Top Application Modernization Services
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$5,000+< $25 / hr10 - 49Hanoi, Vietnam
Services provided
See all 1 projectsSiten Software Company is a management software provider specializing in utility services for sectors such as restaurants, homestays, and spas. Their clients report high satisfaction, with 100% of reviewers praising their project management capabilities, responsiveness, and innovative approach, highlighting their transformation of traditional management methods into modern, technology-driven solutions.
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$1,000+$25 - $49 / hr10 - 49Coimbatore, India
Services provided
See all 2 projectsDATACLAP DIGITAL is a company specializing in UI/UX and backend development, particularly for healthcare services. Overall feedback highlights their ability to enhance user interaction and deliver user-friendly designs efficiently, noted by 100% of reviewers. The cooperation is described as seamless and highly interactive, with 100% of users appreciating their dedication and work ethic, although some suggest improvements in project status communication.
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$1,000+< $25 / hr10 - 49Bhubaneswar, India
Services provided
See all 3 projectsYoctotta Softwares Private Limited is a versatile software development company specializing in web development, mobile application creation, and tailored software solutions. With a consistent 100% positive feedback rate, clients appreciate their professionalism, effective communication, and reasonable pricing. Notably, 100% of reviewers commend their work culture and project management skills, reflecting a commitment to delivering high-quality, timely results.
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$10,000+< $25 / hr50 - 249Surat, India
Services provided
See all 1 projectsOptimumBrew Technology is a mobile app development company skilled in creating versatile applications for both iOS and Android platforms, as well as web-based services. Reviews consistently highlight their effective communication and project management, with 100% positive feedback on their customer service and technical recommendations. Clients particularly appreciate their responsiveness and the stability of their app solutions.
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$50,000+$50 - $99 / hr250 - 999Plano, TX
Services provided
See all 7 projectsDigicode is a full-service software development company, offering expertise in mobile app development, web design, infrastructure building, and comprehensive project execution. According to the reviews, clients highly regard Digicode for its flexibility, professionalism, and effective project management, with 100% of reviewers expressing satisfaction with their deliverables. Notably, 83% of reviewers mentioned their impressive communication skills and timely delivery.
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$10,000+$50 - $99 / hr50 - 249Kyiv, Ukraine
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See all 2 projectsConfidence Technology is a company specializing in website programming and e-commerce solutions. Their reviews highlight a commitment to innovation, attention to detail, and efficient project management. Clients noted significant improvements in site performance and user engagement. While highly satisfied overall, some clients suggested more frequent progress updates could enhance communication. Approximately 100% of the reviews reflect positive feedback on their services and outcomes.
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$1,000+< $25 / hr10 - 49Loveland, CO
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See all 3 projectsLinkingLogics.com is a software solutions provider specializing in database and talent management systems for recruiting and staffing firms. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their exceptional project management and customer service. Clients commend their cost-effective solutions, responsiveness, and ability to customize software to meet specific needs, noting their software enhances efficiency and supports business growth.
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$25,000+$100 - $149 / hr10 - 49Hermosillo, Mexico
Services provided
See all 1 projectsFifty Seven Pounds is a technology company specializing in website management and SEO content strategy. The reviews reflect a 100% positive sentiment, highlighting their adaptability, effective project management, and commitment to client success. Notably, 100% of reviewers appreciated their ability to align with company culture and handle project scope changes efficiently, ensuring timely and valuable project delivery.
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$1,000+< $25 / hr10 - 49Mumbai, India
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See all 1 projectsEnfini Labs Tech Consultant is a technology consultancy specializing in developing management software and databases, evidenced by their work with a rheumatology clinic. Their reviews reflect a 100% positive sentiment, highlighting effective project management and prompt delivery. Reviewers consistently praised their innovative approach and adaptability to new challenges.
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$1,000+$50 - $99 / hr10 - 49
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See all 1 projectsziphio is a mobile application development company that excels in creating apps for both Android and iOS platforms. Overall feedback from reviewers is positive, highlighting their punctuality and ability to meet expectations. While some guidance was necessary, ziphio's team demonstrated adaptability and commitment by addressing post-project glitches efficiently. The absence of suggested improvements further underscores their competence.
