Top Application Modernization Services
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$50,000+$100 - $149 / hr10 - 49Irvine, CA
Services provided
See all 4 projectsCompany A is a technology and web development firm specializing in seamless CMS integration, agile project management, and customized solutions for diverse industries. Across their reviews, 100% of clients praised their professional collaboration and customer service, with 75% highlighting their effective use of agile methodologies. Areas for improvement include better client team guidance and expanded service offerings.
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$1,000+$25 - $49 / hr10 - 49Lahore, Pakistan
Services provided
See all 1 projectsASP.Net Zero Developers is a web development company specializing in building scalable platforms and ongoing support. Feedback indicates overwhelmingly positive experiences, with 100% of reviewers noting timely delivery and responsiveness. The company is praised for exceeding expectations and fostering a partnership-like relationship with clients, though improvement in communication regarding holidays is suggested by some clients.
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$10,000+$50 - $99 / hr50 - 249Tallinn, Estonia
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See all 7 projectsOpus Online is a multifaceted development company offering web design, development, and app solutions. With a strong reputation for efficiency and innovation, 100% of reviewers recommend their services. Clients appreciate their speed and adaptability, although some suggest more thorough initial consultations could enhance project outcomes. Overall, Opus Online is recognized for its ability to deliver impactful digital solutions across diverse industries.
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$25,000+$100 - $149 / hr2 - 9Fitzroy, Australia
Services provided
See all 12 projectsAtlasopen is a versatile software development company that provides custom solutions across various industries, including marketing, e-commerce, and mobile app development. According to the reviews, they have a strong reputation, with over 85% of feedback being positive, highlighting their creativity, professionalism, and effective project management. Clients appreciate their ability to understand complex requirements and deliver high-quality, tailored solutions, while also noting areas for improvement in bug management and expectation setting.
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Undisclosed< $25 / hr10 - 49
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See all 6 projectsMobilePundits is a mobile and web development company renowned for its expertise in creating mobile applications and web-based solutions. The reviews reveal a high level of client satisfaction, with a 100% positive feedback rate and consistent praise for their thoroughness, effective communication, and reliability. Approximately 40% of reviewers highlighted their excellent customer service and problem-solving abilities, while recognizing areas for improvement in design capabilities.
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$5,000+< $25 / hr10 - 49Lidcombe, Australia
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See all 10 projectsTelexar Technologies is a versatile software development company specializing in custom solutions, web and mobile applications, and infrastructure maintenance. With 100% positive feedback across reviews, clients consistently commend their technical skills, effective project management, and communication. Notably, 57% of reviewers highlight Telexar’s ability to deliver projects on time and within budget. Areas for improvement include communication and timeline efficiency.
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$25,000+$50 - $99 / hr2 - 9Round Rock, TX
Services provided
See all 3 projectsFulcrum Dynamic is a web development company known for its proficiency in UI design, web development, and API integration. Approximately 100% of the reviews highlight their strong project management skills and commitment to quality. Clients commend their dedication and effective communication, although they occasionally face challenges with unfamiliar tasks. Overall, Fulcrum Dynamic consistently meets project goals with high satisfaction rates.
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$10,000+$50 - $99 / hr50 - 249Tallinn, Estonia
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See all 9 projectsIspirer Systems is a software modernization company that specializes in enterprise application modernization and legacy system migration. Approximately 100% of reviewers praise their timely delivery, strong technical expertise, and professional communication. Common themes include their proactive project management and impressive efficiency in database migrations and software conversions.
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$10,000+$100 - $149 / hr2 - 9Chicago, IL
Services provided
See all 9 projectsLakeview Labs is a mobile app development company with a strong emphasis on personalized client engagement and strategic project management. Feedback from clients is overwhelmingly positive, highlighting their ability to offer thoughtful, detail-oriented solutions and effective communication. Approximately 80% of reviewers praise their responsiveness and partnership approach, with more than 60% noting their commitment to client success and technical expertise.
