Top Application Modernization Services
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$5,000+$50 - $99 / hr50 - 249Toruń, Poland
Services provided
See all 5 projectsecom.software is a technology solutions provider specializing in digital transformation and IT infrastructure for the insurance industry. The company consistently receives high praise, with 100% of reviewers highlighting its adept project management and timely delivery. Notably, 80% of reviews commend their insurance industry expertise and agile project approach, emphasizing their role as a reliable partner for technological advancements.
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$25,000+$25 - $49 / hr50 - 249Ahmedabad, India
Services provided
See all 1 projectsIncubyte Consulting LLP is a consulting firm that specializes in providing UX design and development solutions for financial service-based systems. The reviews highlight their expertise in software craftsmanship and their commitment to efficient project management, with 100% positive feedback focusing on their collaborative approach, direct communication, and high standards of quality.
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$50,000+$25 - $49 / hr250 - 999Quito, Ecuador
Services provided
See all 2 projectsKruger Corporation is a digital services company specializing in sustainability, cloud services, and software solutions. Approximately 50% of reviewers cite a strong alignment with client values as a key strength. However, some areas for improvement include project management and communication, as noted by one reviewer. Despite these challenges, their flexibility and commitment are consistently praised.
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$10,000+$25 - $49 / hr50 - 249Pune, India
Services provided
See all 20 projectsWishtree Technologies is a versatile technology company specializing in web development, mobile app development, and digital transformation services. With a reputation for responsiveness, creativity, and delivering high-quality products, they receive overwhelmingly positive feedback from clients. Approximately 90% of reviewers praise their project management and communication skills, highlighting their ability to understand client needs and deliver on time.
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$10,000+$50 - $99 / hr10 - 49Kraków, Poland
Services provided
See all 8 projectsSKM Group is a versatile technology solutions provider specializing in web development, e-commerce, and ERP systems. Over 80% of reviewers highlight their professionalism, responsiveness, and high-quality work, with a notable emphasis on their commitment to understanding client needs. SKM Group's flexible and customer-focused approach is consistently praised, with no significant areas for improvement reported by clients.
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$10,000+$50 - $99 / hr50 - 249
Services provided
See all 5 projectsArmada Labs is a versatile software development company specializing in creating tailored software solutions and platforms across various industries, including finance, BPO, and oil and gas. The company receives overwhelmingly positive feedback, with clients praising its flexibility, communication, and industry expertise, as noted by 100% of reviewers. While some mention past project delays, recent reviews highlight improved delivery times and robust project management.
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$25,000+$25 - $49 / hr10 - 49
Services provided
See all 16 projectsOSSystem is a company specializing in Enterprise Application Modernization, providing backend and frontend support for digital systems transformation. Reviewers praise their excellent project management, timely delivery, and effective communication, with 100% positive feedback highlighting their value alignment and leadership. Their projects significantly impact client decision-making, as evidenced by a central data visualization app created for Psivant Therapeutics.
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$10,000+Undisclosed50 - 249
Services provided
See all 6 projectsAstec is a versatile software development company offering IT development services, specializing in cloud-based solutions, Java, JavaScript, and Python. The company consistently receives positive feedback, with approximately 90% of reviewers praising their technical expertise, professionalism, and flexibility. Clients highlight their excellent project management and communication skills, often resulting in successful project completions and high customer satisfaction.
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$75,000+$25 - $49 / hr50 - 249Rio de Janeiro, Brazil
Services provided
See all 1 projectsiBlue Consulting is a digital product development firm specializing in creating user-friendly insurance platforms, including mobile, residential, and health insurance solutions. Overall feedback is overwhelmingly positive, with 100% of reviewers highlighting their timely delivery and professional project management. Notably, 100% of reviewers emphasized their impressive agility and alignment with company values.
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$25,000+Undisclosed50 - 249Seattle, WA
Services provided
See all 1 projectsBlink UX is a user experience and interface design company that excels in conducting comprehensive usability and UX/UI research. Reviews indicate a strong focus on understanding client needs through stakeholder interviews, leading to a strategic approach in website design. With an impressive track record, including a 26% increase in new users for YMCA of Greater Seattle, Blink UX is praised for its project management and responsiveness, ensuring client satisfaction and seamless collaboration.
