Top Application Modernization Services
15 Leaders 15 Contenders
3,947 Companies
List of the Top Legacy Modernization Services
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$25,000+$100 - $149 / hr250 - 999Chicago, IL
Services provided
30% Enterprise App Modernization40% Mobile App Development20% Low/No Code Development +1 service10% Web DesignSee all 14 projectsBuild BetterApp | Chicago’s Top Mobile App Development Company excels in developing innovative, user-centric mobile and web applications that cater to diverse business needs. With 100% of reviewers highlighting their client-centric approach and innovative problem-solving, the company maintains high satisfaction ratings, evidencing a commitment to quality and timely delivery, often exceeding client expectations.
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$5,000+< $25 / hr50 - 249Ahmedabad, India
Services provided
10% Enterprise App Modernization15% AI Consulting15% Web Development +7 services10% AI Agents10% AI Development10% Cloud Consulting & SI10% Custom Software Development10% Mobile App Development5% Generative AI5% Search Engine OptimizationSee all 34 projectsIT Path Solutions is a versatile software development company specializing in web and application development, including AI-powered solutions, custom coding, and WordPress development. Across multiple reviews, 100% of clients expressed satisfaction, noting the company's strong communication, project management, and adaptability to client needs. A notable 80% specifically praised their project management skills, highlighting timely delivery and a proactive approach.
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$10,000+$150 - $199 / hr10 - 49Houston, TX
Services provided
20% Enterprise App Modernization25% Custom Software Development14% UX/UI Design +5 services10% Conversion Optimization10% Web Design8% Application Management & Support8% E-Commerce Development5% Mobile App DevelopmentSee all 6 projectsEpicenter Consulting is a company specializing in Enterprise Application Modernization with a focus on digital transformation and software modernization. The feedback is overwhelmingly positive, with 100% of reviewers praising their attentiveness, innovation, and thoroughness, highlighting their ability to deliver projects on time and adapt to changing needs.
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$5,000+$50 - $99 / hr50 - 249Panama City Beach, FL
Services provided
20% Enterprise App Modernization40% Custom Software Development20% Mobile App Development +2 services10% UX/UI Design10% Web DevelopmentSee all 6 projectsTeknika is a versatile technology company specializing in both hardware and software development, with expertise in mobile and web applications across various industries. Across their reviews, 100% of clients praise their comprehensive service offerings and effective project management. Reviewers frequently commend Teknika for their flexibility and partnership approach, with 83% highlighting their ability to handle complex projects and adapt to evolving client needs.
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$5,000+$100 - $149 / hr10 - 49Sausalito, CA
Services provided
30% Enterprise App Modernization50% Cybersecurity10% IT Managed Services +1 service10% IT Strategy ConsultingSee all 5 projectsAtricore is a technology solutions company specializing in identity management and enterprise solutions, including invoicing systems and single sign-on platforms. The reviews reveal a strong emphasis on flexibility, detailed project management, and excellent customer support. Approximately 90% of reviewers highlight their professionalism, while nearly 75% note the quality of technical integration and user satisfaction.
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$5,000+< $25 / hr50 - 249Skokie, IL
Services provided
20% Enterprise App Modernization20% Mobile App Development10% Blockchain +5 services10% Custom Software Development10% Low/No Code Development10% Other Application Development10% Wearable App Development10% Web DesignSee all 13 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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$50,000+$100 - $149 / hr2 - 9London, England
Services provided
14% Enterprise App Modernization86% Custom Software DevelopmentSee all 1 projectsSeb Azzo is a development company specializing in creating and maintaining digital brand guidelines. They have received overwhelmingly positive feedback, with clients praising the simplicity and intuitive nature of their products. Approximately 100% of reviewers commend their ongoing communication and commitment to project success, highlighting their flexibility and collaborative approach to product development.
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$25,000+$50 - $99 / hr10 - 49Canton, GA
Services provided
10% Enterprise App Modernization20% Custom Software Development15% Cloud Consulting & SI +5 services15% Mobile App Development15% Web Development10% AI Development10% BI & Big Data Consulting & SI5% IT Staff AugmentationSee all 9 projectsWeGotCode.com is a software modernization company specializing in enterprise application modernization and digital systems transformation. They successfully updated and modernized a legacy SQL application for EXOVATIONS, showcasing effective project delivery and responsive post-launch support. Their commitment to completing projects is highlighted by 100% satisfaction, with 100% of reviewers noting timely delivery and budget alignment.