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$5,000+$25 - $49 / hr10 - 49
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See all 13 projectsHapy Co is a versatile technology solutions provider specializing in streamlining operations for government services and developing mobile applications for diverse sectors. They boast a 100% positive feedback rate, with clients appreciating their customization capabilities and transparent communication. However, some reviews suggest room for improvement in turnover speed due to occasional delivery delays.
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$75,000+$50 - $99 / hr50 - 249
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See all 3 projectsXenoss is a specialized software development company renowned for its expertise in AdTech solutions, engineering talent sourcing, and custom software development. With a 100% positive feedback rate, clients highlight their strong project management, domain expertise, and high-quality deliverables. An impressive 67% of reviewers commend Xenoss for their sector knowledge and ability to meet complex challenges effectively.
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$25,000+$25 - $49 / hr50 - 249Plovdiv, Bulgaria
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See all 2 projectsCodeCoda Ltd. is a software development company specializing in creating innovative solutions, such as self-service platforms and backend systems for complex data management needs. Reviews highlight their exceptional problem-solving skills, high-quality code delivery, and effective project management. Impressively, 100% of reviewers commend their ability to tackle unique challenges, and their dedication is praised, with no significant areas for improvement noted.
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$1,000+< $25 / hr10 - 49
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See all 3 projectsCodigitar is a software development company specializing in custom solutions such as web design, management platforms, and applications. The overall feedback from their reviews is highly positive, with clients praising their personalized attention, technological expertise, and effective project management. Approximately 100% of reviewers highlighted their professionalism and timely delivery, with no significant areas of improvement mentioned.
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$25,000+$50 - $99 / hr10 - 49Gliwice, Poland
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See all 3 projectsExlabs is a software development company specializing in cloud solutions and agile project management. The overall feedback from reviews is overwhelmingly positive, with 100% of reviewers praising their technical expertise, effective communication, and seamless project management. Clients highlight Exlabs' ability to provide innovative solutions and maintain strong collaborative partnerships, resulting in successful project outcomes and improved operational efficiency.
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$5,000+$25 - $49 / hr50 - 249Birmingham, England
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See all 17 projectsFicode Technologies Limited specializes in Enterprise App Modernization, assisting firms like Costco IT in enhancing application performance and user experience. The company received universally positive feedback, with 100% of reviews highlighting their quality commitment and effective modernization strategies, resulting in a 40% performance improvement and a 25% rise in user satisfaction.
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$5,000+< $25 / hr50 - 249Skokie, IL
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See all 7 projectsHoff & Mazor is a company specializing in Enterprise App Modernization, offering comprehensive software modernization services to enhance user engagement and retention. Reviews indicate a high level of satisfaction, with user engagement increasing by 35% and retention by 40%. Clients appreciate their commitment to user-centric design and transparent communication, although no specific areas for improvement were mentioned.
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$10,000+$150 - $199 / hr50 - 249London, England
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See all 3 projectsSomo is a specialized mobile strategy and development agency known for its innovative approach and strong market knowledge. Feedback from clients is overwhelmingly positive, with over 90% praising their creativity, enthusiasm, and ability to drive significant returns on investment and app installations. Somo excels in understanding client needs, though minor improvements in delivering actionable insights have been noted.
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$5,000+Undisclosed10 - 49
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See all 2 projectsSunNet Solutions is a development firm specializing in app and web platform creation, providing ongoing support and maintenance services. Reviews highlight their professional approach, technical expertise, and proactive engagement, with 100% positive feedback on their performance. Clients appreciate their ability to accommodate constraints and enhance communication, resulting in substantial business growth and satisfaction.
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Undisclosed$100 - $149 / hr10 - 49
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See all 3 projectsAppworks Technologies is a versatile technology partner specializing in app and software development, including backend infrastructure and frontend design. Across multiple client reviews, 100% praised their excellent project management, communication skills, and ability to understand and meet complex requirements. Clients consistently highlight their impressive organization and integration capabilities, with no significant areas for improvement noted.
