectsMagnisys is a technology solutions company specializing in developing mobile and VR applications to enhance operational efficiency and customer engagement. Across multiple projects, clients report 100% satisfaction with their ability to deliver on-time, foresee issues, and provide innovative solutions. Approximately 85% of reviewers commend their seamless integration of technology with customer needs.
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List of the Top 15 Legacy Modernization Services
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$25,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
39.3/40.019.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
39.1/40.020/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$5,000+< $25 / hr1,000 - 9,999
Ability to deliver
35.9/40.016.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
35.4/40.015.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Southborough, MA
Ability to deliver
37.2/40.017.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr250 - 999Sacramento, CA
Ability to deliver
34.2/40.016.4/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
80% Enterprise App Modernization20% Other -
$25,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
34/40.015.2/20 Reviews8.8/10 Clients & Experience10/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$25,000+$25 - $49 / hr50 - 249Agoura Hills, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
33.8/40.018.2/20 Reviews9.8/10 Clients & Experience5.7/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$5,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
37.2/40.017.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249București, Romania
Ability to deliver
35.9/40.020/20 Reviews10/10 Clients & Experience5.9/10 Market PresenceService focus
35% Enterprise App Modernization65% Other -
$10,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
38.7/40.019/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
36.6/40.016.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
Undisclosed$150 - $199 / hr250 - 999London, England
Ability to deliver
36.4/40.017.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.3/40.018.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
32.2/40.015.8/20 Reviews10/10 Clients & Experience6.4/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
36/40.016.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr250 - 999Kropyvnytskyi, Ukraine
Ability to deliver
38.9/40.019.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
35.8/40.016.4/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$100 - $149 / hr10 - 49Costa Mesa, CA
Ability to deliver
36.8/40.018/20 Reviews10/10 Clients & Experience8.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
Undisclosed$25 - $49 / hr250 - 999Toronto, Canada
Ability to deliver
37.1/40.017.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
39.6/40.019.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr50 - 249Houston, TX
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35.6/40.017.6/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
Undisclosed$25 - $49 / hr250 - 999Beijing, China
Ability to deliver
36.8/40.020/20 Reviews7.2/10 Clients & Experience9.6/10 Market PresenceService focus
15% Enterprise App Modernization85% Other
Top App Modernization Agencies
App modernization companies upgrade, refactor, or re-platform legacy software so it performs like a modern, cloud-ready application. They begin by auditing the existing codebase, infrastructure, and business requirements, then create a roadmap that might include re-architecting monolithic apps into microservices, containerizing workloads, or migrating databases to scalable cloud environments. Their end goal is to improve performance, security, and maintainability while minimizing downtime.
Most firms deliver a mix of strategic and technical services, such as:
- Legacy code assessment and technical debt analysis
- Re-platforming (e.g., on-prem to AWS, Azure, or GCP)
- Code refactoring and re-architecting into microservices
- API enablement and containerization (Docker, Kubernetes)
- UI/UX refresh and mobile optimization
- Data migration, cleansing, and database modernization
- Ongoing maintenance, DevOps, and cloud cost optimization
Pricing varies widely depending on project scope, complexity, and the tech stack involved. Clutch data shows most engagements range from $50,000 to $500,000 overall, with hourly rates between $75 and $200. Lighter projects like a UI facelift or limited refactoring tend to fall near the lower end, while full re-architectures involving cloud migration, data overhaul, and strict compliance can exceed $1 million. Always request a detailed proposal that outlines costs for discovery, development, testing, and support.
When choosing the best right app modernization for your business, consider these:
- Review expertise: Look for case studies that mirror your tech stack (Java, .NET, PHP) and industry compliance needs.
- Check client feedback: Verified Clutch reviews reveal how the team communicates, hits deadlines, and handles setbacks.
- Evaluate methodology: A strong partner will propose a phased approach that includes assessment, pilot, and rollout stages, each with clear success metrics.
- Validate certifications: Cloud partnerships (AWS, Microsoft, Google) signal deep platform knowledge.
- Assess cultural fit: Long projects require easy communication, mutual trust, and shared time zones or overlap.
These are some of the red flags that you should watch for when hiring an app modernization company:
- Guaranteed timelines before an audit: Accurate estimates require a code and infrastructure review.
- Lack of documentation: If they won’t commit to architecture diagrams, test plans, or knowledge transfer, future maintenance may suffer.
- One-size-fits-all solutions: Forcing every project onto a single cloud or framework can indicate limited expertise.
- Poor security practices: Outdated OWASP knowledge or no DevSecOps pipeline is a deal-breaker for critical systems.
- Minimal client references: A reputable firm should readily provide recent, relevant references.
Here are some questions you can ask app modernization companies before hiring them:
- Which modernization strategies (rehost, refactor, re-architect) do you recommend for our stack, and why?
- Can you share success metrics from similar projects—e.g., performance gains or cost reductions?
- What is your approach to minimizing downtime during migration?
- How will you ensure code quality and security (tooling, peer reviews, automated testing)?
- What support and knowledge-transfer do you provide after launch?
- How do you handle scope changes and unforeseen legacy issues?
Partnering with specialists accelerates time-to-value. Experienced teams bring proven frameworks, automation toolchains, and cloud partnerships that help reduce risk and shorten migration windows. Businesses often benefit from faster performance, lower maintenance costs, improved security compliance, and easier feature releases, all without overburdening internal teams.
A freelancer may handle small refactoring tasks cost-effectively but often lacks the resources for large-scale audits, DevOps, and 24/7 support. Agencies provide multidisciplinary teams including architects, developers, QA specialists, DevOps engineers, and project managers who can deliver end-to-end transformations with enterprise-grade SLAs.