Top Application Modernization Services
-
$1,000+Undisclosed10 - 49Kyiv, Ukraine
Services provided
See all 4 projectsDuanex is a digital development company specializing in modernizing platforms and engineering software products. The company consistently receives positive feedback for its adaptive and proactive approach, efficient project management, and quality deliverables—demonstrated by 100% of reviewers noting timely delivery and responsiveness. Reviewers highly commend Duanex's ability to align with client values and deliver projects on budget.
-
$5,000+$50 - $99 / hr10 - 49Bratislava, Slovakia
Services provided
See all 4 projectsYounics is a software development company specializing in cross-platform development and agile solutions. Reviews indicate a strong alignment with client values, timely project delivery, and professional yet friendly communication. Approximately 100% of reviewers praised their project management and cultural fit, with no significant areas for improvement mentioned.
-
$10,000+$50 - $99 / hr50 - 249Philadelphia, PA
Services provided
See all 12 projectsSpeed & Function is a company specializing in Enterprise App Modernization and related services, consistently praised for delivering high-quality solutions with efficient project management. Of their reviews, 100% highlighted their strong communication and adherence to timelines, while 67% mentioned their ability to align with company values and provide good value for cost.
-
Undisclosed< $25 / hr50 - 249Sandton, South Africa
Services provided
See all 1 projectsKB Consulting is a bespoke web application development company specializing in advanced systems with Business Intelligence reporting. They received 100% positive feedback for their efficient project management and remarkable turnaround time, with clients highlighting cost-effectiveness as a significant benefit. All reviewers indicated satisfaction with no areas for improvement mentioned.
-
$25,000+$150 - $199 / hr250 - 999Burnaby, Canada
Services provided
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.
-
UndisclosedUndisclosed10 - 49Alpharetta, GA
Services provided
See all 1 projectsAbel Solutions is a software development company specializing in creating workflow management solutions, notably integrating with Microsoft Dynamics CRM. Reviews highlight their strong project management and knowledgeable developers, with 100% of feedback expressing satisfaction and noting the delivery of solutions that met or exceeded expectations. Abel Solutions consistently impressed clients with their ability to meet defined milestones.
-
$50,000+$100 - $149 / hr50 - 249Herndon, VA
Services provided
See all 1 projectsSolution Street is a web development company specializing in creating sophisticated web-based platforms with robust administrative back ends and intuitive user interfaces. The company has received 100% positive feedback, with clients praising their responsiveness, ability to grasp complex concepts, and the significant business growth facilitated by their solutions.
-
$5,000+Undisclosed2 - 9Plovdiv, Bulgaria
Services provided
See all 2 projectsSIX MS is an Enterprise Application Modernization company specializing in ERP solutions and IT Modernization. They are praised for their cost-effective services, rapid implementation, and responsive project management. Approximately 80% of reviewers commend their pricing and speed, while 20% suggest improvements in customizing system functionalities to better meet client needs.
-
$10,000+$50 - $99 / hr2 - 9Burlington, Canada
Services provided
See all 4 projectsSyS Creations is a versatile IT solutions provider specializing in healthcare IT development, robotic process automation, and IT infrastructure support. With 100% positive feedback, clients commend their reliability, efficient project management, and ability to deliver quality solutions on time. Approximately 75% of reviewers highlight their excellent problem-solving skills and proactive communication.
-
$10,000+$50 - $99 / hr50 - 249Kyiv, Ukraine
Services provided
See all 2 projectsConfidence Technology is a company specializing in website programming and e-commerce solutions. Their reviews highlight a commitment to innovation, attention to detail, and efficient project management. Clients noted significant improvements in site performance and user engagement. While highly satisfied overall, some clients suggested more frequent progress updates could enhance communication. Approximately 100% of the reviews reflect positive feedback on their services and outcomes.
-
$1,000+< $25 / hr10 - 49Loveland, CO
Services provided
See all 3 projectsLinkingLogics.com is a recruiting software company specializing in customized talent management solutions. The firm is highly regarded for its practical, cost-effective systems that enhance efficiency and drive revenue, with 100% of reviewers highlighting their exceptional customer service and technical expertise. Clients appreciate their prompt communication and ongoing support, noting the seamless integration and stability of their software solutions.
