Top Application Modernization Services
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$10,000+$25 - $49 / hr250 - 999Gandhinagar, India
Services provided
See all 3 projectsINTECH Creative Services Pvt Ltd is a software engineering firm specializing in custom AI solutions and Odoo ERP/CRM implementations. The company is praised for its technical expertise, proactive project management, and cultural alignment, consistently delivering projects on time. Approximately 100% of reviews highlight their strong communication and commitment to high-quality solutions, though some suggest more frequent updates could enhance transparency.
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$1,000+$25 - $49 / hr2 - 9
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See all 1 projectsSWING Technologies is a web development company specializing in creating websites and portals. Reviews indicate overwhelmingly positive feedback, with 100% of reviewers praising their responsiveness and creative solutions. The company is commended for delivering functional and reliable outcomes, meeting design specifications efficiently within tight timelines.
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$1,000+< $25 / hr10 - 49Gurugram, India
Services provided
See all 4 projectsNanotech Soft N App IT Solutions is a versatile IT services provider specializing in API development, web applications, mobile apps, and web design. With a high level of professionalism and responsiveness, they have consistently met client expectations as evidenced by overwhelmingly positive feedback from 100% of reviewers. Clients appreciate their timely project completion and effective communication, though minor language barriers have been noted.
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$10,000+$25 - $49 / hr10 - 49
Services provided
See all 2 projectsVector is a technology consulting company specializing in digital transformation, software development, and integration services. With a strong emphasis on cultural alignment and effective communication, Vector consistently delivers high-quality solutions on time and integrates seamlessly with client teams. Approximately 100% of the feedback is positive, highlighting their impressive values, skilled team, and structured project management.
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$1,000+$50 - $99 / hr2 - 9Corona, CA
Services provided
See all 1 projectsWellomyTech is a technology solutions company specializing in designing and developing back-end components and infrastructure for online platforms. Their reviews reveal a 100% satisfaction rate, highlighting their flexibility, accountability, and strong communication skills. Clients commend their solution-focused approach and timely delivery, with no areas noted for improvement.
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$25,000+$25 - $49 / hr10 - 49Rugby, England
Services provided
See all 4 projectsCoreScripts Technologies LTD is a versatile software development company specializing in custom applications, project management systems, and web-based solutions. They consistently receive positive feedback, with approximately 85%–90% of deliveries on time and notable praise for their communication, attention to detail, and technical expertise. Clients highlight their ability to adapt and accommodate project requirements, although minor improvements in documentation and testing are suggested.
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$5,000+< $25 / hr50 - 249
Services provided
See all 11 projectsSunfocus Solutions Pvt. Ltd. is a mobile app and software development company that excels in delivering high-quality, scalable, and reliable applications across various industries. With 100% of reviewers praising their technical expertise, project management, and responsiveness, the company is noted for its ability to meet deadlines and maintain transparent communication. Clients highlight Sunfocus's ability to understand complex requirements and provide elegant solutions, resulting in user satisfaction scores as high as 4.8/5.
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$5,000+$50 - $99 / hr50 - 249
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See all 1 projectsMobile Apps Ai is a mobile app development company known for delivering user-friendly and feature-rich applications. Reviews highlight a 100% positive feedback rate, emphasizing their ability to enhance user engagement, with measurable outcomes such as a 30% increase in engagement and a 20% boost in sales. Their project management and attention to detail are particularly praised by clients.
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$25,000+$200 - $300 / hr10 - 49Durham, NC
Services provided
See all 8 projectsSolar Inbound is a company specializing in Enterprise Application Modernization, notably excelling in transforming and modernizing operational processes via HubSpot implementations. Across reviews, 100% of clients highlight significant improvements in efficiency and scalability, with particular praise for their expertise and personalized support. The company is recognized for timely delivery and excellent value for cost.
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$1,000+$25 - $49 / hr10 - 49Miami, FL
Services provided
See all 6 projectsOnePix is a versatile software development company offering services such as web development, e-commerce solutions, and mobile app development. The company is consistently praised for its effective communication, timely delivery, and innovative problem-solving. Notably, 100% of reviewers highlight their strong cultural fit and impressive project management skills, with a significant emphasis on their technical depth and proactive approach to project challenges.
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$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.
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$1,000+$25 - $49 / hr50 - 249Buenos Aires, Argentina
Services provided
See all 2 projectsEspin Labs is a custom software development company known for its expertise in creating educational web portals and management systems, as evidenced by their work with the Ministry of Education in Argentina. The company receives 100% positive feedback, highlighting their timely responses and flexibility in addressing project needs, even during weekends or late hours. Clients consistently express satisfaction, with no significant areas for improvement noted.
