Top Application Modernization Services
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$10,000+$50 - $99 / hr10 - 49Shimizu, Japan
Services provided
See all 4 projectsmaeBe co., Ltd is a technology solutions provider, known for its expertise in developing web and mobile applications. The company has garnered positive feedback, with reviewers praising their technical skills, efficient communication, and ability to deliver projects on time. Approximately 100% of reviewers highlighted the company's reliability and innovative solutions, indicating a strong reputation for client satisfaction and effective project execution.
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$10,000+Undisclosed50 - 249Lemesos, Cyprus
Services provided
See all 5 projectsCallCTO is a FinTech solutions provider known for its expertise in developing secure, scalable financial platforms. With a 100% positive feedback rate, clients consistently praise their agile project management, extensive industry knowledge, and commitment to understanding client needs. Their ability to improve operational efficiency and customer satisfaction through innovative solutions is frequently highlighted across reviews.
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$10,000+$25 - $49 / hr10 - 49Cluj-Napoca, Romania
Services provided
See all 7 projectsMoldoWEB is a versatile software development company offering services in web development, app development, and digital consulting. Reviews highlight their technical expertise, reliability, and excellent communication. Impressively, 100% of the reviewers commend their high-quality deliverables and problem-solving capabilities, with no suggestions for improvement, indicating a strong client satisfaction across various projects.
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$5,000+$25 - $49 / hr10 - 49L'viv, Ukraine
Services provided
See all 6 projects5Hz is a web development company praised for its comprehensive services, including website development, UX/UI design, and CRM system integration. The company consistently receives positive feedback, with 100% of reviewers noting their timely delivery and effective communication. Clients appreciate their expertise, proactive approach, and value for cost, highlighting projects that met core business objectives and facilitated significant growth and customer engagement.
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$50,000+$150 - $199 / hr1,000 - 9,999Irvine, CA
Services provided
See all 3 projectsSynoptek, an IT consulting and managed services provider, has received positive feedback for its expertise in implementing Microsoft Dynamics and providing technical consulting. Reviewers, representing 100% positive sentiment, commend Synoptek's project management, responsiveness, and cost-effectiveness. Clients appreciate their ability to meet deadlines and understand business needs, though some suggest more detailed status reports.
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$10,000+$25 - $49 / hr10 - 49Pimpri-Chinchwad, India
Services provided
See all 15 projectsInceptive Technologies is a versatile software development company, offering services such as app development, web development, and enterprise software solutions. The company is highly regarded for its excellent project management, timely delivery, and effective communication, with 100% of reviewers noting their professionalism and responsiveness. Clients frequently commend their ability to seamlessly integrate with internal teams and adapt to client needs, with no negative feedback reported.
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$1,000+$25 - $49 / hr2 - 9Tallinn, Estonia
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See all 12 projectsStreet 17 is a versatile web development and digital solutions company renowned for its ability to enhance user experience and design innovative platforms. Reviews indicate a consistent theme of positive client feedback, with approximately 100% of clients praising their professionalism, responsiveness, and alignment with company values. Clients highlight their expertise in project management, with numerous accounts of timely delivery and proactive communication, underscoring their commitment to quality and client satisfaction.
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$50,000+$100 - $149 / hr10 - 49Jenison, MI
Services provided
See all 1 projectsTrailhead Technology Partners is a technology service provider specializing in web-based architecture overhauls, portal development, and e-commerce solutions. The company receives overwhelmingly positive feedback, with 100% of reviewers praising their commitment and project management. Notably, they transformed Montage Furniture Services into a technological leader, achieving significant operational improvements and financial savings.
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$10,000+$25 - $49 / hr250 - 999Warszawa, Poland
Services provided
See all 15 projectsAzati Software is a versatile IT company specializing in custom software development, AI solutions, and UI/UX design. They consistently receive positive feedback, with approximately 85% of reviewers praising their commitment to quality, effective communication, and timely delivery. Clients appreciate Azati's ability to integrate seamlessly with existing teams and provide tailored, innovative solutions that meet specific business needs.
