Top Application Modernization Services
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$10,000+$25 - $49 / hr10 - 49
Services provided
See all 4 projectsDevFactori is a mobile and web application development company noted for its excellent project management and technical proficiency. The company consistently delivers projects on time and within budget, as indicated by 100% of reviewers. Clients highlight DevFactori's ability to understand project goals and integrate their own insights, with 75% commending their responsiveness and innovation. While one reviewer noted limited experience with older platforms, overall feedback remains highly positive.
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$10,000+$50 - $99 / hr10 - 49Montevideo, Uruguay
Services provided
See all 4 projectsFusion IT specializes in services such as staff augmentation and application modernization, providing expertise in software development, testing, and support for enterprise app modernization projects. Reviews highlight Fusion IT's impressive team quality, strong project management, and their ability to achieve significant milestones, underscoring their capability in IT modernization and digital transformation initiatives.
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$5,000+$50 - $99 / hr10 - 49Santa Fe de la Vera Cruz, Argentina
Services provided
See all 2 projectsFlowing Code is a software development company known for its expertise in Java development and DevOps. Clients appreciate their ability to adapt swiftly to project requirements and integrate seamlessly into existing workflows. Feedback is overwhelmingly positive, highlighting their commitment to quality, with one client noting a 95% reduction in incident reports. While communication is generally good, there's room for continuous improvement.
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UndisclosedUndisclosed50 - 249Cockeysville, MD
Services provided
See all 1 projectsRDA is a distinguished web development company, specializing in Sitecore CMS solutions. Their reviews consistently highlight exceptional project management skills, seamless collaboration, and profound expertise in Sitecore, with 100% positive feedback emphasizing their professional approach and ability to anticipate and resolve issues effectively. Clients particularly appreciate their proficiency in creating intuitive, mobile-compatible websites that enhance user engagement and satisfaction.
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$5,000+$25 - $49 / hr10 - 49Bengaluru, India
Services provided
See all 1 projectsInovatrik Technologies Pvt Ltd is a product development company specializing in software solutions. They have received 100% positive feedback, with clients praising their timely delivery, user-friendly designs, and strong alignment with client values. The team is commended for their supportive nature and effective communication, demonstrating a solid understanding of business needs.
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$10,000+$25 - $49 / hr10 - 49Jaipur, India
Services provided
See all 9 projectsStartup Labs Infotech Private Limited is a versatile software development company offering services such as AI model training, custom software solutions, and application development across various industries. The reviews reveal overwhelmingly positive feedback, with 100% of clients impressed by their technical expertise, communication, and responsiveness. While deadlines were occasionally missed, their commitment to collaboration and problem-solving was consistently highlighted, demonstrating their reliability and client-centered approach.
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$25,000+$25 - $49 / hr250 - 999Taipei, Taiwan
Services provided
See all 2 projectsTPIsoftware, also known as ThinkPower, is a software design and development company providing business-tailored software solutions and consultancy services. Reviews highlight their expertise in mobile app solutions and project management, with 90% of feedback emphasizing their stability, effective communication, and technical proficiency. Clients appreciate their commitment to understanding project needs and delivering quality outcomes.
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$5,000+$25 - $49 / hr10 - 49Karachi, Pakistan
Services provided
See all 3 projectsZenveus is a technology solutions company specializing in AI-powered tools and backend AWS development. The reviews highlight their strong communication skills, adaptability, and ability to deliver projects ahead of schedule. Both clients were impressed with Zenveus's open communication channels and efficient problem-solving, with 100% expressing satisfaction and no areas for improvement.
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$5,000+$25 - $49 / hr10 - 49
Services provided
See all 2 projectsNetForemost, Inc is a software development company specializing in creating and enhancing web and mobile applications. Reviews indicate a high level of satisfaction, with 100% positive feedback on their ability to exceed client expectations and deliver quality work. Frequent praise highlights their dedication, innovation, and reasonable pricing. Some clients noted areas for improvement in project velocity calculation.
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$5,000+$50 - $99 / hr50 - 249Warszawa, Poland
Services provided
See all 3 projectsSavangard is a technology solutions company specializing in identity and access management, electronic workflow systems, and payment infrastructure. Overall, they receive positive feedback, with clients praising their technical expertise, communication, and project management. Approximately 100% of reviewers highlight their professional approach and timely delivery, with no significant areas for improvement mentioned.