-
$25,000+$100 - $149 / hr10 - 49Hermosillo, Mexico
Services provided
See all 1 projectsFifty Seven Pounds is a technology company specializing in website management and SEO content strategy. The reviews reflect a 100% positive sentiment, highlighting their adaptability, effective project management, and commitment to client success. Notably, 100% of reviewers appreciated their ability to align with company culture and handle project scope changes efficiently, ensuring timely and valuable project delivery.
-
$1,000+< $25 / hr10 - 49Mumbai, India
Services provided
See all 1 projectsEnfini Labs Tech Consultant is a technology consultancy specializing in developing management software and databases, evidenced by their work with a rheumatology clinic. Their reviews reflect a 100% positive sentiment, highlighting effective project management and prompt delivery. Reviewers consistently praised their innovative approach and adaptability to new challenges.
-
$1,000+$50 - $99 / hr10 - 49
Services provided
See all 1 projectsziphio is a mobile application development company, specializing in creating apps for both Android and iOS platforms. The reviews indicate a positive experience, with 100% of clients noting timely project completion and effective problem-solving in post-project glitches. Though initial guidance was necessary, clients found the team to be quick learners and capable project managers.
-
UndisclosedUndisclosed10 - 49Omaha, NE
Services provided
See all 1 projectsVolano Software is a custom software development company specializing in mobile applications for iOS and Android, as well as web-based platforms. The reviews reflect a 100% positive sentiment, highlighting their reliability, transparency, and effective project management. Clients appreciate their straightforward communication and feel supported by their dedicated and flexible team.
-
$5,000+< $25 / hr10 - 49Hanoi, Vietnam
Services provided
See all 1 projectsSiten Software Company is a management software provider specializing in utility services for sectors such as restaurants, homestays, and spas. Their clients report high satisfaction, with 100% of reviewers praising their project management capabilities, responsiveness, and innovative approach, highlighting their transformation of traditional management methods into modern, technology-driven solutions.
-
$25,000+$50 - $99 / hr10 - 49
Services provided
See all 20 projectsIncipient Corp. specializes in IT Modernization services, emphasizing Enterprise App Modernization and digital transformation. Their reviews highlight a strong commitment to responsive and accommodating project management, with clients particularly praising their "never give up" attitude and successful delivery of cloud computing solutions.
-
UndisclosedUndisclosed50 - 249Berkshire , England
Services provided
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.
-
$1,000+< $25 / hr10 - 49
Services provided
See all 3 projectsJS Tigers - Software Development is a software development company specializing in building custom UI components, automation tools, and JavaScript applications. Clients highlight their willingness to ensure high-quality deliverables, strong project management, and effective communication. The company consistently receives positive feedback, with around 90% of reviews praising their reliability, responsiveness, and adaptability to client needs.
-
$1,000+$25 - $49 / hr2 - 9
Services provided
See all 8 projectsDeKnows is a versatile web development agency offering services such as website design, development, and maintenance, with expertise in Drupal CMS. Across multiple reviews, clients commend DeKnows for their exceptional project management, timely delivery, and responsive communication. Approximately 100% of reviewers noted their reliability and commitment to quality, resulting in significant business growth and enhanced online presence.
-
$250,000+$50 - $99 / hr250 - 999
Services provided
Making Sense, a custom software development company, provide Custom Software Development and IT strategy consulting. They were founded in 2006.
Read more -
$50,000+$100 - $149 / hr250 - 999Baltimore, MD
Services provided
See all 5 projectsSurge – a Catalyte company is a software development firm specializing in enhancing development capacities and delivering scalable solutions across various industries. Reviews indicate a high satisfaction rate, with over 90% of clients praising their agile project management and adaptability to complex projects. Notably, 80% of reviewers commend their talented, U.S.-based development team for delivering high-quality, innovative solutions aligned with client goals.
-
$50,000+$100 - $149 / hr250 - 999Chandler, AZ
Services provided
See all 2 projectsClairvoyant is a data and analytics services company known for its expertise in BI analytics and big-data platforms. Client feedback highlights their strong project management skills, with 100% of reviewers appreciating their engaged development methodology and teamwork. Additionally, their capacity to deliver complex projects on time and to specifications has earned them high praise for quality and reliability.
-
$10,000+$50 - $99 / hr2 - 9Sofia, Bulgaria
Services provided
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.
-
$5,000+< $25 / hr250 - 999Milpitas, CA
Services provided
See all 1 projectsChirpn IT Solutions is a technology company specializing in UI/UX design and platform development, particularly for sports-related applications. Their reviews reflect a 100% satisfaction rate, highlighting exceptional project management, timely delivery, and effective communication. Clients commend Chirpn IT Solutions for their balance between onshore and offshore resources, which aligns with budgetary and deliverable needs.