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UndisclosedUndisclosed10 - 49Omaha, NE
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See all 1 projectsVolano Software is a software development company specializing in creating mobile applications and web-based platforms for B2B clients. With an ongoing partnership since 2015, they have consistently demonstrated reliability and transparency. Clients appreciate their honest communication and significant contribution to reducing operational stress. Feedback indicates high satisfaction, with 100% of reviewers highlighting their integrity and effective project management.
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$5,000+$50 - $99 / hr50 - 249
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See all 1 projectsNubity is a cloud solutions provider specializing in onboarding, management, and implementation services for cloud-based systems. Reviews highlight a strong performance in project management and service quality, with 100% positive feedback regarding customer satisfaction and a noted 25% increase in call management. Users consistently commend their impressive customer service.
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$10,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
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See all 1 projectsDIV Motion is a digital signage solutions provider, specializing in developing custom widgets for social media integration. The reviews highlight their exceptional understanding of client needs and strong expertise, with 100% positive feedback regarding their knowledge and independence in managing projects. Clients appreciate their effective communication and organization, with no noted areas for improvement.
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$5,000+$150 - $199 / hr2 - 9
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See all 2 projectsCool Fire Inc is a versatile technology solutions provider, specializing in web development and infrastructure management. Their services include website creation, app development, and scalable technology infrastructure. The overall feedback highlights their responsiveness and innovative problem-solving skills, with 100% of reviewers mentioning their alignment of company values and impressive project management. Clients report successful outcomes, with one noting a doubling of business income facilitated by their support.
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UndisclosedUndisclosed50 - 249Edmonton, Canada
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See all 1 projectsSheetcast is a company specializing in converting Excel-based workflows into web applications, enhancing collaboration and data integrity. According to the reviews, 100% of clients praised their responsive project management and technical depth. A notable 80% mentioned their adaptability and ability to improve client engagement with live data models. The primary suggestion for improvement was expanding their post-launch documentation.
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UndisclosedUndisclosed10 - 49Alpharetta, GA
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See all 1 projectsAbel Solutions is a software development company specializing in creating workflow management solutions, notably integrating with Microsoft Dynamics CRM. Reviews highlight their strong project management and knowledgeable developers, with 100% of feedback expressing satisfaction and noting the delivery of solutions that met or exceeded expectations. Abel Solutions consistently impressed clients with their ability to meet defined milestones.
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$10,000+$150 - $199 / hr2 - 9Brookfield, WI
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See all 6 projectsOctavian Technology Group, LLC is an IT consulting firm specializing in cloud technology, AI/ML development, and strategic IT project management. The overall feedback from their reviews is overwhelmingly positive, with 100% of clients appreciating their knowledge and professionalism. Their strong project management skills, timely completion of tasks, and ability to exceed expectations are consistently highlighted across 90% of the reviews.
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$1,000+< $25 / hr10 - 49
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See all 3 projectsJS Tigers - Software Development is a versatile software development company specializing in UI component libraries, JavaScript applications, and automation solutions for diverse industries. With 100% positive feedback, reviewers commend their reliability, responsiveness, and ability to adapt to new technologies, though some suggest enhancing design capabilities. Their project management is marked by effective communication and timely updates.
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$10,000+$25 - $49 / hr10 - 49
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See all 2 projectsPolyxer Systems is a company specializing in Enterprise Application Modernization, offering services to modernize legacy systems with expertise in C# and .NET. Reviews indicate 100% positive feedback, highlighting their impressive technical skills, excellent project management, and timely delivery. Their strong understanding of client needs and effective communication are frequently praised.
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$10,000+$50 - $99 / hr10 - 49
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See all 1 projectsXelleron Pty Ltd is a software development company specializing in Xero integration and financial data manipulation tools. Reviews highlight their responsiveness and proactivity, with 100% positive feedback on project delivery and management. Clients appreciate Stefan's extensive knowledge, which effectively scopes projects, saving time and money.
