Top Legacy System Modernization Companies

A high-performing Legacy System Modernization solution can accelerate growth, boost customer engagement, and create new revenue streams—but only if it's built by a team you trust. Edverise makes it easy to connect with leading Legacy System Modernization companies around the globe. Providers and reviews are vetted extensively to ensure that we capture verified client feedback, project details, and measurable results. Use Edverise's filters to sort partners by budget, industry expertise, and location. Start comparing profiles to find the right match for your project.

Ratings Updated: August 7, 2026

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4,444 Companies

List of the Best Legacy System Modernization Agencies

CloudPostProfile set up by Edverise AI
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We are a global remote team based in Romania, with members who possess extensive experience in major international companies across the US, Europe, and Asia. The services we provide include:
Highlights
$5,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Timisoara, Timis, Ro
Services Provided+2 Services
40% Cloud Consulting & SI
30% Machine Learning Model Development
20% AI Strategy & Roadmap Consulting
10% Other IT Consulting and SI
AI Summary
“CloudPost is a global remote team specializing in AI-driven automation, custom software development, and enterprise app modernization, delivering innovative digital solutions across diverse industries.”
Wigi SoftwaresProfile set up by Edverise AI
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We are a software company that employs cutting-edge tools to develop scalable, reliable, and distributed software, including web applications and enterprise solutions, guided by a strong belief in an agile approach. By integrating creativity, technology, and expertise, we assist our clients in makin
Highlights
$5,000+
Min Project Size
<25
Avg Hourly Rate
2-9
Employees
Services Provided
25% Mobile App Development (iOS & Android)
45% Custom Web Application Development
15% E-Commerce Development
15% Legacy System Modernization
AI Summary
“Wigi Softwares develops scalable, reliable web and enterprise software using agile methodologies, combining creativity and technology to deliver impactful, distributed solutions for diverse business needs.”
JAVI solutionsProfile set up by Edverise AI
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We provide digital solutions and innovations that enhance productivity and lower costs for our clients. The solutions we offer are consistently at the forefront of the industry. Our primary focus is on software development for customers in various market segments.
Highlights
$10,000+
Min Project Size
50-99
Avg Hourly Rate
2-9
Employees
Bratislava, Bratislava, Sk
Services Provided
40% Custom Web Application Development
10% Legacy System Modernization
25% Backend Development
25% Frontend Development
AI Summary
“JAVI solutions, based in Slovakia, delivers innovative custom software and enterprise app modernization services, enhancing productivity and reducing costs across diverse industries.”
Seven Hills TechnologyProfile set up by Edverise AI
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Seven Hills Technology is a custom software development and product agency focused on helping businesses transform their ideas, resolve operational challenges, and modernize legacy systems into scalable software products and platforms. Located in Cincinnati, we collaborate with organizations that re
Highlights
$5,000+
Min Project Size
10-49
Employees
Cincinnati, Ohio, Us
Services Provided+2 Services
50% Custom Web Application Development
20% Mobile App Development (iOS & Android)
30% Legacy System Modernization
60% Product UX Strategy
AI Summary
“Seven Hills Technology delivers custom software, UX/UI design, and operational consulting, transforming ideas into scalable solutions that align business goals with user needs and technology.”
CodeWalnutProfile set up by Edverise AI
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The Chief Information Officer (CIO) of a company faces the significant challenge of leading the business effectively in the digital and AI era. Transitioning to digital requires tailored web and mobile applications that integrate seamlessly with the enterprise ecosystem. CodeWalnut specializes in de
Highlights
$50,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Services Provided+2 Services
35% Custom Web Application Development
10% E-Commerce Development
20% Mobile App Development (iOS & Android)
15% Legacy System Modernization
AI Summary
“CodeWalnut specializes in custom web and mobile application development, integrating modern technologies and AI tools to deliver tailored digital solutions for enterprise modernization and e-commerce.”
AppbiquityProfile set up by Edverise AI
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Appbiquity is a fast-growing IT consulting company dedicated to providing high-quality services and products in the mobile industry. We assist clients in recognizing opportunities and risks that address both short-term challenges and long-term value creation. By choosing us, you'll gain access to an
Highlights
$1,000+
Min Project Size
50-99
Avg Hourly Rate
250-999
Employees
Services Provided
10% Blockchain & Web3 Development
60% Mobile App Development (iOS & Android)
25% Custom Web Application Development
5% Legacy System Modernization
AI Summary
“Appbiquity is a global IT consulting firm offering comprehensive mobile, web, game, and enterprise app development services along with Salesforce solutions and marketing expertise.”
VietlinkProfile set up by Edverise AI
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We are among the leading software development firms in Vietnam, renowned for our high-quality standards that satisfy the stringent requirements of premier communication companies in Japan.
Highlights
$5,000+
Min Project Size
10-49
Employees
Ho Chi Minh City, Vn
Services Provided
25% Mobile App Development (iOS & Android)
40% Custom Web Application Development
25% QA & Software Testing
10% Legacy System Modernization
AI Summary
“Vietlink is a leading Vietnamese software development firm known for delivering high-quality solutions that meet the rigorous standards of top Japanese communication companies.”
Polaris Solutions, LLCProfile set up by Edverise AI
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Polaris Solutions is a contemporary software solutions company that offers services in application modernization, agile enablement, and Azure DevOps consulting.
Highlights
50-249
Employees
St. Louis, Missouri, Us
Services Provided+1 Services
35% Custom Web Application Development
55% Legacy System Modernization
10% Blockchain & Web3 Development
100% Cloud Consulting & SI
AI Summary
“Polaris Solutions, LLC. specializes in modernizing applications, enabling agile methodologies, and providing Azure DevOps consulting to enhance software development and operational efficiency.”
pep.digital GmbHProfile set up by Edverise AI
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pep.digital is your strategic ally for bespoke digitalization initiatives that enhance efficiency and innovation in medium and large organizations. We recognize that standard software often fails to meet complex needs. Thus, we create customized web and mobile applications, robust backend systems, a
Highlights
$5,000+
Min Project Size
100-149
Avg Hourly Rate
10-49
Employees
Esslingen am Neckar, Baden Wurttemberg, De
Services Provided
40% Custom Web Application Development
25% Mobile App Development (iOS & Android)
25% API Development & Integration
10% Legacy System Modernization
AI Summary
“pep.digital GmbH specializes in custom digital solutions—web, mobile, backend, AI, and integrations—to modernize processes, enhance products, and deliver measurable business value for medium and large enterprises.”
FELGO GmbHProfile set up by Edverise AI
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Felgo offers components, tools, and professional services for creating applications across Mobile, Desktop, and Embedded platforms. With the Felgo SDK, you can save both time and money: it enhances the widely-used Qt framework with over 200 APIs, significantly reducing development time by 50-70% and
Highlights
$5,000+
Min Project Size
100-149
Avg Hourly Rate
10-49
Employees
Vienna, Vienna, At
Services Provided
60% Mobile App Development (iOS & Android)
30% Custom Web Application Development
10% Legacy System Modernization
AI Summary
“Felgo GmbH provides a comprehensive SDK enhancing Qt framework for efficient multi-platform app development with advanced integrations, plus expert professional services for quality and timely delivery.”

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