Top Application Modernization Services
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$5,000+< $25 / hr10 - 49Hanoi, Vietnam
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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+$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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UndisclosedUndisclosed50 - 249Berkshire , England
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See all 1 projectsProventeq specializes in Enterprise App Modernization and digital transformation, offering services such as application and data migration. Reviews highlight their expertise in reducing migration time by 700% and minimizing business disruption. With excellent project management and a flexible approach, Proventeq consistently delivers timely solutions. Positive feedback comprises 100% of the reviews, emphasizing their accommodating nature and scalability in solutions.
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$25,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 7 projectsSinova Development is a specialized company focusing on Enterprise Application Modernization and software development. They have consistently received positive feedback, with clients praising their engineering execution and product-oriented thinking. Approximately 100% of reviewers commend their ability to deliver scalable and reliable solutions, underscoring their expertise in IT and digital systems transformation.
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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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Undisclosed$25 - $49 / hr1,000 - 9,999
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See all 1 projectsEtech Technology Solutions specializes in comprehensive digital marketing services, offering expertise in areas such as YouTube channel relaunches and podcast production. Reviews highlight a strong alignment with client values and commendable project management, with an emphasis on timely delivery and client responsiveness. Notably, 100% of the feedback is positive, emphasizing the company's dedication to service.
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$5,000+$50 - $99 / hr10 - 49Wrocław, Poland
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See all 1 projectsSolvti Sp. z o. o. is a company specializing in Enterprise Application Modernization, focusing on streamlining processes and integrating platforms for enhanced efficiency. Reviewers consistently commend their project management and solution delivery, with approximately 100% noting their professionalism and dedication. A minor challenge mentioned is the frequent changes in team composition, requiring additional onboarding time.
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$250,000+$50 - $99 / hr250 - 999
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Making Sense, a custom software development company, provide Custom Software Development and IT strategy consulting. They were founded in 2006.
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$50,000+$100 - $149 / hr250 - 999Baltimore, MD
Services provided
See all 5 projectsSurge – a Catalyte company is a software development firm renowned for its exceptional adaptability and expertise in full-stack development, API integration, and agile project management. With 100% positive feedback, clients frequently commend their effective communication, flexibility, and high-quality deliverables. Around 60% of reviewers highlight their ability to scale resources efficiently and meet strict deadlines, emphasizing their value as a reliable partner for diverse industry projects.
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$50,000+$100 - $149 / hr250 - 999Chandler, AZ
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See all 2 projectsClairvoyant is a data analytics and software development company specializing in BI solutions and custom application development. Overall feedback indicates strong project management and technical expertise, with 100% of reviewers expressing satisfaction with their engagement. Notably, Clairvoyant's collaborative approach and innovative solutions are frequently praised, with over 50% of reviews highlighting their effectiveness in addressing complex challenges.
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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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$1,000+< $25 / hr2 - 9Bengaluru, India
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See all 2 projectsMadgeek is a professional web development company renowned for creating optimized websites and enhancing user experiences. With a focus on aligning with client values and effective project management, 100% of reviewers commend their timely delivery and professionalism. Clients specifically highlight their dedication to understanding project requirements and delivering exceptional buyer experiences.
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$10,000+$25 - $49 / hr50 - 249Ranchi, India
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See all 4 projectsCsharptek is a software development company specializing in DevOps consulting, cloud-based solutions, and custom software development. Based on reviews, 100% of clients praise their communication, adaptability, and technical expertise, with 75% noting their impressive project management and quick turnaround. While UI design improvements were suggested, clients appreciate their depth of experience and positive collaboration.
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$5,000+$25 - $49 / hr50 - 249Austin, TX
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See all 2 projectsMusketeers Tech Inc. is a technology solutions company known for their innovative system rebuilds and modernizations. Reviews highlight their responsiveness and organizational skills, with 100% of feedback being positive. They are praised for their ability to scale, with 100% of reviewers noting their diligence and capability in adapting to clients' needs.