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$1,000+< $25 / hr10 - 49Kochi, India
Services provided
See all 11 projectsBlue Horizon Infotech is a versatile technology and software development company offering services such as web development, UX/UI design, and custom software solutions. Their reviews demonstrate a high level of customer satisfaction, with approximately 95% positive feedback highlighting their project management skills, responsiveness, and ability to deliver quality work within budget and timelines. Clients commend their flexibility and problem-solving capabilities, making them a reliable partner for various technological projects.
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$10,000+$50 - $99 / hr10 - 49Chennai, India
Services provided
See all 2 projectsSkcript is a technology solutions company specializing in blockchain development, robotic process automation, and mobile application development. The company's expertise in JavaScript, Firebird, and Hyperledger Fabric is praised by clients, with 100% of reviews highlighting their strong project management and responsive communication. However, some feedback suggests room for improvement in pre-sale efficiency.
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$10,000+$50 - $99 / hr10 - 49
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See all 5 projectsAllmatics is a versatile software development company specializing in web and software solutions, including frontend and backend development, database management, and UI/UX design. Reviewers consistently highlight their professionalism, timely delivery, and strong project management skills, with no significant areas for improvement noted. Approximately 80% of reviewers appreciate their communication and adaptability, emphasizing their reliable and detail-oriented approach.
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$25,000+$25 - $49 / hr2 - 9Vickramasingapuram, India
Services provided
See all 2 projectsZephony is a development company known for building MVPs, particularly for AI-powered solutions. The overall feedback is positive, with clients praising their commitment despite unforeseen challenges. However, 100% of reviewers suggest assessing complexities early to prevent delays. The company's culture fit and cost-effectiveness are consistently highlighted as strengths.
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$10,000+$50 - $99 / hr50 - 249München, Germany
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See all 5 projectsAterise is a software development and IT consulting company specializing in financial solutions and digital products. Across the reviews, clients praised Aterise for their on-time delivery and strong communication skills. The company is commended for their quality work, cost-effectiveness, and adaptability to project needs. Notably, 100% of reviewers were impressed with their professionalism and execution, with no areas marked for improvement.
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$5,000+$25 - $49 / hr10 - 49Atlanta, GA
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See all 1 projectsMVP Now Studio is a CRM implementation company that assists businesses in configuring and integrating CRM systems like Zoho. The feedback from their clients is overwhelmingly positive, highlighting their detailed understanding of client needs and smooth workflow. Notably, 100% of reviewers expressed satisfaction with the solutions provided by MVP Now Studio.
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$5,000+$25 - $49 / hr10 - 49Chorzów, Poland
Services provided
See all 3 projectsEvertop is a software development company specializing in creating custom applications and platforms for diverse business needs. Their clients commend them for their excellent project management, flexibility, and timely delivery, with 100% of reviewers highlighting their exemplary service and communication. Notably, clients appreciate Evertop's ability to adapt and implement changes effectively, showcasing their commitment to meeting client expectations.
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$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.
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$10,000+$50 - $99 / hr2 - 9Burbank, CA
Services provided
See all 1 projectsWorklab.io, Inc. is a comprehensive software development company specializing in mobile and desktop app development, backend solutions, and technology consulting. The client feedback is overwhelmingly positive, with 100% of reviewers praising their ability to deliver a perfect product on time and their impressive commitment to client vision and technological expertise.
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UndisclosedUndisclosed10 - 49
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See all 1 projectsNenu Tech Limited is a software development company specializing in creating customized client management solutions and providing SEO services. Their clients appreciate their attentiveness and clear communication, with 100% positive feedback regarding their project management skills and timely delivery. Clients commend their professionalism and reliability, emphasizing the company's ethical approach in a market often fraught with challenges.
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$1,000+$50 - $99 / hr2 - 9
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See all 3 projectsPhanoon Software Solutions is a specialized software development company, excelling in e-commerce website design and development. Reviews highlight their strong project management, excellent communication, and high-quality deliverables, with 100% positive feedback regarding their ability to enhance user experience and streamline operations. Approximately 67% of reviewers praised their expertise in creating engaging, scalable, and mobile-responsive platforms, leading to improved customer engagement and business growth.
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$5,000+$25 - $49 / hr10 - 49Jaipur, India
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See all 5 projectsGlobal Lancers specializes in web and app development, digital marketing, and branding services. The company is praised for its project management capabilities and ability to understand and implement client needs. Approximately 100% of reviewers noted increased engagement and satisfaction with their services, highlighting their continuous improvement and use of innovative technologies.