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$10,000+$100 - $149 / hr2 - 9
Services provided
See all 3 projectsLD Studios is a versatile technology firm known for its expertise in developing custom solutions, including database creation and management systems. Their reviews reflect a high level of client satisfaction, with 100% of reviews highlighting their effective project management and responsiveness. Clients commend their ability to deliver comprehensive and tailored solutions, often exceeding expectations and providing services pro bono or at significant value.
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$25,000+$150 - $199 / hr10 - 49Schaumburg, IL
Services provided
See all 6 projectsCaptivix is a versatile technology solutions provider specializing in web and application development, ERP implementation, and software integration. Across various projects, they consistently receive positive feedback for their technical expertise, project management skills, and effective communication. Approximately 100% of reviewers commend their ability to meet deadlines and provide innovative solutions, indicating broad satisfaction with their professionalism and service quality.
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$10,000+$25 - $49 / hr10 - 49Bengaluru, India
Services provided
See all 2 projectsIdeaCrest Solutions Pvt Ltd is a proficient IT solutions company, specializing in designing and developing scalable software platforms with a strong emphasis on security, performance, and user-friendly interfaces. Across their reviews, 100% of clients praised their adherence to timelines, high-quality deliverables, and effective project management, highlighting their capability to meet complex business needs efficiently.
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$25,000+$50 - $99 / hr10 - 49Istanbul, Türkiye
Services provided
See all 7 projectsMavidev Software And Consultancy Co. is a specialized firm in Enterprise Application Modernization, emphasizing app modernization and digital transformation within the banking and financial sectors. Reviews highlight their deep domain knowledge and technical expertise, with 100% of reviews noting their strong project management and ability to align deliverables with business needs. Their proactive approach and consistent delivery timelines further affirm their reputation as a reliable partner.
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$10,000+$50 - $99 / hr50 - 249Lahore, Pakistan
Services provided
See all 7 projectsBearPlex is a software development and web design company highly praised for their innovative and responsive solutions across various industries. They consistently deliver projects on time, with over 95% of reviewers noting improved website performance and increased user engagement. While some suggest enhancing communication and documentation processes, BearPlex is lauded for its creativity, understanding of clients' needs, and effective project management.
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$10,000+$25 - $49 / hr50 - 249Singapore
Services provided
See all 2 projectsINVINCIX Solutions Private Limited is a technology development company that provides technical expertise and product development services. With 100% of reviewers praising their alignment with business goals and timely delivery, clients also highlight the company's strong culture and work ethics. Areas for improvement include optimizing resource management.
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Undisclosed$25 - $49 / hr2 - 9Mumbai, India
Services provided
See all 5 projectsVirtual Splat Software Pvt. Ltd. is a custom software development company specializing in ERP systems and related technologies. Across their reviews, they are praised for their commitment, timely delivery, and ability to meet customized client needs, with a notable 100% positive feedback rate. However, some clients suggest improvements in documentation and team expansion.
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$25,000+$50 - $99 / hr10 - 49Riverwoods, IL
Services provided
See all 12 projectsInsyte Consultancy Services is a specialized app development company known for creating custom mobile solutions across various platforms. With consistently positive feedback from clients, approximately 90% of reviews highlight their technical expertise and ability to bring innovative app ideas to fruition. Clients appreciate their communication and project management, though some note that timelines occasionally extend. Overall, Insyte Consultancy Services is recommended for their professionalism and commitment to client satisfaction.
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$50,000+$150 - $199 / hr10 - 49Birmingham, AL
Services provided
See all 1 projectsSigao Studios is a software development company known for creating tailored web-based platforms, such as those for specialized fields like speech-language pathology. The feedback highlights their strong project management and effective communication, with 100% of the review focusing on their ability to meet deadlines, accommodate changes, and ask clarifying questions. Overall, customer satisfaction is high with no identified areas for improvement.
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$5,000+$150 - $199 / hr10 - 49Vienna, VA
Services provided
See all 1 projectsAtigro is a branding and communication agency known for crafting clear and impactful narratives, particularly in complex fields. The reviews highlight a seamless collaboration process and an ability to distill complex ideas into concise messaging, with 100% of feedback reflecting positive experiences. Clients commend Atigro's personalized approach and deep understanding of branding challenges, although there's a suggestion for clearer service segmentation.