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Undisclosed$25 - $49 / hr250 - 999Ahmedabad, India
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See all 8 projectsStridely Solutions is a versatile IT service provider focusing on software development, custom integrations, and enterprise resource planning systems. The company receives overwhelmingly positive feedback, with approximately 90% of clients commending their professionalism, timely delivery, and dedication. Stridely's expertise in project management and client-focused approach are consistently praised, though clients suggest minor improvements in design aesthetics and proactive communication.
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$25,000+$150 - $199 / hr250 - 999Burnaby, Canada
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See all 4 projectsCelestial Systems Inc. is a technology solutions company that specializes in cloud transformation, web application development, and software development. Reviews indicate a strong emphasis on responsive project management, adaptability to budget constraints, and delivering value for cost, with 100% of reviewers highlighting effective communication. Some feedback suggests potential improvements in initial skill matching and quality control of UI mockups.
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$5,000+$100 - $149 / hr2 - 9Charlottesville, VA
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See all 2 projectsCoshx is a versatile app development company that specializes in creating native Android and iOS applications. Reviewers unanimously praise Coshx for their excellent project management, effective communication, and collaborative approach, with 100% of feedback being positive. Clients appreciate their thoughtfulness and ability to transform complex ideas into well-designed, user-friendly apps, making Coshx a highly recommended partner for app development projects.
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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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$5,000+$25 - $49 / hr10 - 49Pune, India
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See all 4 projectsVibeosys Software Pvt Ltd is a software development company specializing in web and app development. The company receives mixed reviews, with one client praising their integrity and project management despite cultural challenges, while another highlights issues with app functionality and coding quality. Approximately 50% of the feedback emphasizes positive aspects like trust and communication, while the other 50% points out technical shortcomings.
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$1,000+$25 - $49 / hr10 - 49Coimbatore, India
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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
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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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$1,000+< $25 / hr10 - 49Newcastle, WA
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See all 2 projectsHyperBeans is a digital marketing firm specializing in pre- and post-launch strategies. Reviews highlight the company’s proactive approach and responsiveness, with 100% positive feedback on their ability to lead projects and communicate effectively. However, their stringent initial requirement processes may occasionally be seen as cumbersome.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsThe Dev Alley is a web development company specializing in WordPress website design, on-page SEO, and performance optimization. Reviews highlight their proficiency in creating fast-loading websites with appealing design and effective project management. Clients report satisfaction with their services, noting the team’s understanding and expertise, with 100% positive feedback on their communication and delivery timeliness.
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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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$5,000+$25 - $49 / hr2 - 9Valley Cottage, NY
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See all 1 projectsMylaensys is a technology company specializing in innovative cloud-based payment solutions, particularly tailored for the parking industry. Reviews highlight their originality and flexibility, with 100% of reviewers noting their unique approach to payment processing and strong commitment to customer support. Notably, Mylaensys is praised for their effective collaboration to refine and market their product successfully.
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$5,000+$25 - $49 / hr2 - 9In-Naxxar, Malta
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See all 4 projectsKaapisoft Ltd is a software development company specializing in creating customized solutions for various industries, from telecoms to legal services. The company is highly praised for its strong communication skills, timely delivery, and thorough understanding of client requirements, with 100% of reviewers expressing satisfaction with their projects. Clients appreciate the company's ability to adapt to changing needs and provide professional recommendations.
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UndisclosedUndisclosed50 - 249Washington, DC
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See all 1 projectsMacro Solutions is an IT consulting firm specializing in application operations and maintenance (O&M) and modernization services. Feedback highlights their strong technical leadership, effective project management, and successful implementation of DevSecOps and CI/CD for over 25 applications. Clients regard them highly, with 100% of reviews noting their professionalism and integrity.
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$10,000+$50 - $99 / hr10 - 49
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See all 3 projectsWeb Bespokers is a software development company specializing in creating custom solutions, including APIs, education platforms, and UX improvements. Their reviews are overwhelmingly positive, with clients praising their exceptional engineering skills, speed, and effective communication. Approximately 90% of reviewers highlight their ability to deliver on time and their capacity to provide innovative solutions beyond the project's scope.
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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.