Top Application Modernization Services
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$10,000+$50 - $99 / hr10 - 49
Services provided
See all 8 projectsAlsyke Technologies is a web and software development company known for its full-stack development expertise and technology consultancy services. They have consistently received positive feedback, with approximately 85% of reviewers highlighting their responsiveness and effective communication. Clients appreciate their thoroughness, reasonable pricing, and ability to deliver projects efficiently and ahead of schedule, though there is a minor note for improvement in comprehending project scopes.
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$10,000+$50 - $99 / hr10 - 49عجمان, United Arab Emirates
Services provided
See all 5 projectsXfuturum is a technology consulting firm specializing in front-end development and application modernization, particularly in React and JavaScript frameworks. The reviews highlight their agility, technical expertise, and commitment to client success, with 100% of reviewers praising their work ethic and ability to meet deadlines. Xfuturum is lauded for delivering high-quality results, facilitating smooth project management, and providing strategic business insights.
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Undisclosed$25 - $49 / hr50 - 249Tallinn, Estonia
Services provided
See all 3 projectsQoderoom (Out of Business) was a software development company known for creating mobile applications and platforms. Reviewers highlighted their technical competence, effective solutions, and user-friendly designs, with 100% of the feedback being positive regarding their development capabilities. However, challenges included language barriers and cost transparency issues, mentioned by approximately 33% of the reviewers.
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$25,000+$150 - $199 / hr10 - 49Chicago, IL
Services provided
See all 9 projectsLoadsys Consulting, Inc is a web development company specializing in creating and maintaining custom digital solutions, including WordPress redesigns, custom applications, and comprehensive management systems. They consistently receive positive feedback, with clients praising their exceptional project management, responsive communication, and high-quality deliverables. Notably, over 90% of reviewers emphasize their transparency, reliability, and innovative approach to problem-solving.
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$5,000+$50 - $99 / hr10 - 49Niš, Serbia
Services provided
See all 2 projectsNistruct is a software development company known for delivering high-quality projects and seamlessly integrating with clients' teams. They excel in building social features and supporting Java projects, consistently meeting deadlines and client expectations. Across reviews, 100% of clients praised their strong team dynamics, timely communication, and alignment with client values, highlighting their fair pricing and adaptability.
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$10,000+$50 - $99 / hr2 - 9Boston, MA
Services provided
See all 5 projectsAclarify is a web and software development company specializing in creating modern, user-centric digital solutions and integrating advanced technologies. Across reviews, 100% of clients praised their technical expertise, project management, and communication, resulting in enhanced operational efficiency and customer satisfaction. Some clients noted that expanding their team could further bolster their already impressive service offerings.
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$5,000+$25 - $49 / hr50 - 249Pune, India
Services provided
See all 7 projectsOpcito Technologies is a specialized DevOps and software development company with expertise in cloud infrastructure, frontend development, and niche areas like MS Office add-in creation. Reviews indicate a 100% positive feedback rate, highlighting their technical proficiency, effective communication, and reliability in delivering projects on time. Clients particularly appreciate their ability to attract skilled personnel, and they are noted for their impressive co-founder involvement and team spirit in project execution.
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$50,000+$50 - $99 / hr10 - 49Baton Rouge, LA
Services provided
See all 1 projectsTiMaven LLC is a software development company specializing in enhancing web applications with technologies such as C#, Angular, and JavaScript. Review feedback is overwhelmingly positive, with clients praising their technical proficiency, efficient project management, and high-quality code delivery. Notably, 100% of reviewers commend their smooth collaboration and ability to meet or exceed project timelines.
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$10,000+$25 - $49 / hr10 - 49
Services provided
See all 6 projectsnuSoft, Inc. is a versatile technology solutions company specializing in data analytics, software development, web development, and UX design. Clients commend their technical proficiency, adaptability, and professionalism, with 100% of reviews highlighting their communication skills and cultural alignment. nuSoft consistently delivers on time, often exceeding expectations, and is regarded as a reliable partner rather than just a vendor.
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$50,000+$100 - $149 / hr2 - 9New York, NY
Services provided
See all 9 projectsWildcard is a versatile app and web development company known for its expertise in building consumer-facing applications, with a focus on UI/UX design and cloud infrastructure. Across multiple reviews, clients praise Wildcard's dedication, responsiveness, and project management skills, with over 90% of feedback being positive. Approximately 60% of reviewers highlight their ability to work collaboratively and integrate seamlessly with client teams.
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$1,000+Undisclosed10 - 49Ahmedabad, India
Services provided
See all 1 projectsTechrays Labs is a web development company noted for its excellent project management and technical expertise. With all reviews being positive, 100% of clients commend their communication skills and efficient service delivery. The company is particularly appreciated for offering good value for money while successfully delivering projects like web design and development.
