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 8, 2026

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4,444 Companies

List of the Best Legacy System Modernization Agencies

Build With AssemblyProfile set up by Edverise AI
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Build With Assembly is a consultancy in software engineering that aids prominent enterprises and ambitious scale-ups in managing swift digital transformation. Rooted in simplicity, we develop, modernize, and operate cloud-native software that adapts alongside your business. Our high-performing team
Highlights
$100,000+
Min Project Size
50-99
Avg Hourly Rate
10-49
Employees
Toronto, Ontario, Ca
Services Provided+1 Services
85% Custom Web Application Development
15% Legacy System Modernization
70% Cloud Consulting & SI
30% IT Staff Augmentation
AI Summary
“Build With Assembly is a software engineering consultancy delivering cloud-native solutions across product development, cloud infrastructure, and managed services, enabling enterprises to accelerate digital transformation and innovation.”
AgileDevServicesProfile set up by Edverise AI
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AgileDevServices is a global IT service provider based in Lithuania, with offices in the Netherlands and the USA. Our company is characterized by efficient processes and a strong culture. The project management standards and services we offer are based on Agile (Scrum) and extreme programming (XP) p
Highlights
$5,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Vilnius, Lt
Services Provided+4 Services
10% Legacy System Modernization
15% API Development & Integration
30% Backend Development
20% QA & Software Testing
AI Summary
“AgileDevServices is a global IT service provider specializing in Agile and extreme programming methodologies, delivering efficient and culturally strong project management and software development services.”
Swip SystemsProfile set up by Edverise AI
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Swip Systems is a software and application development firm located in Collinsville, IL, offering a wide range of B2B services, including web and mobile app development, custom software solutions, ERP consulting, cloud storage, business due diligence, robotic process automation, and business process
Highlights
$5,000+
Min Project Size
150+
Avg Hourly Rate
10-49
Employees
Collinsville, Illinois, Us
Services Provided
45% Custom Web Application Development
45% Mobile App Development (iOS & Android)
10% Legacy System Modernization
100% Robotic Process Automation (RPA)
AI Summary
“Swip Systems, based in Collinsville, IL, provides comprehensive B2B IT services including custom software, mobile apps, ERP consulting, cloud, and automation solutions to enhance business operations.”
SpecbeeProfile set up by Edverise AI
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We are a team of specialists entirely focused on Drupal, using it to develop digital content management solutions that address various business and organizational challenges. Specifically, at Specbee, we have supported online projects for some of the world's largest companies. Our clients include Ge
Highlights
$10,000+
Min Project Size
50-99
Avg Hourly Rate
50-249
Employees
Atlanta, Georgia, Us
Services Provided+4 Services
40% Custom Web Application Development
25% Backend Development
25% Frontend Development
10% Legacy System Modernization
AI Summary
“Specbee specializes in Drupal-based digital solutions, offering enterprise-grade web and application development with expertise in cloud infrastructure and headless architectures for diverse global clients.”
Aelias ConsultingProfile set up by Edverise AI
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Aelias Consulting is a contemporary technology partner designed for growing companies that lack the resources to manage ineffective systems. Located in the Chicagoland area, we collaborate with mid-sized businesses experiencing rapid growth, struggling to keep up with their IT needs, dealing with sh
Highlights
$1,000+
Min Project Size
50-99
Avg Hourly Rate
2-9
Employees
Schaumburg, Illinois, Us
Services Provided+18 Services
30% Custom Web Application Development
35% Legacy System Modernization
10% Mobile App Development (iOS & Android)
10% E-Commerce Development
AI Summary
“Aelias Consulting partners with growing mid-sized businesses to modernize IT systems, enhance security, automate processes, and integrate cloud solutions, improving efficiency and enabling scalable growth.”
GigaNeoProfile set up by Edverise AI
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GigaNeo is a development company specializing in enterprise software and gaming. Since 2009, we have been creating various products, including social networks, construction applications, space technology, fintech solutions, automotive software, and games, delivering over 100 projects to retail clien
Highlights
$5,000+
Min Project Size
25-49
Avg Hourly Rate
2-9
Employees
Prague, Cz
Services Provided+2 Services
40% Custom Web Application Development
30% Mobile App Development (iOS & Android)
15% Legacy System Modernization
15% QA & Software Testing
AI Summary
“GigaNeo is a versatile development company offering enterprise software and gaming solutions across industries like fintech, automotive, and space technology since 2009, serving clients globally.”
IntermodeProfile set up by Edverise AI
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**Intermode: Innovative Software Consultancy for Logistics and Supply Chain Leaders** At Intermode, we support logistics and supply chain organizations in creating, developing, and implementing tailored software that addresses genuine operational issues. Prominent companies such as Procter & Gambl
Highlights
$10,000+
Min Project Size
150+
Avg Hourly Rate
10-49
Employees
Henderson, Nevada, Us
Services Provided+4 Services
30% Mobile App Development (iOS & Android)
50% Custom Web Application Development
20% Legacy System Modernization
15% Custom AI Chatbot Development
AI Summary
“Intermode delivers bespoke software solutions for logistics and supply chain organizations, specializing in UX/UI design, custom development, legacy modernization, and AI integration to enhance operational efficiency.”
IT RockProfile set up by Edverise AI
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IT Rock | Experts in Loyalty Architecture | Web3 & Blockchain | Tech Collaborators We create innovative digital products that challenge conventions. Our focus is on developing loyalty frameworks for businesses by merging the capabilities of Web3 with the reliability of Blockchain technology. At IT R
Highlights
$10,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Buenos Aires, Ar
Services Provided+3 Services
15% Custom Web Application Development
5% Legacy System Modernization
10% E-Commerce Development
40% Blockchain & Web3 Development
AI Summary
“IT Rock specializes in innovative Web3 and Blockchain-based loyalty frameworks, transforming traditional benefits programs into scalable digital platforms that enhance retention, engagement, and revenue.”
A
Analysis & Information ServicesProfile set up by Edverise AI
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Ethical Accounting & ERP Solutions That Adapt to You We focus on creating, developing, and implementing tailored software solutions that meet the unique requirements of each business. Our aim is to enhance automation using industry best practices, facilitating scalability and market expansion typic
Highlights
$25,000+
Min Project Size
50-99
Avg Hourly Rate
2-9
Employees
Lutherville-Timonium, Maryland, Us
Services Provided
50% Custom Web Application Development
40% ERP & CRM Development
10% Legacy System Modernization
100% ERP Consulting and SI
AI Summary
“Analysis & Information Services develops tailored ethical accounting and ERP software solutions, enhancing automation for scalable business growth, partnered with AccountMate Elite and Microsoft.”
RedfootProfile set up by Edverise AI
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We focus on permanently enhancing existing software development teams and prefer collaborating with companies that have product owners or managers capable of independently managing their software development lifecycle for long-term projects, products, or services. Build a team that is genuinely your
Highlights
$1,000+
Min Project Size
<25
Avg Hourly Rate
10-49
Employees
London, England, Gb
Services Provided+4 Services
10% Mobile App Development (iOS & Android)
50% Custom Web Application Development
10% E-Commerce Development
20% Legacy System Modernization
AI Summary
“Redfoot is a UK-based software development firm offering mobile, web, e-commerce, blockchain, and modernization services with UI/UX design expertise, focusing on augmenting clients' in-house teams for long-term projects.”

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