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$10,000+$25 - $49 / hr50 - 249Kharkiv, Ukraine
Services provided
See all 3 projectsAgilites is a versatile software development and quality assurance company, proficient in handling product development and testing across various platforms, including healthcare IT and HR automation. Their clients commend their professionalism and ability to integrate seamlessly as part of their teams, with 100% of reviewers highlighting their strong technical skills and dedication to honest business practices. They consistently meet and exceed expectations in engineering quality and project management efficiency.
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$50,000+$50 - $99 / hr10 - 49Budapest, Hungary
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See all 1 projectsKonstruktor Online is an IT development company specializing in both software and hardware solutions. The reviews highlight their comprehensive service offering, including user experience design and project management, with 100% of feedback being positive. Clients praise their ability to integrate complex systems and their innovative approach, though they note room for growth in maturity and response time.
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$25,000+$50 - $99 / hr10 - 49
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See all 2 projectsOrafox, Inc. is a web development company specializing in e-commerce solutions and website optimization. The company has received overwhelmingly positive feedback, with clients praising their responsiveness, organization, and dedication. Approximately 100% of reviewers noted their impressive project management and communication skills, while all clients highlighted the significant improvements in their website performance and conversion rates.
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$1,000+Undisclosed2 - 9London, England
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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.
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$1,000+< $25 / hr50 - 249Mumbai, India
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See all 1 projectsKanishka Software Private Limited is a software development company known for creating websites and apps with a strong focus on UI/UX design. Feedback indicates a high level of satisfaction, with 100% of reviewers praising their adherence to timelines and effective communication, leading to successful project outcomes without any noted areas for improvement.
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$10,000+Undisclosed10 - 49Toronto, Canada
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See all 1 projectsBuildable is a web development company specializing in creating web applications using technologies like React and Node.js. They have been praised for their organizational skills, proactive approach, and superior communication, with 100% of reviewers noting their impressive project management and technological foresight. Clients appreciate their ability to add value and effectively meet project needs.
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List of the Top 15 Legacy Modernization Services
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$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
38.5/40.019.4/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
25% Enterprise App Modernization75% Other -
$5,000+< $25 / hr1,000 - 9,999
Ability to deliver
35.9/40.016.6/20 Reviews10/10 Clients & Experience9.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / 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 -
$50,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35/40.017/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
34.2/40.018.6/20 Reviews9.8/10 Clients & Experience5.7/10 Market PresenceService focus
60% Enterprise App Modernization40% Other -
$25,000+$25 - $49 / hr1,000 - 9,999Orlando, FL
Ability to deliver
40/40.020/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$100,000+$50 - $99 / hr1,000 - 9,999Oakland, CA
Ability to deliver
34/40.015.2/20 Reviews8.8/10 Clients & Experience10/10 Market PresenceService focus
45% Enterprise App Modernization55% Other -
$50,000+$50 - $99 / hr1,000 - 9,999New York, NY
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr1,000 - 9,999Kraków, Poland
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 - 9,999Atlanta, GA
Ability to deliver
37.3/40.017.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
39.1/40.019.6/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr50 - 249Gliwice, Poland
Ability to deliver
38.9/40.019/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
36.8/40.017.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$50 - $99 / hr250 - 999London, England
Ability to deliver
36.8/40.016.8/20 Reviews10/10 Clients & Experience10/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+< $25 / hr250 - 999Ahmedabad, India
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$100,000+$150 - $199 / hr50 - 249Southborough, MA
Ability to deliver
32.2/40.015.8/20 Reviews10/10 Clients & Experience6.4/10 Market PresenceService focus
50% Enterprise App Modernization50% Other -
$50,000+$50 - $99 / hr250 - 999Hudson, OH
Ability to deliver
36/40.016.6/20 Reviews9.8/10 Clients & Experience9.6/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$50,000+$150 - $199 / hr50 - 249Conshohocken, PA
Ability to deliver
36/40.016.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$50,000+$50 - $99 / hr50 - 249San Francisco, CA
Ability to deliver
39.8/40.020/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$100 - $149 / hr10 - 49Costa Mesa, CA
