Top Application Modernization Services
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$50,000+$100 - $149 / hr10 - 49Philadelphia, PA
Services provided
See all 9 projectsOpenForge is a mobile app development firm specializing in hybrid app development using the Ionic Framework. Notable themes across their reviews include a strong commitment to quality, exceptional project management, and responsive communication. Clients report satisfaction with their projects, with over 90% expressing contentment with the results. OpenForge's expertise in capturing client visions and exceeding expectations is frequently highlighted, making them a reliable partner for mobile app solutions.
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$10,000+$25 - $49 / hr50 - 249Ahmedabad, India
Services provided
See all 5 projectsViitorCloud Technologies Pvt. Ltd. is a versatile technology service provider specializing in custom software development, web development, and digital branding. Across their reviews, 100% of clients commend their professionalism, responsiveness, and ability to meet deadlines. A notable 80% appreciate the team's adaptability and willingness to address feedback, while a few suggest improvements in proactive communication and multilingual support.
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$25,000+$25 - $49 / hr10 - 49Chicago, IL
Services provided
See all 9 projectsTwinCore offers services such as web-based software development, design, support, and enhancement, with a strong focus on Application Modernization and IT Modernization. Feedback consistently highlights their on-time, on-budget delivery, exemplary service, and impressive knowledge and experience, making them a reliable partner for digital transformation projects.
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$5,000+$25 - $49 / hr10 - 49Ho Chi Minh City, Vietnam
Services provided
See all 12 projectsSosene Software is a versatile software development company specializing in custom software solutions, including school and e-commerce management systems. Their reviews highlight a strong customer-centric culture, with 100% of reviews mentioning their exceptional project management and customer satisfaction. Clients appreciate their professionalism, proactive communication, and ability to deliver projects on time while maintaining high-quality standards.
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$1,000+$100 - $149 / hr2 - 9Memphis, TN
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See all 1 projectsWintellisys, Inc. is an IT infrastructure management company specializing in cloud services and managed IT solutions. They have consistently delivered dependable, enterprise-class services, with 100% of reviewers highlighting their ability to manage Microsoft products effectively and support business growth without workflow interruptions. Clients appreciate their tailored solutions and accessibility, although some suggest potential benefits from company expansion.
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$1,000+< $25 / hr10 - 49
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See all 2 projectsFlaminTech LLP is a web and application development company specializing in custom eCommerce solutions. Their client feedback is overwhelmingly positive, with reviewers appreciating their timely delivery and user-friendly UI. Notably, 100% of reviewers mentioned the outstanding quality of their deliverables, highlighting a commitment to excellence and customer satisfaction.
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$10,000+$25 - $49 / hr10 - 49Ahmedabad, India
Services provided
See all 10 projectsLogicbric is a versatile software development company specializing in mobile app development and API integration. Reviews indicate a high level of client satisfaction, with 100% positive feedback highlighting their adaptability, cost-effectiveness, and technical expertise. Many clients (80%) commend Logicbric for delivering projects on time and enhancing operational efficiency through innovative solutions tailored to specific business needs.
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$5,000+$25 - $49 / hr50 - 249The Woodlands, TX
Services provided
See all 5 projectsWebCreek is a versatile software development company offering services in branding, web presence, mobile apps, and cloud-based solutions. The reviews reflect a strong focus on quality, effective project management, and customer satisfaction, with an impressive 100% positive feedback rate. Clients frequently commend their ability to meet deadlines and their consultative approach, indicating a high level of client trust and reliability.
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$5,000+< $25 / hr50 - 249Ahmedabad, India
Services provided
See all 8 projectsPanth Softech is a versatile development company specializing in CRM solutions, backend design, and custom development projects, as reflected in their reviews. Positive feedback constitutes approximately 90%, highlighting their strong communication, professional workflow, and problem-solving skills. Several reviewers (around 60%) commend their ability to handle complex integration tasks. Some areas for improvement include quality control and communication clarity.
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$10,000+$25 - $49 / hr50 - 249
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See all 4 projectsErbis is a full-stack development company specializing in cloud services, offering business analysis, database automatization, and application development across various platforms. The feedback overwhelmingly highlights their technical expertise and strong project management, with approximately 90% of reviews praising their ability to meet deadlines and provide valuable improvements. Erbis is noted for its proactive communication and partnership approach, with around 80% of reviews emphasizing their collaborative nature and adaptability.
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UndisclosedUndisclosed50 - 249Mississauga, Canada
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See all 1 projectsVeriday is a digital solutions company specializing in website development and DevOps services. Reviews highlight their adaptability, expertise, and effective communication, with 100% of feedback mentioning their commitment to project milestones and cost performance. Their ability to align with client goals and deliver value makes them a favored choice among clients.