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$1,000+< $25 / hr10 - 49Nagpur, India
Services provided
See all 3 projectsTechquadra Software Solutions is a software development company specializing in real-time data analysis and AI-powered trading tools. With a focus on user-friendly interfaces and advanced trading features, 100% of reviewers highlight the company's technical expertise and customer-focused approach, while suggesting improvements in proactive communication. Their efficient project management and innovative solutions have consistently exceeded client expectations.
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$25,000+$25 - $49 / hr10 - 49Yerevan, Armenia
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See all 3 projectsCodeInno is a software development company specializing in creating customized digital solutions, including project management platforms and web applications. Their clients consistently praise their exceptional project management skills, flexibility in communication, and ability to deliver innovative and high-quality results. Approximately 100% of the reviews highlight CodeInno's dedication to understanding client needs and implementing effective solutions that align with their goals.
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$10,000+$25 - $49 / hr50 - 249
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See all 1 projectsSolution Mentors Inc. is an IT services company specializing in cloud infrastructure deployment, DevOps, and managed support services. The feedback is overwhelmingly positive, highlighting their professionalism, efficiency, and expertise. Approximately 100% of reviewers commend their ability to enhance operational efficiency and reduce costs, while their seamless workflow and holistic approach are consistently praised.
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$50,000+$50 - $99 / hr50 - 249T'bilisi, Georgia
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See all 2 projectsOptime is a software development company specializing in video, streaming, and media processing solutions. The company has consistently received positive feedback from clients, with reviews highlighting their technical expertise in low-latency video streaming and media codec applications. Approximately 100% of the feedback underscores Optime's adept project management and effective collaboration with clients, demonstrating their ability to meet and exceed performance and quality objectives.
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$100,000+$50 - $99 / hr10 - 49Novi Sad, Serbia
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See all 6 projectsSimple Solutions is a technology company specializing in custom software development, particularly for financial institutions and complex digital transformation projects. The company is highly praised for its technical expertise, agile project management, and ability to address complex domain-specific challenges. Review feedback is overwhelmingly positive, with approximately 90% of clients highlighting their robust understanding of client needs and dedication to quality deliverables. The company's ability to deliver projects on time and adapt to changing requirements is consistently commended.
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$50,000+$25 - $49 / hr50 - 249Bratislava, Slovakia
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See all 3 projectsSYTOSS is a software development company noted for its versatile and technically skilled team, providing services such as developing software suites, web and mobile applications, and internal systems. The company's reviews reflect a high level of satisfaction, with approximately 100% of clients highlighting their good value for cost, culture fit, and alignment with client needs. Their project management is generally reliable, with occasional minor delays, and they are praised for their communication and proactive assistance.
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$25,000+$25 - $49 / hr10 - 49Warszawa, Poland
Services provided
See all 7 projectsPRAS Europe is a versatile software development company providing services such as web development, mobile app creation, and business strategy consulting. The company is praised for its strong price-value ratio and professionalism, with approximately 75% of reviewers highlighting their exceptional business analysis and technical capabilities. However, there are suggestions for improved project management, though overall satisfaction is high with clients appreciating the company's responsiveness and value.
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$25,000+$50 - $99 / hr10 - 49Poznań, Poland
Services provided
See all 7 projectsThe BitByBit Company is a versatile software development firm specializing in mobile and web application solutions for a range of fields, including academic research, civic engagement, and healthcare. Reviewers consistently highlight the company's rapid delivery, meticulous attention to client requirements, and exceptional project management, with more than 80% praising their problem-solving and communication skills. Many clients appreciate their ability to transform complex concepts into practical applications efficiently.
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$25,000+$50 - $99 / hr10 - 49Skopje, North Macedonia
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See all 6 projectsMVP Masters is a software development company specializing in creating mobile and web applications. The feedback is mixed, with 80% of reviews being positive, highlighting their professionalism, efficiency, and commitment to project goals. However, one review (20%) describes significant negative experiences, citing issues such as mismanagement and contractual breaches. Despite this, many clients appreciate their cultural alignment and value for money.
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$10,000+$25 - $49 / hr50 - 249Ahmedabad, India
Services provided
See all 5 projectsViitorCloud is a versatile technology service provider specializing in custom software development, web development, and branding services. The company is recognized for its professionalism, adaptability, and responsiveness, with 100% of reviewers commending their effective communication and timely project delivery. Areas for improvement include upfront cost communication and proactive problem-solving. Overall, ViitorCloud is praised for its technical expertise and human values.
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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.