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$1,000+Undisclosed50 - 249Dhaka, Bangladesh
Services provided
See all 2 projectsGenesys Softwares LLC is a versatile software development company specializing in UX/UI design, full-stack development, and automation solutions. The company received overwhelmingly positive feedback, with 100% of reviewers appreciating their responsiveness, skill sets, and ability to fulfill complex project requirements. Clients commend their effective communication and adaptability, fostering trusted partnerships.
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$50,000+Undisclosed1,000 - 9,999Cluj-Napoca, Romania
Services provided
See all 2 projectsAccesa is a custom software development firm specializing in creating bespoke business applications, with expertise in Java development, SAP SuccessFactors, Microsoft SharePoint, and more. Clients highlight Accesa's professional approach and deep understanding of client needs, with 100% of reviewers expressing satisfaction and noting efficient project management and strong client relationships. Some suggest improving recruitment to expand their talented team.
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$10,000+$25 - $49 / hr50 - 249Chennai, India
Services provided
See all 9 projectsVGTS Tech Company is a versatile IT solutions provider, specializing in web and mobile application development, AI-driven automation systems, and UI/UX design. Their clients frequently praise their ability to deliver projects on time and within budget, with 100% of reviews noting their professionalism and responsiveness. Reviewers also highlight VGTS Tech Company's strong project management and commitment to understanding client needs, making them a highly recommended partner.
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$10,000+$25 - $49 / hr50 - 249Bogotá, Colombia
Services provided
See all 2 projectsITSense Inc is a custom software development firm specializing in digital marketing strategy and technology consulting. Reviews highlight a strong customer-oriented approach with 100% on-time delivery and impressive incident resolution. Clients commend the firm's deep digital sector knowledge and value generation, though some suggest improving post-production support.
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$10,000+$25 - $49 / hr10 - 49Mumbai, India
Services provided
See all 6 projectsApril Innovations is a mobile app development company known for delivering high-quality, timely solutions across various industries. They have a reputation for strong project management, as evidenced by their consistent on-time delivery and positive feedback from 100% of reviewers. Several clients highlighted their market expertise and communication skills, though some suggested improvements in design aspects.
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$10,000+$25 - $49 / hr10 - 49L'viv, Ukraine
Services provided
See all 6 projectsRocket Harbor is a technology solutions company specializing in custom software development, including DevOps, web, iOS, and Android development, along with UX/UI design and API solutions. Consistently praised for their professionalism, adaptability, and expertise, 100% of reviews highlight their reliability in meeting deadlines and budgets. Clients appreciate their effective communication and ability to deliver high-quality results, with no significant areas for improvement noted.
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$25,000+$50 - $99 / hr50 - 249Toronto, Canada
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See all 11 projectsDedicatted offers services including consulting on AWS services, access management, and CI/CD solutions, often within the context of Enterprise App Modernization. Reviews highlight their responsiveness, knowledge, and effective project management. Clients appreciate their ability to deliver working deliverables and adapt workflows efficiently, indicating a strong capacity for IT modernization and digital transformation projects.
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$5,000+$25 - $49 / hr10 - 49
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See all 2 projectsNetForemost, Inc is a development company specializing in app and software development. The company receives predominantly positive feedback, with approximately 90% of reviewers praising their innovative capabilities and commitment to project success. Clients commend the team's dedication, honesty, and ability to exceed expectations, though there is some mention of potential improvements in velocity prediction.
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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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$10,000+Undisclosed10 - 49Oak Park, IL
Services provided
See all 5 projectsUptic IO LLC is a software modernization company specializing in enterprise application modernization, excelling in both frontend refactors and backend rewrites. All reviewers positively highlight their excellent project management and communication skills, with no areas for improvement noted. They are a reliable partner, delivering projects within tight deadlines while maintaining high standards.
