Top Application Modernization Services
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UndisclosedUndisclosed10 - 49
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See all 1 projectsGlobal Infonet is a Jacksonville-based IT solutions provider specializing in comprehensive content management system (CMS) implementations, including Sitecore. The company has received overwhelmingly positive feedback, with 100% of reviewers noting their meticulous and thorough approach. Clients particularly appreciate the convenience and improved manageability of their solutions, expressing consistent satisfaction with Global Infonet's work.
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$25,000+$150 - $199 / hr10 - 49
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See all 4 projectsCrux Digital is a versatile UX/UI and software development company that excels in building digital platforms and prototyping applications. With a solid track record in project management, clients report a 99% satisfaction rate with their prototypes and highlight their flexibility and cost-efficiency. 75% of reviewers commend their expertise in frontend development and prototyping using tools like React.js and Adolo. They are noted for their domain knowledge and proactive collaboration. However, some suggest improving delivery timelines and being more adaptable with corporate partners.
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$5,000+$50 - $99 / hr2 - 9Bengaluru, India
Services provided
See all 1 projectsAccode Software Pvt. Ltd. is a mobile and web development company recognized for its expertise in React, React Native, and Firebase. All reviews highlight their timely delivery and effective communication, with particular praise for the technical knowledge of their founder, Bhavish. The reviews do not indicate any areas for improvement, reflecting 100% positive feedback.
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$5,000+$25 - $49 / hr10 - 49Victoria, Canada
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See all 10 projectsSaveOnDev is a versatile software development company specializing in web and mobile app development, as well as SEO services. Across multiple reviews, clients highlight their effective communication, responsiveness, and project management skills. Approximately 90% of reviewers commend their ability to meet deadlines and appreciate their cost-effective solutions, while also acknowledging the company's willingness to iterate and adapt based on feedback.
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$5,000+$25 - $49 / hr10 - 49Leuven, Belgium
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See all 3 projectsDevsarch is a versatile software development and digital marketing company consistently praised for delivering high-quality projects on time and within budget. Their clients commend their exceptional communication and dedication, with 100% of reviewers highlighting their cultural fit and accommodating nature. They demonstrate expertise in eCommerce platforms, website development, and system performance enhancements, offering excellent value for cost across diverse industries.
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$10,000+$200 - $300 / hr2 - 9
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See all 3 projectsSolved is a professional software development company specializing in app and platform development using advanced technologies such as AngularJS and Scala. They have consistently delivered high-quality solutions tailored to client needs. Nearly 100% of reviewers commend their technical expertise and project management skills, noting their ability to meet deadlines and exceed expectations. Despite their small size, Solved's impactful work and reasonable pricing have been widely appreciated.
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$10,000+$150 - $199 / hr2 - 9
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See all 1 projectsJoen.io is a development company specializing in creating interactive mobile applications. Reviews indicate that they deliver high-quality, complex products that meet client expectations, with an emphasis on honest partnerships and effective communication. Approximately 100% of the feedback highlights their reliability, although some suggest improvements in project management. Overall, Joen.io is praised for their professionalism and ability to meet deadlines within budget constraints.
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$50,000+$25 - $49 / hr50 - 249Bogotá, Colombia
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See all 1 projectsLucasian Labs is a technology consulting firm that specializes in comprehensive technical assessments and optimization strategies. The reviews highlight their deep technical knowledge and attention to detail, with 100% of the feedback being positive. Clients appreciate their effective communication and detailed analysis, leading to actionable improvement plans for digital platforms.
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$25,000+$100 - $149 / hr10 - 49Hilversum, Netherlands
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See all 2 projectsElastique is a technology company specializing in web and app development, with a strong focus on creating user-friendly and responsive digital platforms. Across their reviews, clients commend Elastique for their quality of development, creative problem-solving, and effective communication, with 100% positive feedback. Notably, 50% of reviewers highlight the accessibility and skill of their development team.
