Top Application Modernization Services
-
$5,000+< $25 / hr10 - 49Udaipur, India
Services provided
See all 1 projectsTechon Dater Systems Pvt Ltd is a technology solutions provider specializing in web and desktop application development, particularly for order and production management. The company has received positive feedback for their project management and ability to automate complex processes, with a 100% satisfaction rate among reviewers noting their responsible and knowledgeable team.
-
$1,000+Undisclosed2 - 9London, England
Services provided
See all 1 projectsDigiscript Technical Solutions is a web development company that specializes in creating landing pages to enhance online traffic. According to client feedback, 100% of reviewers express satisfaction with Digiscript’s ability to adhere to agreements and meet demands effectively. Communication and project management are also noted to be smooth and efficient, contributing to ongoing projects' success.
-
$10,000+$50 - $99 / hr2 - 9London, England
Services provided
See all 1 projectsEsseal LTD is a web development company known for building customized ticketing platforms, including admin dashboards, user-facing websites, and venue seat mapping tools. Based on reviews, 100% of clients highlighted their organizational skills and transparency, with no negative feedback reported. Clients praised their proactive communication and expertise, noting substantial time and cost savings.
-
$25,000+Undisclosed10 - 49London, England
Services provided
See all 4 projectsTeksati [Husssl Ltd] is a mobile app development company known for aligning well with client values and culture. Their reviews highlight responsiveness and transparency, with 100% of reviewers praising their engagement and prototype design process. However, there is a suggestion for improved communication during development stages.
-
$5,000+$25 - $49 / hr10 - 49
Services provided
See all 1 projectsGrowibes Digital is a web development company known for creating modern and user-friendly websites. The company's reviews highlight their attention to detail, creative approach, and effective communication, with 100% positive feedback regarding timely delivery and responsiveness to client needs. Their ability to work within budget and incorporate client feedback has been particularly praised.
-
$10,000+$25 - $49 / hr10 - 49Surat, India
Services provided
See all 1 projectsTaapti Technologies is a software development company that specializes in creating platforms for automation and AI-driven solutions. According to client reviews, they have achieved a significant reduction in bugs by 60% and increased user satisfaction by over 40%. Clients appreciate their proactive involvement in understanding business problems, ensuring timely and high-quality deliverables.
-
$1,000+$100 - $149 / hr10 - 49Jaipur, India
Services provided
See all 1 projectsKP Think Private Limited is a digital solutions company specializing in website development and social media growth. According to reviews, 100% of clients noted impressive work ethics and communication. They successfully enhanced clients' online presence through improved SEO rankings and social media engagement, with no areas for improvement identified.
-
$25,000+$100 - $149 / hr250 - 999
Services provided
See all 1 projectsNeudesic is a technology services company specializing in creating advanced Power BI dashboards and data transformation using Azure technologies. Feedback highlights their strong programming skills and impressive account management, though project management and risk oversight were noted as areas needing improvement. Approximately 67% of feedback praised their technical capabilities, while 33% indicated challenges in project management.
-
$5,000+$50 - $99 / hr10 - 49Warszawa, Poland
Services provided
See all 1 projectsUltrico is a company specializing in Enterprise Application Modernization, offering services such as app modernization and digital transformation. Reviews highlight their agility and quality mindset, with 100% of feedback indicating strong adaptability and seamless integration with client culture. Clients appreciate their technical excellence and proactive solutions, despite occasional delays in providing new resources.
-
$25,000+$25 - $49 / hr50 - 249Vadodara, India
Services provided
See all 1 projectsTntra is an IT development company specializing in designing and developing scalable, secure, and modern websites. With a focus on user experience and mobile responsiveness, Tntra has received overwhelmingly positive feedback for its technical expertise and strategic partnership approach. Notably, 100% of reviewers praised their project management and responsiveness.
-
$10,000+$50 - $99 / hr10 - 49Raleigh, NC
Services provided
See all 3 projectsGehtsoft USA is a software development company specializing in creating and integrating complex financial and trading platforms. The company receives predominantly positive feedback, with clients praising their technical acumen, seamless project management, and cultural alignment. Approximately 80% of reviews highlight their ability to deliver innovative and scalable solutions, while 90% commend their outstanding customer support and project execution.