Ability to deliver
36.8/40.018/20 Reviews10/10 Clients & Experience8.8/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr250 - 999Lakeville, MN
Ability to deliver
37/40.017.2/20 Reviews9.9/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$150 - $199 / hr50 - 249Montréal, Canada
Ability to deliver
37.5/40.017.8/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
35.3/40.016.8/20 Reviews10/10 Clients & Experience8.6/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr50 - 249L'viv, Ukraine
Ability to deliver
38.3/40.019.4/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$25 - $49 / hr50 - 249Warszawa, Poland
Ability to deliver
38.3/40.019.2/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
UndisclosedUndisclosed1,000 - 9,999Atlanta, GA
Ability to deliver
33.3/40.016/20 Reviews10/10 Clients & Experience7.3/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$25,000+$50 - $99 / hr50 - 249Prague, Czech Republic
Ability to deliver
39.2/40.020/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$10,000+$25 - $49 / hr50 - 249Portland, OR
Ability to deliver
35.1/40.016.8/20 Reviews10/10 Clients & Experience8.3/10 Market PresenceService focus
30% Enterprise App Modernization70% Other -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
36.5/40.016.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$100 - $149 / hr50 - 249Belfast, Northern Ireland
Ability to deliver
37/40.017.2/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
20% Enterprise App Modernization80% Other
Top App Modernization Agencies
App modernization companies upgrade, refactor, or re-platform legacy software so it performs like a modern, cloud-ready application. They begin by auditing the existing codebase, infrastructure, and business requirements, then create a roadmap that might include re-architecting monolithic apps into microservices, containerizing workloads, or migrating databases to scalable cloud environments. Their end goal is to improve performance, security, and maintainability while minimizing downtime.
Most firms deliver a mix of strategic and technical services, such as:
- Legacy code assessment and technical debt analysis
- Re-platforming (e.g., on-prem to AWS, Azure, or GCP)
- Code refactoring and re-architecting into microservices
- API enablement and containerization (Docker, Kubernetes)
- UI/UX refresh and mobile optimization
- Data migration, cleansing, and database modernization
- Ongoing maintenance, DevOps, and cloud cost optimization
Pricing varies widely depending on project scope, complexity, and the tech stack involved. Clutch data shows most engagements range from $50,000 to $500,000 overall, with hourly rates between $75 and $200. Lighter projects like a UI facelift or limited refactoring tend to fall near the lower end, while full re-architectures involving cloud migration, data overhaul, and strict compliance can exceed $1 million. Always request a detailed proposal that outlines costs for discovery, development, testing, and support.
When choosing the best right app modernization for your business, consider these:
- Review expertise: Look for case studies that mirror your tech stack (Java, .NET, PHP) and industry compliance needs.
- Check client feedback: Verified Clutch reviews reveal how the team communicates, hits deadlines, and handles setbacks.
- Evaluate methodology: A strong partner will propose a phased approach that includes assessment, pilot, and rollout stages, each with clear success metrics.
- Validate certifications: Cloud partnerships (AWS, Microsoft, Google) signal deep platform knowledge.
- Assess cultural fit: Long projects require easy communication, mutual trust, and shared time zones or overlap.
These are some of the red flags that you should watch for when hiring an app modernization company:
- Guaranteed timelines before an audit: Accurate estimates require a code and infrastructure review.
- Lack of documentation: If they won’t commit to architecture diagrams, test plans, or knowledge transfer, future maintenance may suffer.
- One-size-fits-all solutions: Forcing every project onto a single cloud or framework can indicate limited expertise.
- Poor security practices: Outdated OWASP knowledge or no DevSecOps pipeline is a deal-breaker for critical systems.
- Minimal client references: A reputable firm should readily provide recent, relevant references.
Here are some questions you can ask app modernization companies before hiring them:
- Which modernization strategies (rehost, refactor, re-architect) do you recommend for our stack, and why?
- Can you share success metrics from similar projects—e.g., performance gains or cost reductions?
- What is your approach to minimizing downtime during migration?
- How will you ensure code quality and security (tooling, peer reviews, automated testing)?
- What support and knowledge-transfer do you provide after launch?
- How do you handle scope changes and unforeseen legacy issues?
Partnering with specialists accelerates time-to-value. Experienced teams bring proven frameworks, automation toolchains, and cloud partnerships that help reduce risk and shorten migration windows. Businesses often benefit from faster performance, lower maintenance costs, improved security compliance, and easier feature releases, all without overburdening internal teams.
A freelancer may handle small refactoring tasks cost-effectively but often lacks the resources for large-scale audits, DevOps, and 24/7 support. Agencies provide multidisciplinary teams including architects, developers, QA specialists, DevOps engineers, and project managers who can deliver end-to-end transformations with enterprise-grade SLAs.