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$1,000+$50 - $99 / hr2 - 9København, Denmark
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See all 1 projectsFifium is a web development company specializing in creating personalized websites that reflect their clients' brands. Reviews highlight their strong project management skills and fair pricing strategy. Approximately 100% of the feedback mentions their effective communication and responsiveness, with their ability to maintain ongoing client support being a notable strength.
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$5,000+$100 - $149 / hr10 - 49
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See all 4 projectsBlue Shark Solution Inc. is a versatile digital agency providing web development and strategic IT solutions. Feedback from their clients is overwhelmingly positive, with 100% of reviews praising their project management, timely delivery, and cost-effective services. Clients consistently highlight their professional communication and expertise, with 75% specifically noting the impressive skills of the founder during project execution.
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$10,000+$50 - $99 / hr10 - 49San Francisco, CA
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See all 1 projectsStreamline Social is a UI/UX design company that aids businesses in creating user-friendly and presentable mobile applications. The overall feedback is positive, highlighting their resourcefulness and willingness to explore different solutions. While 100% of reviewers appreciate their quality work, some suggest improvements in their speed. The ongoing collaboration reflects their commitment to project success.
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$50,000+$100 - $149 / hr10 - 49
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See all 1 projectsSilicon Valley Insight is a custom software development company specializing in complex backend systems and quiz software solutions. All reviews indicated positive feedback, highlighting their proactive communication and ability to exceed expectations. They have successfully engaged over 40,000 respondents for a client's quiz, showcasing their impactful results and effective project management skills.
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$25,000+$25 - $49 / hr10 - 49Budapest, Hungary
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See all 8 projectsR-Szoft Ltd. is a dynamic software development and IT services company, excelling in custom software solutions, system integration, and testing. The company consistently receives positive feedback, with 100% of reviewers praising their professionalism, agile project management, and timely delivery. Clients commend their flexibility, proactive communication, and collaboration with existing teams, making R-Szoft Ltd. a reliable partner for complex projects.
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$25,000+$100 - $149 / hr2 - 9Phoenix, AZ
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See all 4 projectsVelocity Labs is a software development company specializing in creating and maintaining custom applications and platforms using Ruby on Rails. Across their reviews, 100% of the feedback is positive, highlighting their reliability, innovation, and effective project management. Clients commend them for delivering high-quality solutions and having a strong communication process, with 75% of reviews noting their impressive problem-solving capabilities.
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$1,000+$100 - $149 / hr2 - 9İstanbul, Türkiye
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See all 1 projectsBixcod Software and Consulting is a software development company known for delivering exceptional service in Turkey. They have positively impacted client businesses, as evidenced by one client's 85% sales increase post-project. Reviewers consistently highlight their effective communication and thorough project execution, resulting in unanimously positive feedback.
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$5,000+$50 - $99 / hr10 - 49Budapest, Hungary
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See all 1 projectsExalt Interactive is a design company specializing in creating user-friendly interfaces and enhancing user experiences for digital applications. Overall feedback from their reviews is predominantly positive, with clients appreciating their ability to meet deadlines and deliver quality work. Approximately 80% of reviewers highlight their timely delivery, while a few suggest minor areas for improvement in initial designs.
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$10,000+$25 - $49 / hr50 - 249The Woodlands, TX
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See all 1 projectsWundertec is a software development company specializing in CRM systems and digital solutions, particularly for brand management and ambassador programs. The company is praised for its flexibility, with around 70% of reviews highlighting their adaptability and budget management. However, 30% of reviews indicate room for improvement in time management and proactive conceptual work. Overall, clients appreciate the customized solutions and responsive service they provide.
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$50,000+$200 - $300 / hr10 - 49Loveland, CO
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See all 1 projectsRadial Development Group, LLC is a versatile software development company that effectively augments teams by addressing complex technical challenges such as dependency management and CI/CD pipelines. Notable strengths include professional communication and agile methodologies, with 100% of reviewers praising their problem-solving capabilities, though some suggest more frequent communication could enhance efficiency.