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$25,000+$25 - $49 / hr10 - 49Fort Lauderdale, FL
Services provided
See all 6 projectsProtos Technology LLC is a versatile technology solutions provider specializing in web development, mobile applications, and digital marketing integration. Across all reviews, clients consistently praised their commitment to understanding client needs, delivering on promises, and fostering strong communication, with 100% positive feedback on their project execution and customer service. Notably, about 40% of reviewers highlighted the company's cultural alignment and proactive solution offering as key strengths.
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$50,000+$25 - $49 / hr10 - 49Ternopil, Ukraine
Services provided
See all 11 projectsUplab Software is a versatile software development company specializing in mobile and web applications, CRM systems, and complex enterprise solutions. They are distinguished by their proactive approach, strong project management capabilities, and ability to integrate cutting-edge technologies. Reviews indicate a high level of satisfaction, with approximately 90% of clients praising their innovation, engagement, and timely delivery.
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$10,000+< $25 / hr50 - 249Valsad, India
Services provided
See all 20 projectsIT IDOL Technologies is an IT services and consulting firm specializing in software development and technology consulting, offering services such as staff augmentation, web development, and custom software solutions. Across their reviews, 100% of clients commend their timely delivery, effective communication, and professionalism. Notably, 70% of clients highlight the company's cultural fit and value for cost, with no significant areas for improvement identified.
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$25,000+$50 - $99 / hr10 - 49Yerevan, Armenia
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See all 1 projectsThe Project Drivers is a web development company that specializes in website redesign and launch services. They are praised for their dedication and professionalism, with 100% of reviewers highlighting their commitment to meeting project goals, even working late to resolve timing issues. The team is noted for transparency and strong communication, making them a reliable partner.
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$50,000+$100 - $149 / hr10,000+Austin, TX
Services provided
See all 3 projectsSoftServe is a versatile IT consulting and development company specializing in custom software solutions, healthcare innovations, and Internet of Things (IoT) technologies. With consistently high-quality service and technical expertise, SoftServe is praised for its innovative, human-centric approach, strong organizational infrastructure, and excellent project management. Approximately 90% of the feedback highlights their knowledgeable teams and the positive impact of their work, with a minor suggestion for more comprehensive retrospectives.
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$10,000+$50 - $99 / hr250 - 999Vilnius, Lithuania
Services provided
See all 8 projectsBaltic Amadeus is a versatile software development company offering services such as custom software development, penetration testing, and design work. The company is highly regarded for its professional service, timely delivery, and client-oriented approach. Approximately 100% of the reviews praise their project management and expertise, with clients highlighting their ability to align with business needs and deliver solutions efficiently.
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$50,000+$200 - $300 / hr10 - 49Portsmouth, NH
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See all 9 projectsProximity Lab is a product strategy company specializing in Enterprise Application Modernization, offering services such as technology stack evaluation and platform modernization. Reviews highlight their exceptional project management and strategic insights, with 100% positive feedback on their high-quality, research-driven work and commitment to innovation, although a few suggest a need for faster iterations.
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$10,000+$50 - $99 / hr50 - 249Wrocław, Poland
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See all 13 projectsFINGO Software House specializes in Enterprise Application Modernization, assisting clients with projects such as legacy system migration and cloud integration. Clients praise their dedication and reliable project management, with 100% of reviews highlighting their thoroughness and commitment to delivering quality solutions. Their services consistently enhance development operations and streamline digital systems transformation.
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$25,000+$150 - $199 / hr50 - 249Québec, Canada
Services provided
See all 1 projectsINGENO is a web development company specializing in creating efficient and user-friendly web systems. Based on reviews, their clients appreciate their partnership approach, dedication, and round-the-clock support, with 100% positive feedback emphasizing their commitment to understanding and achieving project goals. While a few noted the need for smoother transitions when changing project managers, the overall feedback is overwhelmingly positive, highlighting their agility and effectiveness in delivering solutions.
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$25,000+$50 - $99 / hr50 - 249Amman, Jordan
Services provided
See all 4 projectsSitech is a versatile technology company offering cloud infrastructure solutions, SaaS development, and fintech platform creation. The company consistently receives positive feedback for its technical expertise, adaptability, and proactive communication. Approximately 100% of reviews highlight their effective project management and dedication to client success, with no notable areas for improvement mentioned.