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$50,000+$100 - $149 / hr10 - 49Orlando, FL
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See all 3 projectsEcho Interaction Group is a mobile app development company noted for their expertise in creating tailored applications for both iOS and Android platforms. Across their reviews, 100% of clients emphasize their strong communication, project management skills, and a consultative approach that aligns with client strategies. Clients appreciate their role in the community and their ability to foster trusted partnerships. Some suggest improved clarity in technical explanations.
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$10,000+< $25 / hr250 - 999Indore, India
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See all 6 projectsWebvillee Technology Pvt. Ltd is a versatile software development company excelling in web and mobile app solutions, particularly in Salesforce integration and society management systems. The company consistently receives positive feedback for its professionalism, timely project delivery, and comprehensive expertise, with over 90% of reviewers highlighting their high-quality work and efficient communication.
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$5,000+$25 - $49 / hr10 - 49porvorim, India
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See all 2 projectsHelix Tech is a versatile software development company specializing in app and web development, with a strong focus on creating responsive and professional platforms. They receive predominantly positive feedback, with clients highlighting their technical expertise, proactive communication, and timely project delivery. Approximately 100% of reviewers commend their project management skills and responsiveness, while some suggest expanding their geographical presence.
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$10,000+$25 - $49 / hr50 - 249
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See all 20 projectsEmpeek is a software development company specializing in creating customized software solutions, mobile applications, and providing team augmentation services. Overall, clients have consistently praised Empeek's project management, communication, and high-quality deliverables, with 100% of the reviews reflecting positive experiences. Many reviewers highlighted Empeek's responsiveness, adherence to timelines, and ability to integrate seamlessly into existing teams, underscoring their commitment to excellence and client satisfaction.
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$5,000+$50 - $99 / hr2 - 9
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See all 5 projectsTech Makers is a no-code development company specializing in projects using tools like Bubble.io, offering custom software solutions and integrations. Their reviews highlight an 80% satisfaction rate, with clients praising their technical expertise, project management skills, and UX/UI improvements. Nearly all reviewers appreciated their ability to deliver complex functionalities efficiently and their professional communication, with no significant areas for improvement noted.
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Undisclosed$150 - $199 / hr2 - 9Seattle, WA
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See all 8 projectsFreelock LLC is a web development company specializing in Drupal and WordPress. They are praised for their technical expertise, particularly in web security and CMS upgrades, and for their responsive and clear communication. Across multiple projects, clients appreciate their reliability and proactive approach to problem-solving, with over 90% of reviews highlighting their ability to deliver tailored solutions and excellent customer service.
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$5,000+< $25 / hr50 - 249Ahmedabad, India
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See all 33 projectsIT Path Solutions is a versatile IT services provider, offering web development, software creation, and digital solutions. They consistently receive positive feedback, with approximately 95% of reviews highlighting their project management, effective communication, and timely delivery. Clients particularly appreciate their collaborative approach and technical expertise, though a handful mentioned slight delays or the need for improved accuracy in some deliverables.
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$50,000+$150 - $199 / hr10 - 49Denver, CO
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See all 10 projectsDevIQ is an enterprise application modernization company specializing in transforming outdated systems into scalable, secure, and efficient platforms. With a 100% customer satisfaction rate, their reviews highlight exceptional project management, proactive communication, and successful delivery within budget and timelines. Clients commend their deep industry knowledge and tailored solutions, with 75% mentioning DevIQ's ability to enhance security and reliability.
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$10,000+$50 - $99 / hr10 - 49Sofia, Bulgaria
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See all 21 projectsFuturist Labs is a software development company specializing in mobile app and platform creation, offering services for both iOS and Android. Reviewers commend the company for its professionalism, effective communication, and ability to integrate smoothly with existing teams, with 100% of reviews highlighting their flexibility and expertise. Their collaborative approach and commitment to client satisfaction have been consistently recognized across all feedback.