-
$5,000+$50 - $99 / hr10 - 49Istanbul, Türkiye
Services provided
See all 13 projectsVizio AI is a technology solutions company offering services in AI integration, dashboard development, and MVP creation. Reviews reveal a strong emphasis on timely delivery and effective communication, with 80% of feedback highlighting their adherence to deadlines and collaborative approach. However, 20% of reviews indicate room for improvement in project management and technical execution, particularly in complex e-commerce projects.
-
$5,000+< $25 / hr50 - 249Ahmedabad, India
Services provided
See all 2 projectsCypherox Technologies Pvt. Ltd. is a web development and digital solutions company specializing in creating websites with advanced features such as AI capabilities and SEO. The company receives consistently high praise, with 100% positive feedback from clients highlighting their exceptional project management, timely delivery, effective communication, and alignment with client values and culture.
-
$1,000+< $25 / hr2 - 9Bengaluru, India
Services provided
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.
-
$10,000+$25 - $49 / hr50 - 249Ranchi, India
Services provided
See all 4 projectsCsharptek is a software development company specializing in custom software solutions, DevOps consulting, and technical support. With commendable project management and exceptional communication, 100% of their reviews highlight their adaptability, expertise, and timely delivery. Clients value their problem-solving skills and experienced team, though some note minor UI design improvements are possible. Overall, Csharptek is praised for their professional engagement and effective solutions.
-
$5,000+$25 - $49 / hr50 - 249Austin, TX
Services provided
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.
Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.
Get My Matches
Tell us what you need — we’ll match you with top agencies in minutes.
Get My MatchesWhy Trust Clutch
At Clutch, we believe trust is the foundation of every business relationship. Our mission is to help buyers make confident, data-backed decisions informed by real client experiences.
Every review on Clutch undergoes a rigorous, human-led verification process to make sure it’s valid. Our team of specialists confirms the identity of each reviewer, ensures the project is legitimate, and only publishes reviews that meet our strict criteria.
Verification doesn’t stop at the point of publication. Our Trust & Safety team routinely audits older reviews against our guidelines. When reviews fall short of our standards, we remove them.
We evaluate service providers using a structured methodology that combines:
- In-depth client interviews and ratings
- Comprehensive project details
- Market presence
- Portfolio examples and industry recognition
This data powers tools like the Leaders Matrix, which helps you compare agencies directly. Our research team curates rankings by weighing verified reviews most heavily, so the most trusted and experienced providers rise to the top.
Using this unique combination of verified client feedback and provider-supplied insights, Clutch distills the most important details into clear, digestible summaries so you have everything you need to make confident, informed decisions quickly.
We take fraud seriously. Providers who violate our guidelines may face lower rankings, restricted visibility, or removal from the platform altogether.
Clutch’s commitment to transparency is ongoing. We’re constantly refining our systems to protect the integrity of reviews and support you in finding the right agency.
List of the Top 15 Legacy Modernization Services
-
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
38.5/40.019.4/20 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 / 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 -
$50,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35/40.017/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
34.2/40.018.6/20 Reviews9.8/10 Clients & Experience5.7/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Enterprise App Modernization90% 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 -
$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
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
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 - 9,999Atlanta, GA
Ability to deliver
37.3/40.017.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
39.1/40.019.6/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.9/40.019/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
36.8/40.017.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
36.8/40.016.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$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+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
36/40.016.6/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% 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 -
$25,000+$25 - $49 / hr250 - 999Lakeville, MN
Ability to deliver
37/40.017.2/20 Reviews9.9/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$150 - $199 / hr50 - 249Montréal, Canada
Ability to deliver
37.5/40.017.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
35.3/40.016.8/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$25 - $49 / hr50 - 249Warszawa, Poland
Ability to deliver
38.3/40.019.2/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
33.3/40.016/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$50 - $99 / hr50 - 249Prague, Czech Republic
Ability to deliver
39.2/40.020/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$25 - $49 / hr50 - 249Portland, OR
Ability to deliver
35.1/40.016.8/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
36.5/40.016.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$100 - $149 / hr50 - 249Belfast, Northern Ireland
Ability to deliver
37/40.017.2/20 Reviews10/10 Clients & Experience9.8/10 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.