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$50,000+$150 - $199 / hr10 - 49
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See all 4 projectsRocket Lab is a versatile technology solutions provider, offering services ranging from app development to UX/UI design and web development. Reviews highlight their responsiveness and project management skills, with 100% of clients praising their flexibility and quality of work. Clients commend Rocket Lab's ability to deliver complex projects efficiently, often exceeding expectations while maintaining a competitive pricing structure.
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$1,000+$50 - $99 / hr2 - 9Corona, CA
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See all 1 projectsWellomyTech is a tech consulting firm specializing in designing and developing online and mobile learning platforms. They are praised for their excellent communication, flexibility, and accountability, with 100% of reviewers highlighting their professionalism and solution-oriented approach. WellomyTech consistently meets deadlines and provides valuable recommendations, making them a reliable partner for complex integrations and technology solutions.
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$1,000+Undisclosed10 - 49Kyiv, Ukraine
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See all 6 projectsDuanex is a digital development company specializing in modernizing platforms and engineering software products. The company consistently receives positive feedback for its adaptive and proactive approach, efficient project management, and quality deliverables—demonstrated by 100% of reviewers noting timely delivery and responsiveness. Reviewers highly commend Duanex's ability to align with client values and deliver projects on budget.
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$25,000+$50 - $99 / hr10 - 49
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See all 5 projectsDEMY Software Services Ltd is a versatile software development company specializing in end-to-end solutions, including UI/UX design, software architecture, and complex algorithm development. Reviews indicate a high level of client satisfaction, with approximately 90% of reviewers highlighting the company's strong project management and responsiveness. Clients commend their flexibility, timely delivery, and effective integration with existing systems, with no significant areas for improvement mentioned.
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$5,000+$50 - $99 / hr10 - 49Tampa, FL
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See all 6 projectsKatpro Technologies Inc is a technology consulting firm specializing in automation, application development, and cloud services. Reviews highlight their adaptability, effective communication, and project management skills, with 80% of feedback praising their responsiveness and ability to handle dynamic project requirements. Clients appreciate their innovative solutions and seamless service delivery, though some suggest minor improvements in resource alignment and knowledge transfer planning.
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$5,000+UndisclosedFreelancer
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See all 3 projectsDaniel Amundson is a company specializing in Enterprise Application Modernization, focusing on modernizing legacy systems and software. Reviews highlight their adaptability and commitment, with 100% positive feedback emphasizing their ability to modernize complex codebases and deliver scalable solutions efficiently. Clients appreciate their dedication to meeting deadlines and providing emergency support, with minor suggestions for clearer communication.
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$1,000+$50 - $99 / hr2 - 9
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See all 3 projectsPhanoon Software Solutions is a web development company specializing in designing and developing comprehensive e-commerce websites and branding solutions. Their services are highly rated, with reviews highlighting their expertise in creating user-friendly, mobile-responsive, and SEO-optimized platforms. Across multiple projects, clients commend their project management, professionalism, and communication, with over 90% of reviews mentioning positive experiences and successful project outcomes.
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$1,000+$25 - $49 / hr2 - 9Lviv, Ukraine
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See all 1 projectsSoftelix is a development and testing services company that specializes in supporting SaaS security and asset management projects. Their clients report a highly effective workflow and excellent communication, with 100% of the feedback highlighting their knowledge, flexibility, and alignment with business objectives. Overall, Softelix consistently meets or exceeds client expectations in delivering high-quality products.
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$1,000+$100 - $149 / hr2 - 9
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See all 1 projectsStart State is a technology development company specializing in creating mobile and web applications. Reviews highlight their ability to streamline processes, as evidenced by reducing order collection time from four hours to 15 minutes. Clients commend their strong project management and communication, with 100% of reviewers praising their technology recommendations based on client needs rather than cost.
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$1,000+< $25 / hr10 - 49Vadodara, India
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See all 1 projectsiTechnoSol Inc. is a technology company specializing in web development, CMS migration, and digital marketing, including SEO and social media campaigns. The reviews highlight their proficiency in meeting deadlines, delivering budget-friendly solutions, and adapting to new technologies. Clients appreciate their innovative approaches, with 100% of reviews expressing satisfaction, although a desire for more proactive suggestions was noted.
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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.