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UndisclosedUndisclosed50 - 249Cockeysville, MD
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See all 1 projectsRDA is a web development company specializing in Sitecore CMS, offering comprehensive website development services. With a strong focus on project management and client communication, RDA is praised for their professionalism, expertise, and ability to deliver projects smoothly and on schedule. 100% of the feedback highlights the company's exceptional understanding of Sitecore and their ability to meet project needs effectively.
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$10,000+$25 - $49 / hr10 - 49București, Romania
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See all 1 projectsDevsReady is a technology consultancy specializing in delivering secure and scalable digital banking platforms for corporate clients. The company received overwhelmingly positive feedback, with reviewers praising their strong project management, effective communication, and technical expertise. Approximately 90% of comments highlighted their practical, business-oriented approach and alignment with client values, with no significant areas for improvement noted.
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$10,000+Undisclosed50 - 249Sydney, Australia
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See all 1 projectsTeam 400 AI is a software development company specializing in building cross-platform applications using Xamarin architecture. Reviews highlight their strong project management, flexibility, and comprehensive skillset, with 100% of the feedback being positive. Clients appreciate their ability to incorporate customer feedback and deliver functional solutions that enhance growth potential.
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$5,000+< $25 / hr10 - 49Kolkata, India
Services provided
See all 6 projectsBlue Copper Technologies Pvt Ltd is a custom software development company specializing in mobile app development, web applications, and software solutions for various industries. Their reviews reveal a strong focus on project management, communication, and timely delivery, with 100% of clients praising their organizational skills and ability to meet deadlines. While some clients note a need for improved industry-specific understanding, overall satisfaction with their services is high, reflecting their commitment to quality and client success.
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$5,000+$50 - $99 / hr10 - 49
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See all 1 projectsJazzTeam LLC is a software development company praised for their expertise in developing custom web applications that optimize business processes. They boast a 100% positive feedback rate, with clients commending their professionalism, effective communication, and adherence to Agile methodologies. Reviewers consistently highlight their ability to deliver projects on time and meet deadlines efficiently.
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$10,000+$25 - $49 / hr10 - 49
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See all 2 projectsBlare Technologies Sp. z o.o. is a technology company specializing in software development and 3D solutions, including digital twins and XR software. Their reviews reflect a 100% positive sentiment, highlighting their project management skills, timely delivery, and advisory role. Clients commend their expertise, commitment, and ability to provide high-quality, innovative solutions tailored to specific industry needs.
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$25,000+$50 - $99 / hr10 - 49Niš, Serbia
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See all 14 projectsBoopro Technology is a versatile software development company specializing in web and mobile app development, with a strong focus on delivering high-quality solutions tailored to client needs. The company consistently receives positive feedback, with over 90% of reviews highlighting their proactive approach, professionalism, and ability to meet deadlines. Clients frequently commend Boopro Technology for their excellent communication, flexibility, and alignment with company values, as noted by 80% of reviewers.
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$50,000+$50 - $99 / hr50 - 249
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See all 1 projectsSemantive is a software development company specializing in creating custom tools and solutions, particularly using Python technology. The company received overwhelmingly positive feedback, with 100% of reviewers highlighting their proactivity, efficiency, and effective project management. Clients commend Semantive for their ability to deliver high-quality results promptly, significantly enhancing operational efficiencies for their partners.
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Undisclosed$50 - $99 / hr2 - 9
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See all 1 projectsUbisource is a talent acquisition company renowned for providing nearshore sourcing solutions and aligning candidates with cultural and business needs. They consistently deliver high-quality resources promptly, with 100% of reviews highlighting their dependability and cultural alignment. Clients appreciate their thoroughness and minimal oversight requirements, with no areas identified for improvement.
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$5,000+$50 - $99 / hr10 - 49Santa Fe de la Vera Cruz, Argentina
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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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$10,000+$25 - $49 / hr10 - 49Warszawa, Poland
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See all 4 projectsDevOpsi is a versatile IT solutions provider specializing in DevOps, cloud infrastructure, and custom software development. The company receives overwhelmingly positive feedback, with over 90% of clients praising their technical expertise, commitment to project timelines, and resourceful approach. Though some noted communication challenges, most clients highlight DevOpsi's ability to adapt to changing requirements and their dedication to delivering high-quality results within budget constraints.
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$10,000+$100 - $149 / hr2 - 9
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See all 3 projectsLD Studios is a versatile technology development company specializing in customized database solutions and end-to-end management systems. Reviewers commend their technical expertise and responsiveness, with approximately 100% of feedback being positive. Clients appreciate the clean code, effective project management, and the value-added services they provide, including pro bono work for non-profits, with 33% of reviews highlighting their engagement and understanding of client needs.
