Top Application Modernization Services
-
Undisclosed$50 - $99 / hr2 - 9
Services provided
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.
-
$10,000+$50 - $99 / hr10 - 49Sacramento, CA
Services provided
See all 11 projectsPrestige Development Group is a recruitment firm specializing in sourcing technical and niche candidates for various industries, including software development and healthcare technologies. Reviews highlight their exceptional ability to meet tight deadlines and source qualified candidates, with over 90% of feedback praising their professionalism and effective communication. Additionally, 75% of clients appreciate their adaptability and understanding of specific company needs, contributing to successful project outcomes.
-
$5,000+$25 - $49 / hr10 - 49Chennai, India
Services provided
See all 8 projectsSiam Computing is a versatile web development company specializing in customized software solutions and development services. The reviews indicate a strong focus on project management, timely delivery, and client satisfaction, with approximately 80% of clients praising their communication and adaptability. Themes across the reviews highlight their strategic partnership capabilities and commitment to client needs, making them a reliable partner for diverse technological projects.
-
$1,000+$100 - $149 / hr2 - 9Memphis, TN
Services provided
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.
-
$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.
-
$25,000+$50 - $99 / hr50 - 249Nicosia, Cyprus
Services provided
See all 19 projectsAimprosoft is a versatile software development company, known for its expertise in providing scalable IT solutions such as data aggregation platforms, cloud-based applications, and embedded finance APIs. Approximately 90% of reviewers appreciate their high-quality deliverables, timely project management, and effective communication. Customers frequently highlight their impressive ability to quickly onboard qualified developers and the consistency in meeting project goals, even amid challenges like geopolitical instability.
-
$25,000+$25 - $49 / hr250 - 999Taipei, Taiwan
Services provided
See all 2 projectsTPIsoftware, operating under the brand ThinkPower, is a software design and development company recognized for providing tailored software solutions and consultancy services. Reviews indicate a strong emphasis on quality and timeliness, with 100% of reviewers praising their project management skills and technological expertise. However, some suggest improvements in regular project progress communication.
-
$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.
-
$5,000+$25 - $49 / hr50 - 249
Services provided
See all 11 projectsLambda Team is a versatile technology company specializing in web development, cloud solutions, and API creation. Reviews highlight their ability to deliver projects on time and within budget, with a focus on modern technologies and responsive communication. Approximately 90% of feedback is positive, with clients praising their technical expertise and adaptability. However, around 10% suggest improvements in initial project analysis and resource availability.
-
$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.
-
$5,000+$25 - $49 / hr50 - 249Bengaluru, India
Services provided
See all 7 projectsYellowchalk Design is a UI/UX design company known for delivering intuitive and aesthetically pleasing interfaces with a strong focus on user experience. Across their reviews, clients consistently commend their expertise, creativity, and responsiveness, with 100% of reviewers expressing satisfaction with their dedication and flexibility. Approximately 80% highlight the active involvement of founders, enhancing design creativity and visual finesse.
-
$10,000+$25 - $49 / hr10 - 49
Services provided
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.
-
$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.
-
$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.
-
$10,000+$25 - $49 / hr10 - 49Warszawa, Poland
Services provided
See all 6 projectsWhat the Flutter is a specialized mobile app development company focusing on Flutter technology. The company has consistently received positive reviews, with clients praising their technical expertise, responsive communication, and project management skills. Approximately 100% of the testimonials highlight their ability to meet deadlines and deliver high-quality solutions, showcasing their commitment to customer satisfaction and excellence in app performance and UI/UX enhancements.
-
$25,000+$50 - $99 / hr10 - 49
Services provided
See all 11 projectsIsidors. is a versatile design and development firm specializing in web development, branding, and UX design. Their reviews reflect a 100% positive feedback rate, with clients praising their punctuality, dedication, and exceptional communication. Approximately 75% of reviewers highlight the company's alignment with client values and energy invested in projects.
-
$5,000+$50 - $99 / hr10 - 49
Services provided
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.