-
$1,000+$25 - $49 / hr10 - 49Buenos Aires, Argentina
Services provided
See all 8 projectsXside is a software development company offering services such as mobile app development, web development, and AI solutions. Clients commend Xside for their innovation, responsiveness, and ability to deliver projects on time, with 100% positive feedback from reviewers highlighting their professionalism and collaboration. Notably, 83% of reviewers emphasize their technical aptitude and communication skills, making them a reliable partner for complex projects.
-
$10,000+$25 - $49 / hr10 - 49
Services provided
See all 5 projectsLaser Focused Solutions is a versatile software development company offering services in software engineering, cybersecurity, and e-commerce platform development. Across their reviews, they receive overwhelmingly positive feedback, with clients consistently praising their high-quality work, professionalism, and responsiveness. Approximately 95% of reviewers highlight their exceptional project management and customer satisfaction, emphasizing their ability to handle complex projects and deliver results efficiently.
-
$1,000+$50 - $99 / hr2 - 9
Services provided
See all 3 projectsBytewise is a web development company specializing in website design, SEO optimization, and digital presence enhancement. Across their reviews, 100% of clients praised their excellent communication and project management, with notable success in delivering responsive, high-performing websites. Positive feedback highlighted their ability to exceed expectations and tailor solutions to clients' unique needs, although some suggested enhancements in project tracking and post-launch support.
-
$1,000+< $25 / hr10 - 49Bhopal, India
Services provided
See all 1 projectsTriosoft Technologies Pvt. Ltd. is a web and application development company known for its dedicated customer service and impressive portfolio. The majority of feedback highlights their timely project delivery and quality work, with 100% of reviewers emphasizing effective workflow and communication. Some improvement is suggested in project phase management.
-
$50,000+$50 - $99 / hr10 - 49Granadilla, Costa Rica
Services provided
See all 2 projectsCreek Software is a custom software development firm that excels in creating tailored digital solutions for various industries, including digital vehicle retail and healthcare. The company receives overwhelmingly positive feedback, with clients praising their high-quality, maintainable code and strong commitment to project success. Notably, 100% of reviewers commend their proactive communication and exemplary customer service.
-
Undisclosed< $25 / hr250 - 999
Services provided
See all 6 projectsZaptech Solutions is a versatile software development company offering services in mobile app and web development, e-commerce integration, and IoT solutions. The company has received predominantly positive feedback, with approximately 95% of reviewers praising their adaptability and project management capabilities. Clients commend their responsiveness and ability to handle complex projects across various platforms, although some note minor communication improvements could enhance collaboration.
-
$10,000+$100 - $149 / hr10 - 49Leeds, England
Services provided
See all 6 projectsNewRedo Ltd. is a bespoke software development company known for its expertise in creating custom solutions, such as web portals and backend APIs, tailored to specific client needs. The company consistently receives positive feedback, with reviewers highlighting their flexibility, effective project management, and user-focused approach. Approximately 100% of reviewers appreciated their problem-solving skills and reliability, fostering long-term client relationships.
-
$25,000+$50 - $99 / hr10 - 49Zabrze, Poland
Services provided
See all 7 projectsIterative Engineering is a software development company offering custom solutions across various industries. The company consistently receives positive feedback for its agile project management, technical expertise, and ability to understand client needs, with 100% of reviewers highlighting their innovative approach and responsiveness. Clients appreciate their comprehensive communication and attention to detail, though some note minor delays due to their thoroughness.
-
$1,000+$25 - $49 / hr2 - 9Kraków, Poland
Services provided
See all 1 projectsBusy Beaver Software is a web development company specializing in creating user-friendly websites and enhancing online presence through SEO and social media strategies. Reviewers consistently praised their ability to translate client needs into effective web solutions, with 100% noting increased business visibility and customer acquisition. While variety in website offerings could improve, their technical expertise and reliable project management were highly valued.