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$1,000+< $25 / hr50 - 249Jaipur, India
Services provided
15% Enterprise App Modernization20% AI Development20% Cloud Consulting & SI +3 services20% Custom Software Development15% IT Staff Augmentation10% BI & Big Data Consulting & SISee all 6 projectsDurapid Technologies Private Limited is a company specializing in Enterprise Application Modernization, offering services in software and systems modernization and digital transformation. The feedback is overwhelmingly positive, highlighting their effective project management and partnership approach, with 100% of reviewers praising their commitment to understanding client needs and delivering solutions that enhance business operations.
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$25,000+$25 - $49 / hr250 - 999Cincinnati, OH
Services provided
10% Enterprise App Modernization15% Custom Software Development15% Web Development +7 services10% Application Management & Support10% Application Testing10% Call Center Services10% Mobile App Development10% Other Application Development5% HR Outsourcing5% RecruitingSee all 8 projectsITCube Solutions Pvt. Ltd. is a versatile IT service provider specializing in custom software development, SharePoint services, and business process automation. The company has received overwhelmingly positive feedback, with clients frequently highlighting their commitment to quality and effective collaboration. Approximately 90% of reviewers commend their project management skills and technical expertise, while some suggest improvements in areas like graphical design and quality checking.
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$5,000+< $25 / hr10 - 49Sacramento, CA
Services provided
10% Enterprise App Modernization25% Web Development20% Mobile App Development +4 services15% E-Commerce Development10% AI Development10% Custom Software Development10% Other Application DevelopmentSee all 15 projectsRocket Systems is a software modernization company specializing in Enterprise App Modernization and digital systems transformation. Reviews indicate a 100% positive feedback rate, highlighting their professionalism, effective project management, and technical proficiency. Approximately 90% of reviewers praise their ability to deliver functional, high-quality apps on time while maintaining excellent communication and a positive company culture.
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$10,000+$25 - $49 / hr50 - 249Montevideo, Uruguay
Services provided
10% Enterprise App Modernization30% Custom Software Development30% Mobile App Development +2 services20% Web Development10% IT Staff AugmentationSee all 1 projectsDVelop Software Solutions is a software development firm specializing in building web and mobile platforms, with expertise in GeneXus. Reviewers emphasize the company’s professionalism, commitment, and effective project management, noting 100% satisfaction with the quality and success of their projects. They are praised for delivering on time and within budget, functioning seamlessly as an extension of clients' teams.
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$5,000+$25 - $49 / hr50 - 249Kochi, India
Services provided
10% Enterprise App Modernization10% AI Development10% Custom Software Development +7 services10% DevOps Managed Services10% Generative AI10% IT Managed Services10% IT Staff Augmentation10% IT Strategy Consulting10% Mobile App Development10% Web DevelopmentSee all 11 projectsCubet is a company specializing in Enterprise Application Modernization services, providing solutions such as booking systems that cater to unique business needs. With a strong emphasis on customer satisfaction, 100% of reviews praise their responsiveness and timely delivery, highlighting their effective project management and budget-friendly pricing.
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$10,000+$150 - $199 / hr2 - 9Mission Viejo, CA
Services provided
15% Enterprise App Modernization35% Custom Software Development20% Web Development +3 services10% Cloud Consulting & SI10% Mobile App Development10% Other Application DevelopmentSee all 3 projectsCalibec is a software development company specializing in modernizing and upgrading applications. The reviews are overwhelmingly positive, with 100% of clients noting timely delivery, responsiveness, and effective communication. Clients appreciate Calibec's innovative approach and project management skills, highlighting their ability to enhance user engagement and provide valuable suggestions. There are no reported areas for improvement.
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$10,000+$100 - $149 / hr10 - 49Lalitpur, Nepal
Services provided
10% Enterprise App Modernization30% Custom Software Development15% AI Development +3 services15% Cloud Consulting & SI15% Mobile App Development15% Web DevelopmentSee all 3 projectsSynapse Technologies is a versatile technology solutions provider offering web development and software services, particularly adept at AI applications and IT management. Reviews reveal a consistent theme of timely delivery, exceptional client communication, and high customer satisfaction, with no areas for improvement mentioned and positive feedback from 100% of their clients.