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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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$10,000+$150 - $199 / hr10 - 49Lake Oswego, OR
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See all 6 projectsSteelhead Software is a company specializing in Enterprise Application Modernization, particularly in software platform update services. They receive overwhelmingly positive feedback, with clients highlighting their transparency, collaborative approach, and ability to meet tight timelines and budgets. Impressively, Steelhead Software’s project management fosters continuous communication, ensuring client satisfaction and seamless digital systems transformation.
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$10,000+$200 - $300 / hr50 - 249New York, NY
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See all 2 projectsZertain is an IT consulting firm specializing in CRM development, low-code solutions, and technical support across various platforms, including PHP, WordPress, and Power BI. Reviews highlight their excellent communication and responsiveness, with 100% of clients appreciating their problem-solving and adaptability. Clients consistently report satisfaction with their project outcomes and commend Zertain for their efficient project management and alignment with client values.
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$10,000+$100 - $149 / hr2 - 9Denver, CO
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See all 1 projectsForbina Consulting, LLC is an IT consulting firm specializing in Microsoft platform technologies and application development. Their clients consistently praise their skilled resources, excellent communication, and ability to deliver quality work on time. With 100% positive feedback, clients highlight their expertise and cultural alignment as key strengths, with no areas identified for improvement.
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$100,000+Undisclosed10 - 49McLean, VA
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See all 3 projectsLGNDX | The Product Innovation Studio is a prominent company specializing in UI/UX design, rapid prototyping, and custom software development for federal and government clients. Across reviews, they are praised for exceeding expectations, with no negative feedback reported. Their rigorous discovery process and strategic approach to product development have been highlighted by 100% of reviewers, emphasizing their commitment to delivering high-quality, user-centered solutions efficiently.
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$10,000+$200 - $300 / hr10 - 49Reston, VA
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See all 2 projectsLean Innovation Labs is a company specializing in developing AI infrastructure and security solutions. Based on reviews, clients appreciate their alignment with company values and thoughtful design process. A significant 100% of reviewers mention their impressive project management and timely delivery, with no areas for improvement noted.
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$50,000+$50 - $99 / hr10 - 49Sarasota, FL
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See all 1 projectsutilasoft is a software development company specializing in creating digital solutions such as custom apps for project management. Overall, the reviews are overwhelmingly positive, with clients praising utilasoft's responsiveness, effective communication, and cost-effectiveness due to their offshore team. Approximately 100% of reviewers are satisfied with their project outcomes and value their focus on maintaining core objectives.
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$10,000+Undisclosed2 - 9Houston, TX
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See all 1 projectsCrrraw Holdings LLC is a development company specializing in mobile app and backend solutions. According to the reviews, 100% of the feedback is positive, highlighting their excellent project management, fast responsiveness, and strong alignment with client values. Clients particularly appreciate their dedication to customer satisfaction and the seamless member experience they deliver.
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$100,000+$150 - $199 / hr1,000 - 9,999
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StatusNeo is an IT strategy consulting company headquartered in Dallas, Texas and Palo Alto, California. Founded in 2020, the team provides IT strategy consulting and Artificial Intelligence.
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$10,000+$25 - $49 / hr50 - 249Melbourne, Australia
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Founded in 2006, RailsFactory is a software development company. The team provides Custom Software Development and IT staff augmentation and is in Melbourne, Australia and Sunnyvale, California.
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$10,000+$50 - $99 / hr50 - 249São Paulo, Brazil
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Codeminer42, an IT staff augmentation company, is in São Paulo, Brazil. They specialize in IT staff augmentation and Web Development and were founded in 2011.
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List of the Top 15 Legacy Modernization Services
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$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 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
35.4/40.015.8/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$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 -
$50,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35/40.017/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
45% Enterprise App Modernization55% 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 - 9,999Atlanta, 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.