-
$10,000+< $25 / hr50 - 249Lahore, Pakistan
Services provided
See all 4 projectsContrive Solutions Contrive Solutions is a software development company specializing in creating custom enterprise-level platforms, with a focus on AI, automation, and fintech solutions. Reviews indicate strong technical expertise, clear communication, and effective project management, with 100% of reviewers expressing satisfaction. Common themes include their adaptability, ability to meet complex requirements, and proactive problem-solving approach. There were no significant areas for improvement mentioned by clients.
-
$5,000+< $25 / hr50 - 249Indore, India
Services provided
See all 7 projectsBrain Inventory Consultancy Services Pvt. Ltd. is a staffing and development company offering services such as staff augmentation and software development. Reviews indicated a mixed response, with 75% of them expressing positive experiences, highlighting effective project management and communication. However, 25% of reviews noted trust and transparency issues, particularly regarding staff experience verification.
-
UndisclosedUndisclosed10 - 49London, England
Services provided
See all 2 projectsWestPoint is a versatile development company specializing in building and enhancing digital platforms and mobile applications. With a focus on technical skill and product thinking, they have received positive feedback for their fast performance, reliability, and effective project management. Over 90% of reviewers commend their technical capabilities and organizational skills, though some suggest slightly faster task completion on complex projects.
-
$50,000+$200 - $300 / hr10 - 49
Services provided
See all 6 projectsExtendApps is a company specializing in Enterprise Application Modernization, offering technical consulting and guidance. Client feedback is overwhelmingly positive, with 100% satisfaction regarding their expertise in navigating the NetSuite ecosystem and timely project delivery. Their services effectively support digital transformation efforts, particularly in legacy system modernization and platform updates.
-
$5,000+$50 - $99 / hr50 - 249Manchester, England
Services provided
See all 12 projectsHashbyt - AI-First Leading Frontend & UI/UX SaaS Partner specializes in UI/UX design and frontend development, often praised for its budget-friendly pricing and cultural fit. The company consistently delivers successful projects, with 100% of reviewers highlighting their expertise and responsiveness. Their scope includes complex healthcare and compliance systems, demonstrating proficiency in both design and technical development.
-
$5,000+Undisclosed50 - 249Jaipur, India
Services provided
See all 1 projectsAppbay Technologies Private Limited is a technology consultancy specializing in digital transformation solutions, particularly in Appian BPM for financial services. Reviewers commend their expertise, with 100% praising their project management, responsiveness, and ability to improve operational efficiency by 30–40%. Clients value their proactive approach and alignment with company values, with no major areas for improvement noted.
-
$5,000+< $25 / hr10 - 49Dubai, United Arab Emirates
Services provided
See all 2 projectsServiots Technology Pvt. Ltd. is a web development company known for designing and hosting websites while providing SEO services. With 100% of reviews highlighting their dedication and impressive project management, clients appreciate their commitment to timely delivery and quality. All reviews express satisfaction, with no areas for improvement mentioned.
-
$1,000+$25 - $49 / hr2 - 9Noida, India
Services provided
See all 2 projectsNirvaat Internet Private Limited specializes in Enterprise App Modernization, focusing on web-based analytics and process optimizations. Reviews highlight their exceptional attention to detail, professionalism, and effective project management. Clients commend their ability to meet timelines and maintain strong communication, ensuring successful software modernization outcomes.
-
$1,000+$25 - $49 / hr2 - 9
Services provided
See all 1 projectsEvius Industri is a web development company renowned for creating websites with enhanced UI/UX designs. Based on reviews, 100% of clients commend their high-quality service and effective project management. They are highlighted for their agility, competence, and ability to drive increased traffic and leads through their work.
-
$5,000+$25 - $49 / hr10 - 49Ahmedabad, India
Services provided
See all 3 projectsSwan Softweb Solutions is a software development company specializing in cloud security, Google App Engine, and application development. Reviews indicate a high level of client satisfaction, with 100% positive feedback highlighting the team's professionalism, expertise, and effective communication. Clients particularly commend the company's dedication to project success and their proficient management of processes and resources.
Share your project goals, and we’ll connect you with verified partners who fit your budget and timeline.
Get My Matches![Teksati [Husssl Ltd] Logotype](https://img.shgstatic.com/clutch-static-prod/image/scale/50x50/s3fs-public/logos/8ed4d51bdde0d5ecf1101a48d13491cd.png){kind=small}
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.