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$25,000+$50 - $99 / hr50 - 249Kyiv, Ukraine
Services provided
See all 4 projectsGepard Bintime is a software development company specializing in platform development and digital solutions, including database management, content delivery systems, and mobile applications. The reviews reflect a high level of client satisfaction, with approximately 100% positive feedback emphasizing their ability to deliver quality work, retain talent, and effectively manage projects. Common praises include their innovation, dedication, and capacity to meet deadlines and client needs.
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UndisclosedUndisclosed50 - 249Mississauga, Canada
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See all 1 projectsVeriday is a digital solutions company specializing in website development and DevOps services. Reviews highlight their adaptability, expertise, and effective communication, with 100% of feedback mentioning their commitment to project milestones and cost performance. Their ability to align with client goals and deliver value makes them a favored choice among clients.
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$10,000+$50 - $99 / hr10 - 49Timișoara, Romania
Services provided
See all 1 projectsMoreDevs is a software development company that specializes in creating high-quality, configurable software solutions, particularly for integrating medical device data into clinic information systems. The feedback from their reviews is overwhelmingly positive, with 100% of reviewers praising their reliability, flexibility, and adherence to budgets and timelines, noting the software's impressive longevity and the team's strong communication and adaptability skills.
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UndisclosedUndisclosed250 - 999Pune, India
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See all 1 projectsExcellon Software is a versatile software development company specializing in ERP systems, dealership management, and B2C platforms. According to reviews, they are praised for their timely delivery and effective project management, with 100% positive feedback regarding the successful launch of a B2C platform. Areas for improvement include refining MVP development.
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$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
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See all 3 projectsDynamia is a versatile IT services company specializing in software development, backend programming, and IT support, particularly for sectors like travel and finance. Their reviews reflect a 100% satisfaction rate, highlighting their responsiveness, effective project management, and customer-focused approach. Clients appreciate their capability to resolve complex issues and consistently deliver on promises, with 67% specifically noting their strong communication skills.
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$5,000+$50 - $99 / hr50 - 249Edison, NJ
Services provided
See all 9 projectsI Verve Inc is a technology company specializing in Enterprise Application Modernization, offering services like app modernization and legacy system upgrades. Reviews highlight their technical expertise, effective project management, and ability to enhance app performance, leading to a 20% increase in user retention and an 80% reduction in crash rates. The feedback is overwhelmingly positive, with clients praising their professionalism and adaptability.
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$50,000+$25 - $49 / hr50 - 249Manchester, England
Services provided
See all 1 projectsArrk Group is a technology solutions provider specializing in web and mobile platform architecture, design, build, and support services. The company is praised for its effective project management and seamless collaboration, with 100% of reviews highlighting their dedication and expertise. Clients appreciate their alignment with company values and successful long-term partnerships.
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$10,000+$25 - $49 / hr50 - 249Vinnytsia, Ukraine
Services provided
See all 12 projectsPlexteq is a software development company specializing in Enterprise Application Modernization services. Their clients consistently praise their ability to enhance system performance, modernize application stacks, and deliver innovative solutions, with 100% positive feedback regarding responsiveness and project management. Their expertise in application modernization and exceptional customer service position them as a reliable partner for digital transformation projects.
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$10,000+$25 - $49 / hr10 - 49Brooklyn, NY
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See all 3 projectsMediaset LLC is a versatile digital agency specializing in ERP system development, website design, and corporate web solutions. Reviews indicate a 100% positive sentiment regarding their quality of work, communication, and effective project management. Clients report significant business improvements, such as increased order volumes and enhanced online presence, underscoring Mediaset LLC's impactful service delivery and professional approach.
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$5,000+$25 - $49 / hr10 - 49Karachi, Pakistan
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See all 4 projectsGYB Commerce is a web development and digital marketing company specializing in website design, development, and ongoing support, as well as social media marketing and SEO. Their clients consistently highlight their commitment, trustworthiness, and responsiveness, with approximately 100% expressing satisfaction with project outcomes and management. Opportunities for improvement are minimal, with a few clients suggesting clearer communication regarding timelines.
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$1,000+$50 - $99 / hr50 - 249Jakarta, Indonesia
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See all 2 projectsIce House is a comprehensive software development company specializing in full-stack development for iOS, Android, and web applications. Across reviews, clients commend their high-quality development work and effective project management, with approximately 90% highlighting their professional service-oriented approach. While they are praised for their cost-effective global team, some reviewers suggest enhancing app metric analytics integration.
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$1,000+$25 - $49 / hr10 - 49
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See all 1 projectsInspeero Technologies is a mobile app development company that excels in delivering functional and timely solutions, as evidenced by their involvement in creating a social networking app with notable features such as geolocation and texting. Positive feedback is unanimous, with 100% of reviewers praising their rapid communication and efficiency in meeting deadlines. Their ability to address issues swiftly further distinguishes their service.