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$5,000+$100 - $149 / hr10 - 49Vancouver, Canada
Services provided
10% Enterprise App Modernization30% Mobile App Development30% Web Design +4 services10% E-Commerce Development10% UX/UI Design5% IT Managed Services5% Mobile & App MarketingSee all 29 projects14 Oranges Software is a mobile app and web development firm recognized for its comprehensive services, including app development, website design, and digital marketing solutions. Clients frequently commend their professional communication, timely delivery, and effective project management. Impressively, 90% of the feedback is positive, highlighting their responsiveness and ability to exceed expectations. Additionally, approximately 70% of reviewers appreciated their customer service and adaptability to specific client needs.
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$50,000+$100 - $149 / hr10 - 49Irvine, CA
Services provided
10% Enterprise App Modernization20% Custom Software Development20% Web Development +5 services15% Cloud Consulting & SI15% IT Staff Augmentation10% Mobile App Development5% Application Testing5% IT Strategy ConsultingSee 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
10% Enterprise App Modernization30% Custom Software Development10% API Development +5 services10% Application Testing10% DevOps Managed Services10% Microservices Architecture Services10% Mobile App Development10% Web DevelopmentSee 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
Services provided
10% Enterprise App Modernization45% Custom Software Development20% Web Development +2 services15% UX/UI Design10% Mobile App DevelopmentSee 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
10% Enterprise App Modernization40% Custom Software Development15% Mobile App Development +3 services15% Web Development10% AI Development10% CybersecuritySee 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
Services provided
10% Enterprise App Modernization40% Custom Software Development25% Mobile App Development +2 services15% Application Testing10% UX/UI DesignSee 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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$10,000+$50 - $99 / hr10 - 49Prague, Czech Republic
Services provided
20% Enterprise App Modernization40% Custom Software Development15% Mobile App Development +4 services10% Web Design5% AI Consulting5% AI Development5% IoT DevelopmentSee all 6 projectsRIGANTI software development specializes in Enterprise App Modernization, offering solutions such as microservices architecture for cloud-based platforms. The company receives overwhelmingly positive feedback, with 100% of reviewers appreciating their collaboration and timely delivery. Their alignment with client values and ability to meet budget constraints further distinguishes them.
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$5,000+$25 - $49 / hr10 - 49Adelaide, Australia
Services provided
20% Enterprise App Modernization20% Custom Software Development20% IT Staff Augmentation +3 services20% Mobile App Development10% AI Development10% Web DesignSee 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
20% Enterprise App Modernization30% Web Development25% Custom Software Development +2 services15% Mobile App Development10% E-Commerce DevelopmentSee 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+$100 - $149 / hr2 - 9Chicago, IL
Services provided
15% Enterprise App Modernization60% Mobile App Development15% Custom Software Development +1 service10% Web DevelopmentSee 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
Services provided
15% Enterprise App Modernization50% Product Design15% Mobile App Development +2 services10% Low/No Code Development10% Web DevelopmentSee all 13 projectsHapy Co is a versatile technology solutions provider, specializing in streamlining operations and enhancing user experiences through custom systems and mobile applications. With an 85% positive feedback rate, clients commend their transparency, customization capabilities, and effective communication. However, there is noted feedback for improvement in turnover speed, indicating room for efficiency enhancements.
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$75,000+$50 - $99 / hr50 - 249
Services provided
10% Enterprise App Modernization15% AI Agents15% AI Development +5 services15% Custom Software Development15% Engineering15% Generative AI10% IT Staff Augmentation5% Robotics Process AutomationSee 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
Services provided
10% Enterprise App Modernization20% Custom Software Development20% E-Commerce Development +4 services20% Mobile App Development20% Web Development5% Other Application Development5% Other IT Consulting and SISee 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
Services provided
10% Enterprise App Modernization60% Custom Software Development20% Web Development +1 service10% E-Commerce DevelopmentSee 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
Services provided
20% Enterprise App Modernization40% Custom Software Development25% Cloud Consulting & SI +3 services5% IT Strategy Consulting5% Other Application Development5% Web DevelopmentSee 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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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.
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