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$10,000+$50 - $99 / hr50 - 249Lelystad, Netherlands
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See all 2 projectsPROBEGIN is a versatile web development company known for its robust technical expertise in creating platforms and e-commerce solutions. They have consistently received positive feedback, with clients commending their project management skills, responsiveness, and ability to deliver creative and technical solutions efficiently. Approximately 100% of reviewers express satisfaction with their communication, flexibility, and proactive approach to problem-solving.
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$10,000+$100 - $149 / hr10 - 49Southend-on-Sea, England
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See all 6 projectsAtlas - Clever Software is a software development company specializing in creating bespoke web-based applications and solutions, particularly in CRM systems and mobile platforms. Across their reviews, the company is praised for its professionalism, innovative approaches, and partnership-driven mindset. Clients highlight their ability to deliver solutions on time and within budget with a focus on business value, resulting in high customer satisfaction. Notably, Atlas demonstrates adaptability and a commitment to client success, with nearly 100% of reviewers appreciating their proactive strategies and collaborative project management.
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List of the Top 15 Legacy Modernization Services
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$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 - 9,999Kraków, Poland
Ability to deliver
39.7/40.020/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$50,000+$50 - $99 / hr250 - 999Miami, FL
Ability to deliver
38.1/40.019/20 Reviews10/10 Clients & Experience9.1/10 Market PresenceService focus
25% Enterprise App Modernization75% 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 -
$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 -
$25,000+$50 - $99 / hr50 - 249Miami, FL
Ability to deliver
35/40.017/20 Reviews10/10 Clients & Experience8/10 Market PresenceService focus
45% Enterprise App Modernization55% 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 -
$10,000+$100 - $149 / hr250 - 999London, England
Ability to deliver
37.8/40.018.6/20 Reviews10/10 Clients & Experience9.2/10 Market PresenceService focus
20% Enterprise App Modernization80% 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 / hr50 - 249Gliwice, Poland
Ability to deliver
39.5/40.019.6/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
20% Enterprise App Modernization80% 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+$25 - $49 / 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 -
$10,000+$50 - $99 / hr50 - 249Warszawa, Poland
Ability to deliver
38.7/40.019.2/20 Reviews10/10 Clients & Experience9.5/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$5,000+$50 - $99 / hr10 - 49Brno, Czech Republic
Ability to deliver
32.7/40.018/20 Reviews9.8/10 Clients & Experience4.8/10 Market PresenceService focus
60% Enterprise App Modernization40% 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
15% Enterprise App Modernization85% 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 -
$50,000+$50 - $99 / hr1,000 - 9,999L'viv, Ukraine
Ability to deliver
37.6/40.017.8/20 Reviews10/10 Clients & Experience9.8/10 Market PresenceService focus
11% Enterprise App Modernization89% 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 -
$25,000+$25 - $49 / hr250 - 999Frisco, TX
Ability to deliver
36.9/40.017/20 Reviews10/10 Clients & Experience9.9/10 Market PresenceService focus
15% Enterprise App Modernization85% 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 -
$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 -
$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 -
$50,000+$50 - $99 / hr250 - 999Unterschleißheim, Germany
Ability to deliver
34.9/40.017.8/20 Reviews10/10 Clients & Experience7.1/10 Market PresenceService focus
20% Enterprise App Modernization80% Other -
$75,000+$50 - $99 / hr50 - 249Marlborough, MA
Ability to deliver
38.9/40.020/20 Reviews10/10 Clients & Experience8.9/10 Market PresenceService focus
10% Enterprise App Modernization90% Other -
$50,000+$50 - $99 / hr250 - 999Palo Alto, CA
Ability to deliver
36.3/40.016.6/20 Reviews10/10 Clients & Experience9.7/10 Market PresenceService focus
15% Enterprise App Modernization85% Other -
$10,000+$25 - $49 / hr10 - 49Ahmedabad, India
Ability to deliver
37.4/40.018.4/20 Reviews9.6/10 Clients & Experience9.5/10 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.