-
$5,000+$50 - $99 / hr2 - 9Athina, Greece
Services provided
See all 3 projectsApptiva Software is a development company specializing in software solutions, cloud consulting, and automation services. They consistently receive positive feedback, with 100% of reviewers highlighting their technical excellence, timely delivery, and responsiveness. Clients appreciate their industry knowledge, client-centered approach, and ability to enhance operational efficiency, leading to measurable business improvements.
-
$10,000+Undisclosed10 - 49
Services provided
See all 13 projectsSitePen is a software modernization company specializing in Enterprise Application Modernization and IT Modernization solutions. Reviewers consistently praise SitePen for their professionalism, timely delivery, and effective communication, with 100% positive feedback highlighting their responsiveness and technical expertise. Clients appreciate the seamless collaboration and the value provided by SitePen's knowledgeable team.
-
$10,000+$25 - $49 / hr250 - 999New York, NY
Services provided
See all 4 projectsHexaview Technologies is a proficient IT services firm specializing in data engineering, analytics solutions, and mobile app development. The company consistently receives positive feedback, with over 90% of reviews highlighting their technical expertise, particularly in Microsoft Fabric. Clients commend Hexaview Technologies for their efficient project management, clear communication, and ability to deliver on schedule, while also appreciating their collaborative approach and focus on knowledge transfer.
-
$1,000+$25 - $49 / hr10 - 49Lungsod Quezon, Philippines
Services provided
See all 1 projectsDecode Technologies is a technology solutions company specializing in AI chatbot and CRM system development. Overall feedback highlights their efficiency and professionalism, with 100% of reviews noting their impact on operational efficiency and candidate experience. The company is praised for fast responses and timely delivery, with no areas for improvement mentioned.
-
$10,000+$25 - $49 / hr10 - 49Warszawa, Poland
Services provided
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.
-
$10,000+$100 - $149 / hr2 - 9
Services provided
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.
-
$25,000+$50 - $99 / hr50 - 249AAS, Argentina
Services provided
See all 9 projectsGlobal Task is a versatile software development company known for offering tailored IT solutions, from educational platforms to credit card control systems and blockchain integrations. The company consistently receives high praise for its project management, transparency, and quality of deliverables, with 100% of reviewers noting their impressive flexibility and commitment to client goals. Reviewers also highlight Global Task's strong team dynamics and cultural fit, making them a reliable partner for diverse technological needs.
-
$5,000+$50 - $99 / hr10 - 49Rosehill, Australia
Services provided
See all 1 projectsHokma Consulting and Technology Solutions is a tech consulting firm specializing in IT infrastructure, system integration, network optimization, and cybersecurity enhancements. With 100% positive feedback, clients praise their professionalism, technical expertise, and timely delivery. Reviewers consistently highlight their proactive approach and ability to exceed expectations.
-
$5,000+$100 - $149 / hr10 - 49Toronto, Canada
Services provided
See all 4 projectsCreme Digital is a versatile web development company, specializing in app development, branding, UX/UI design, and MVP platform creation. Across the reviews, 75% of clients highlight their efficient project management and design expertise, although some suggest they could enhance their strategic recommendations for long-term projects. Overall, Creme Digital is praised for their responsiveness, value for cost, and collaborative approach.
-
$10,000+$50 - $99 / hr50 - 249Lahore, Pakistan
Services provided
See all 7 projectsBearPlex is a software development and web design company highly praised for their innovative and responsive solutions across various industries. They consistently deliver projects on time, with over 95% of reviewers noting improved website performance and increased user engagement. While some suggest enhancing communication and documentation processes, BearPlex is lauded for its creativity, understanding of clients' needs, and effective project management.
-
$25,000+$25 - $49 / hr50 - 249Bengaluru, India
Services provided
See all 7 projectsFocaloid Technologies is a versatile software development company specializing in mobile app and web platform development. Reviews indicate a high level of customer satisfaction, with approximately 90% of feedback highlighting their professionalism, flexibility, and commitment to client success. Clients appreciate their transparent communication and cost-effectiveness, with multiple reviewers praising their ability to adapt to changing requirements and deliver innovative solutions.
-
$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.
