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. Every profile sets out services, pricing, locations, and past work so you can compare on evidence. Use Edverise's filters to sort partners by budget, industry expertise, and location. Start comparing profiles to find the right match for your project.

How this list is built

We evaluate companies on verified profile data — services, pricing, locations, and portfolio. Client reviews are being collected. We may earn a fee for some placements. How we rank and verify

4,465 Companies

List of the Best Legacy System Modernization Agencies

Flowing CodeProfile set up by Edverise AI
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Flowing Code acts as your strategic technology ally, devoted to creating robust, high-performance enterprise applications that are closely aligned with your business objectives. Our dedication to excellence is backed by our ISO 9001:2015 certified development services, which guarantee a consistent,
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Santa Fe de la Vera Cruz, Santa Fe, Ar
Services Provided+2 Services
20% Custom Web Application Development
3% Mobile App Development (iOS & Android)
22% Backend Development
5% Legacy System Modernization
AI Summary
“Flowing Code, based in Argentina, delivers certified, high-quality enterprise Java applications featuring Spring Boot, Vaadin UIs, and DevOps practices, fostering scalable and reliable business solutions.”
Art Technology and SoftwareProfile set up by Edverise AI
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Art Technology and Software is a trusted digital transformation firm known for its successful endeavors in Artificial Intelligence, Data Analytics, and Digital Transformation. With over 20 years of experience, more than 1,000 successful projects, and clientele in over 20 countries, we assist organiz
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
250-999
Employees
Rickmansworth, England, Gb
Services Provided+8 Services
12% Legacy System Modernization
5% ERP & CRM Development
5% Mobile App Development (iOS & Android)
12% Custom Web Application Development
AI Summary
“Art Technology and Software specializes in AI, data analytics, digital engineering, and cloud consulting, delivering innovative, scalable solutions that drive business transformation across multiple industries globally.”
4DEVCODINGProfile set up by Edverise AI
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4DEVCODING is a software development company based in Portugal, specializing in creating innovative solutions for various industries. Our team consists of skilled and experienced professionals dedicated to delivering tailored solutions that cater to the specific needs of each client. By adopting a c
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Vila Verde, North, Pt
Services Provided+2 Services
15% Custom Web Application Development
13% Mobile App Development (iOS & Android)
5% E-Commerce Development
5% Legacy System Modernization
AI Summary
“4DEVCODING is a Portugal-based software company offering tailored web and mobile development, cloud solutions, process automation, and team outsourcing to help businesses innovate and grow.”
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QuantaBridge LabsProfile set up by Edverise AI
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QuantaBridge Labs is an expert engineering consultancy that assists fintech, retail, and financial services companies in updating their outdated infrastructure to be prepared for AI. We collaborate with CTOs and engineering leaders at Series A–C firms and mid-sized businesses looking to implement AI
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
2-9
Employees
Services Provided+3 Services
15% MLOps & Model Deployment Infrastructure
8% Cloud Consulting & SI
2% AI Strategy & Roadmap Consulting
20% Legacy System Modernization
AI Summary
“QuantaBridge Labs is a global engineering consultancy specializing in AI readiness, modernizing legacy infrastructure, and enhancing teams for fintech, retail, and financial services firms.”
Susco SolutionsProfile set up by Edverise AI
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Enhance your company's internal processes and stakeholder engagement with a tailored solution from Susco. Whether you require support to bolster your internal development team or need a standalone development resource, Susco is prepared to transform your business. We specialize in custom business so
Highlights
$50,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Harvey, Louisiana, Us
Services Provided+1 Services
23% Custom Web Application Development
20% Mobile App Development (iOS & Android)
7% Legacy System Modernization
30% IT Staff Augmentation
AI Summary
“Susco Solutions delivers customized business software and mobile applications, specializing in legacy migrations and client portals, partnering to enhance internal processes and stakeholder engagement.”
Glatzon SolutionProfile set up by Edverise AI
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Our company is located in southern Brazil and specializes in offering IT expertise and software development services to businesses. We maintain a round-the-clock monitoring team ready to assist with international projects. Additionally, we have a dedicated troubleshooting team to ensure the best sol
Highlights
$5,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Gaspar, Santa Catarina, Br
Services Provided+3 Services
25% Other IT Consulting and SI
15% Legacy System Modernization
15% HR Consulting Services
15% Recruitment & Staffing Services
AI Summary
“Glatzon Solution, based in southern Brazil, offers comprehensive IT expertise and software development services with 24/7 monitoring and dedicated troubleshooting for international businesses.”
Terveys Technology Solutions Pvt LtdProfile set up by Edverise AI
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We are a committed software services provider that focuses on software development projects for tech companies around the globe. Our enthusiasm is in building innovative software with cutting-edge technologies. Our Services: We provide a diverse array of software development services, which includ
Highlights
$1,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Kazhakkoottam, Kerala, In
Services Provided+10 Services
13% Mobile App Development (iOS & Android)
10% Legacy System Modernization
10% Custom Web Application Development
4% Custom AI Chatbot Development
AI Summary
“Terveys Technology Solutions Pvt Ltd. delivers innovative software development services globally, specializing in applications, cloud, mobile, legacy migration, and automated testing with advanced technologies.”
HashtechProfile set up by Edverise AI
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We provide high-quality software solutions for startups, medium-sized companies, and large corporations. Our skilled and experienced team of engineers is here to assist you in turning your business concepts into successful products while minimizing costs!
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Tbilisi, Tbilisi, Ge
Services Provided
40% Custom Web Application Development
30% Mobile App Development (iOS & Android)
15% E-Commerce Development
15% Legacy System Modernization
AI Summary
“Hashtech delivers high-quality custom software, mobile app development, e-commerce solutions, and application modernization, enabling businesses of all sizes to transform ideas into successful, cost-effective products.”
TopFlight DigitalProfile set up by Edverise AI
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TopFlight enhances the experimentation process for product and tech teams. We excel in creating and implementing A/B tests and feature experiments, guiding organizations away from assumption-driven approaches and fostering in-house technical skills and maturity. Our emphasis is on rapid testing and
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Burnley, England, Gb
Services Provided
30% Custom Web Application Development
30% API Development & Integration
10% Legacy System Modernization
30% QA & Software Testing
AI Summary
“TopFlight Digital specializes in enhancing experimentation for product teams by implementing A/B and feature tests, enabling rapid, data-driven decisions and developing in-house technical expertise across major platforms.”
Mavin AppsProfile set up by Edverise AI
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We specialize in the development of Mobile Apps, Web Apps, and Games. Our team consists of over 30 full-time developers who have successfully created more than 100 apps across various technologies, including native and cross-platform applications, responsive websites, and games. Our expertise includ
Highlights
$10,000+
Min Project Size
< $25/hr
Avg Hourly Rate
10-49
Employees
Chennai, Tamil Nadu, In
Services Provided+1 Services
50% Mobile App Development (iOS & Android)
10% E-Commerce Development
15% Backend Development
15% Frontend Development
AI Summary
“Mavin Apps develops high-quality mobile, web, and game applications with expertise in diverse technologies, delivering responsive, feature-rich solutions including streaming, real-time chat, payment, and analytics integration.”

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