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$25,000+$150 - $199 / hr10 - 49Schaumburg, IL
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See all 6 projectsCaptivix is a versatile software development company specializing in web application development, ERP solutions, and platform integration. Across their reviews, 100% of clients praised their technical expertise, effective communication, and timely project delivery. Clients consistently highlighted Captivix's ability to exceed expectations and their strong project management skills, with no significant areas for improvement identified.
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$10,000+$25 - $49 / hr50 - 249New Delhi, India
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See all 5 projectsNablasol is a custom software development company known for providing tailored solutions such as integrations and automation tools. Across their reviews, they receive positive feedback for responsiveness and team cohesion, with approximately 100% of reviewers appreciating their alignment with company values and cultural fit. However, some noted minor project delays and initial resource allocation challenges.
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$25,000+$50 - $99 / hr10 - 49Riverwoods, IL
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See all 12 projectsInsyte Consultancy Services is a mobile app development firm that excels in creating customized iOS and Android applications across various industries. The majority of reviews highlight their technical expertise, collaborative approach, and project management skills, with about 90% of clients expressing satisfaction with the quality and functionality of the end products. However, some clients noted that project timelines occasionally exceeded expectations.
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$1,000+$25 - $49 / hr50 - 249Shimla, India
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See all 5 projectsSummerhill Technologies specializes in Enterprise Application Modernization, focusing on modernizing and scaling platform architectures. The company is praised for its professional approach, strong project management, and effective communication, with 100% of reviewers highlighting their detail-oriented nature and ability to deliver practical solutions on time. Their collaborative approach is noted for seamlessly integrating with client teams.
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$250,000+$150 - $199 / hr10 - 49Oklahoma City, OK
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See all 1 projectsPhase 2 is a software development company that specializes in creating mobile platforms, particularly for the oil industry. Their iOS app for in-field crude oil ticketing is used by approximately 800 oil industry members. All feedback is positive, highlighting excellent project management and ongoing support. The client noted Phase 2's value and recommended clear communication of project scope.
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$5,000+$25 - $49 / hr50 - 249Montevideo, Uruguay
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See all 8 projectsGeneXus Consulting is a technology and software development firm specializing in custom application and system solutions across various industries. Feedback from clients highlights their proficiency in project management and adaptability to client needs, with about 83% of reviews noting effective collaboration. While most testimonials are positive, 33% mention areas for improvement, such as communication and bug testing.
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$50,000+< $25 / hr50 - 249Kazhakkoottam, India
Services provided
See all 12 projectsXminds Infotech is a versatile software development company specializing in web and mobile app development, with services extending to custom software and cloud computing solutions. Across the reviews, 90% of clients commend their technical expertise, communication, and timeliness. However, some clients noted areas for improvement in quality assurance and transparency. Overall, Xminds is praised for their commitment to client needs and innovation.
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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
39.3/40.019.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
39.1/40.020/20 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 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 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 -
$10,000+$25 - $49 / hr1,000 - 9,999Southborough, MA
Ability to deliver
37.2/40.017.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr250 - 999Sacramento, CA
Ability to deliver
34.2/40.016.4/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
80% Enterprise App Modernization20% Other -
$25,000+$25 - $49 / hr250 - 999Jaipur, India
Ability to deliver
38/40.018.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
$25,000+$25 - $49 / hr50 - 249Agoura Hills, CA
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
39.9/40.020/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
33.8/40.018.2/20 Reviews9.8/10 Clients & Experience5.7/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$5,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
37.2/40.017.2/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249București, Romania
Ability to deliver
35.9/40.020/20 Reviews10/10 Clients & Experience5.9/10 Market PresenceService focus
35% Enterprise App Modernization65% 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 -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
38.7/40.019/20 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
36.6/40.016.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
Undisclosed$150 - $199 / hr250 - 999London, England
Ability to deliver
36.4/40.017.2/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.3/40.018.4/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% 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+$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 -
$25,000+$25 - $49 / hr250 - 999Kropyvnytskyi, Ukraine
Ability to deliver
38.9/40.019.2/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
35.8/40.016.4/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 -
Undisclosed$25 - $49 / hr250 - 999Toronto, Canada
Ability to deliver
37.1/40.017.2/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
39.6/40.019.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr50 - 249Houston, TX
Ability to deliver
39.6/40.020/20 Reviews10/10 Clients & Experience9.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35.6/40.017.6/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
Undisclosed$25 - $49 / hr250 - 999Beijing, China
Ability to deliver
36.8/40.020/20 Reviews7.2/10 Clients & Experience9.6/10 Market PresenceService focus
15% Enterprise App Modernization85% 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.