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$1,000+$25 - $49 / hr10 - 49Dubai, United Arab Emirates
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See all 1 projectsAppricot IT Consultants is a proficient mobile app development company, specializing in creating applications from scratch, including photo editing apps on the Android platform. They receive overwhelmingly positive feedback, with 100% of clients praising their strong project management and development expertise, evidenced by an app rating of 4.4 on the Google Play store.
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$10,000+$50 - $99 / hr10 - 49Warszawa, Poland
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See all 2 projectsCodifive is a development company specializing in web solutions and natural language processing tools. Reviewers consistently praise Codifive for their high programming skills, initiative, and responsive communication. They delivered projects on time and met client expectations without areas for improvement. Approximately 100% of reviewers noted their excellent value for cost and cultural fit.
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$10,000+$25 - $49 / hr50 - 249Ahmedabad, India
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See all 5 projectsBrevitaz Systems Pvt. Ltd. is a software development company specializing in backend development, cloud solutions, and advanced technologies like Elasticsearch and Kafka. The reviews highlight their expertise in handling complex projects with precision and quality. Approximately 100% of reviewers commend their strong project management and communication skills, with particular praise for their proactive approach and ability to integrate seamlessly into clients' teams.
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$1,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 2 projectsSidnet is a web development company specializing in content aggregation, web scraping, and creating responsive digital solutions. The firm receives positive feedback for its professional approach, effective communication, and ability to adapt to clients' needs, with approximately 90% of reviewers highlighting their technical expertise and commitment to social responsibility. Some minor feedback involves occasional discrepancies in design, but improvements are promptly made.
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$10,000+$50 - $99 / hr250 - 999Chicago, IL
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See all 2 projectsProgrammers Beyond IT is a software development company known for its expertise in UX design, CI/CD practices, and delivering high-quality software solutions. Across the reviews, 100% of feedback highlighted their exceptional integration with internal teams, adaptability, and effective communication, with no significant areas for improvement mentioned. Their commitment to partnership and responsiveness is consistently praised, setting them apart in project management and delivery.
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$25,000+$150 - $199 / hr10 - 49San Jose, CA
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See all 4 projectsE8 Labs is a versatile development company focusing on building websites and apps tailored to client needs across various industries. According to reviews, 100% of clients commend their professional approach and innovative project management, though some note the need for improved timeline accuracy. They are praised for their commitment and ability to understand and enhance client visions.
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$5,000+$25 - $49 / hr10 - 49London, England
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See all 1 projectsWazobia Technologies is a web development company known for delivering excellent quality work and meeting project deadlines efficiently. With 100% positive feedback from reviewers, the company is praised for its seamless integration into client teams and effective communication using tools like Slack and Jira.
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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
35/40.019.6/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
35.3/40.018.8/20 Reviews10/10 Clients & Experience6.5/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$5,000+< $25 / hr1,000 - 9,999
Ability to deliver
31.9/40.016.6/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
31.6/40.017.4/20 Reviews9.8/10 Clients & Experience4.4/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
31.3/40.015.8/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$10,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
38.1/40.020/20 Reviews10/10 Clients & Experience8.1/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
36.6/40.020/20 Reviews10/10 Clients & Experience6.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
30.2/40.015.8/20 Reviews10/10 Clients & Experience4.4/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$25,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
33.9/40.018.2/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
29.8/40.015.2/20 Reviews8.8/10 Clients & Experience5.9/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
35.7/40.020/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
31.1/40.016/20 Reviews10/10 Clients & Experience5.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
33/40.017.2/20 Reviews10/10 Clients & Experience5.8/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
37/40.019.8/20 Reviews10/10 Clients & Experience7.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$25 - $49 / hr250 - 999Toronto, Canada
Ability to deliver
32.9/40.016.6/20 Reviews10/10 Clients & Experience6.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
32.7/40.016.8/20 Reviews10/10 Clients & Experience5.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
34.3/40.019/20 Reviews10/10 Clients & Experience5.3/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
33.7/40.016.6/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr250 - 999Unterschleißheim, Germany
Ability to deliver
32.2/40.017.2/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
35.2/40.019/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$50 - $99 / hr10 - 49Farmington, MI
Ability to deliver
31.5/40.016.6/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34.1/40.018.4/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$150 - $199 / hr50 - 249
Ability to deliver
32/40.016.6/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
31.8/40.016.4/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$1,000+< $25 / hr50 - 249Jaipur, India
Ability to deliver
32.6/40.017.2/20 Reviews9.4/10 Clients & Experience6/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
31.5/40.016.6/20 Reviews10/10 Clients & Experience4.9/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$25 - $49 / hr50 - 249Portland, OR
Ability to deliver
31.5/40.016.8/20 Reviews10/10 Clients & Experience4.7/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$250,000+$150 - $199 / hr10 - 49Littleton, CO
Ability to deliver
33.3/40.017.6/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
31.5/40.016.2/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$10,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
31.4/40.016.4/20 Reviews9.8/10 Clients & Experience5.2/10 Market PresenceService focus
20% Enterprise App Modernization80% 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.