-
$25,000+$25 - $49 / hr10 - 49Yerevan, Armenia
Services provided
See all 3 projectsCodeInno is a software development company specializing in creating customized digital solutions, including project management platforms and web applications. Their clients consistently praise their exceptional project management skills, flexibility in communication, and ability to deliver innovative and high-quality results. Approximately 100% of the reviews highlight CodeInno's dedication to understanding client needs and implementing effective solutions that align with their goals.
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 and their real-time quotes in minutes.
Get My QuotesWhy 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
-
$25,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
35.8/40.020/20 Reviews10/10 Clients & Experience5.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
37.8/40.020/20 Reviews10/10 Clients & Experience7.8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$100,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
34.7/40.019/20 Reviews10/10 Clients & Experience5.7/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$10,000+$25 - $49 / hr1,000 - 9,999Southborough, MA
Ability to deliver
32.1/40.016.6/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
34/40.018.8/20 Reviews10/10 Clients & Experience5.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr250 - 999Wrocław, Poland
Ability to deliver
31.6/40.015.8/20 Reviews10/10 Clients & Experience5.8/10 Market PresenceService focus
40% Enterprise App Modernization60% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
31.3/40.017.8/20 Reviews9.8/10 Clients & Experience3.7/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$10,000+$50 - $99 / hr250 - 999Sacramento, CA
Ability to deliver
30.8/40.016.4/20 Reviews10/10 Clients & Experience4.5/10 Market PresenceService focus
80% Enterprise App Modernization20% Other -
$5,000+< $25 / hr1,000 - 9,999
Ability to deliver
30.7/40.016.2/20 Reviews10/10 Clients & Experience4.5/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
30.5/40.015.2/20 Reviews8.8/10 Clients & Experience6.6/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$25,000+$25 - $49 / hr50 - 249Agoura Hills, CA
Ability to deliver
36.4/40.020/20 Reviews10/10 Clients & Experience6.4/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249București, Romania
Ability to deliver
33.3/40.019.6/20 Reviews10/10 Clients & Experience3.7/10 Market PresenceService focus
35% Enterprise App Modernization65% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
30.1/40.015.8/20 Reviews10/10 Clients & Experience4.3/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$10,000+$25 - $49 / hr250 - 999Beijing, China
Ability to deliver
35.4/40.019.6/20 Reviews9.1/10 Clients & Experience6.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
35.6/40.020/20 Reviews10/10 Clients & Experience5.6/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
33.5/40.017.2/20 Reviews9.8/10 Clients & Experience6.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$150 - $199 / hr10 - 49Littleton, CO
Ability to deliver
31.8/40.017.6/20 Reviews10/10 Clients & Experience4.2/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$1,000+< $25 / hr250 - 999Hanoi, Vietnam
Ability to deliver
34.8/40.017/20 Reviews9.7/10 Clients & Experience8/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$25,000+$150 - $199 / hr50 - 249Claymont, DE
Ability to deliver
33.3/40.016.6/20 Reviews10/10 Clients & Experience6.7/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
37.2/40.020/20 Reviews10/10 Clients & Experience7.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
Ability to deliver
35.2/40.019/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Atlanta, GA
Ability to deliver
32.3/40.016.8/20 Reviews10/10 Clients & Experience5.5/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
34/40.017.8/20 Reviews10/10 Clients & Experience6.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$5,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
31.6/40.016.6/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$100 - $149 / hr10 - 49Costa Mesa, CA
Ability to deliver
32.6/40.018.6/20 Reviews10/10 Clients & Experience4/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
31.5/40.017.2/20 Reviews10/10 Clients & Experience4.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr1,000 - 9,999São Paulo, Brazil
Ability to deliver
33.4/40.016.6/20 Reviews9.9/10 Clients & Experience7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
31.4/40.016.4/20 Reviews10/10 Clients & Experience5/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
28.2/40.016.2/20 Reviews7.8/10 Clients & Experience4.2/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr250 - 999Kropyvnytskyi, Ukraine
Ability to deliver
34.2/40.018.8/20 Reviews10/10 Clients & Experience5.4/10 Market PresenceService focus
10% Enterprise App Modernization90% 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.