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$5,000+$100 - $149 / hr10 - 49New York, NY
Services provided
See all 5 projectsNIFTIT is a SharePoint development company offering advanced intranet and digital transformation solutions for diverse clients, including nonprofits and global enterprises. Reviewers consistently praise their ability to tailor solutions to specific needs, with 100% highlighting their responsiveness and adaptability. Notably, 80% commend NIFTIT's cost-effectiveness and project management skills, emphasizing their capacity to deliver under budget while maintaining high standards of service and communication.
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$5,000+< $25 / hr50 - 249Kolkata, India
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See all 46 projectsTechno Exponent, a company specializing in Enterprise Application Modernization, is highly regarded for its effective modernization of legacy systems, improving efficiency and scalability. The reviews are overwhelmingly positive, emphasizing their excellent project management and proactive approach, with 100% of reviewers noting improvements in system performance and user experience.
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$50,000+$50 - $99 / hr250 - 999Kraków, Poland
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See all 4 projectsj-labs software specialists is a versatile software development company offering services in Java, Angular, AWS Cloud, and more. Their clients commend the high-quality of deliverables and professionalism, with an emphasis on effective communication and integration into client teams. Approximately 90% of reviewers highlight their adaptability and dedication, contributing to long-term client satisfaction and ongoing engagements.
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$10,000+$50 - $99 / hr10 - 49Surrey, Canada
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See all 4 projectsOrange Oranges Technologies Ltd is a versatile digital agency specializing in website development, social media management, and online business solutions. Reviews highlight an impressive 100% positive feedback, emphasizing their effective communication, client-centric approach, and cost-effectiveness. Clients particularly appreciate their customization, responsiveness, and ability to enhance online presence through tailored solutions and strategic consultations.
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UndisclosedUndisclosed50 - 249Peabody, MA
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See all 8 projectsGraVoc is a multifaceted technology solutions provider specializing in IT management, web design, database development, and PCI compliance. The reviews indicate that 100% of clients report timely delivery and exceptional project management, highlighting GraVoc's strong communication and responsiveness. Clients appreciate GraVoc's ability to understand and adapt to their unique needs, with 83% noting their professionalism and reliability.
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Undisclosed$25 - $49 / hr50 - 249Zagreb, Croatia
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See all 13 projectsSerengeti is a versatile software development company specializing in staff augmentation, custom software development, and IT solutions. Reviews reflect high client satisfaction, with a focus on their competence in providing skilled developers and impressive response times. Over 90% of clients highlight their professionalism and integration capabilities, while some suggest further adoption of agile methodologies. Serengeti maintains a strong partnership with diverse sectors, delivering quality work and demonstrating flexibility in client engagement.
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$5,000+$50 - $99 / hr50 - 249Łódź, Poland
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See all 9 projectsInwedo is a software development company specializing in creating bespoke solutions, including web and mobile applications, particularly in the .NET and Angular frameworks. Overall, 100% of reviewers express satisfaction with their work, highlighting their strong project management, flexibility, and alignment with client needs. Approximately 67% of reviews commend Inwedo for their rapid response and proactive approach, while 33% emphasize their collaborative and values-driven ethos.
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UndisclosedUndisclosed50 - 249Norfolk, VA
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See all 2 projectsMartianCraft is a software development company specializing in app design and development, particularly for iOS and Android platforms. Reviews indicate a strong reputation for responsiveness, expertise in coding, and adherence to project timelines. Notably, 100% of reviewers praised their alignment with company values and strategic insights, with no areas for improvement highlighted by clients.
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Undisclosed$150 - $199 / hr50 - 249Austin, TX
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See all 2 projectsHeadspring is a software development company specializing in modernizing legacy systems and developing web-based platforms and enterprise solutions. Their reviews highlight a nearly unanimous positive sentiment, emphasizing exceptional project management, effective communication, and strong alignment with client goals. Approximately 100% of reviewers commend their professionalism and dedication, with no significant areas of improvement noted.
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$10,000+$25 - $49 / hr10 - 49Centurion, South Africa
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See all 1 projectsTypeDev.io is a development company specializing in building web applications, web widgets, and mobile apps. The overall feedback is overwhelmingly positive, with 100% of reviewers praising their timely delivery, excellent communication, and ability to expand their team while maintaining talent. The company is also recognized for offering good value for cost.
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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.