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$5,000+$50 - $99 / hr10 - 49Prague, Czech Republic
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See all 3 projectsBlocshop is a software development company specializing in designing secure data management architectures, developing intuitive interfaces, and offering cloud-based solutions. The feedback is overwhelmingly positive, with 100% of reviewers praising their agile methodology, timely delivery, and commitment to quality. The company's expertise in adapting to client needs and offering innovative solutions is consistently highlighted across reviews.
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$1,000+< $25 / hr10 - 49
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See all 2 projectsSpikeway Technologies is a web development company known for designing and building robust portals, with a focus on B2B and B2C solutions. The company received positive feedback for its structured project management and on-time delivery, with 100% of reviewers praising their professional, interactive team and uncompromising service quality.
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$5,000+$25 - $49 / hr10 - 49
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See all 2 projectsICT Information Technologies is an IT services company specializing in automating and managing user demands, providing first and second-level IT support. The overall feedback is highly positive, with clients reporting a 50% increase in demand management speed and improved customer satisfaction. Reviewers consistently highlight their excellent project management and communication skills, with no significant areas for improvement mentioned.
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$5,000+< $25 / hr10 - 49
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See all 2 projectsVillage IT Services Private Limited is a versatile IT services company specializing in mobile and web app development, UI design, and backend solutions. Feedback indicates high satisfaction, with clients praising their adaptability and communication skills. Approximately 90% of reviewers commend their technical expertise, although a few suggest improvements in dedicated QA resources.
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$25,000+$50 - $99 / hr10 - 49Florianópolis, Brazil
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See all 2 projectsJungsoft is a technology services company specializing in UX design, backend development, and system integration. They have received overwhelmingly positive feedback, with 100% of reviewers praising their creativity, efficiency, and the exceptional quality of their deliverables. Clients commend their ability to deliver complex projects promptly and appreciate their collaborative and enjoyable work sessions.
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$10,000+$50 - $99 / hr10 - 49Kyiv, Ukraine
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See all 2 projectsSytecs, LLC is a cloud solutions provider renowned for its expertise in integrating MS Azure cloud services and SAP systems. Of their reviews, 100% reflect positive feedback, highlighting their exceptional project management, adaptability, and stakeholder engagement. Clients appreciate Sytecs' ability to overcome obstacles with innovative solutions, marking them as a reliable and highly professional partner in delivering tailored digital solutions.
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$5,000+$50 - $99 / hr2 - 9Poznań, Poland
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See all 3 projectseCodile is a versatile software development company specializing in creating custom platforms, apps, and websites tailored to client needs. Overall, feedback is highly positive, with clients praising their quick response times, strong development skills, and ability to understand client requirements. Approximately 90% of reviews highlight their exceptional project management and communication, while a few suggest improvements in visual guidelines and initial project estimates.
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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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$10,000+$25 - $49 / hr2 - 9Beograd, Serbia
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See all 3 projectsSally Engineering is a software development company specializing in front-end development and platform optimization. The reviews reflect a 100% positive sentiment, highlighting their strong communication, ability to integrate quickly into teams, and deliver high-quality work under tight deadlines. Approximately 60% of reviewers emphasize their proactive approach and commitment to partnership, with no major areas for improvement noted.
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UndisclosedUndisclosed2 - 9Encinitas, CA
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See all 1 projectsAgency73 is a software development company specializing in custom applications and analytics solutions. Reviewers commend their adaptability, professionalism, and ability to deliver high-quality work under tight deadlines. Notably, 100% of reviewers highlight their collaboration and integration into client teams, while some note potential challenges due to the company's size. Overall, 90% of feedback is positive, emphasizing their security consciousness and effective project management.
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$10,000+$100 - $149 / hr2 - 9Columbus, OH
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See all 1 projectsSoftware Verde, LLC is a software development company specializing in integrating Python APIs into complex image processing pipelines. According to reviews, the company excels in clear communication and efficient project management, consistently delivering projects on time and under budget. Feedback is overwhelmingly positive, with 100% of reviewers expressing satisfaction with their experience.
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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.