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 9, 2026

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4,444 Companies

List of the Best Legacy System Modernization Agencies

Telliant Systems, LLCProfile set up by Edverise AI
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Telliant Systems is an Atlanta-based software product development firm with extensive expertise across various industries. We collaborate with clients to design, create, and deploy robust, scalable, and reliable software applications. Our range of services includes: Software Product Development, Hea
Highlights
$50,000+
Min Project Size
25-49
Avg Hourly Rate
50-249
Employees
Alpharetta, Georgia, Us
Services Provided+5 Services
40% Custom Web Application Development
30% Mobile App Development (iOS & Android)
20% Legacy System Modernization
10% QA & Software Testing
AI Summary
“Telliant Systems, LLC is an Atlanta-based software firm delivering custom development, UX/UI design, AI automation, and modernization services across industries as a trusted Microsoft Gold Partner.”
ATEAM SOFT SOLUTIONSProfile set up by Edverise AI
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Ateam Soft Solutions is an Indian web development firm that creates impactful, revenue-generating digital products for clients around the world. We collaborate with startups, mid-sized companies, and large enterprises seeking a reliable technology partner in India. Our U.S. office, overseen by our C
Highlights
$10,000+
Min Project Size
<25
Avg Hourly Rate
250-999
Employees
Thiruvananthapuram, Kerala, In
Services Provided+19 Services
15% Backend Development
7% Legacy System Modernization
15% Mobile App Development (iOS & Android)
8% ERP & CRM Development
AI Summary
“Ateam Soft Solutions is an ISO-certified Indian software firm delivering secure, quality web and mobile solutions globally, serving diverse sectors with expert teams and top industry recognition.”
ONE Technology ServicesProfile set up by Edverise AI
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OTS is a leading provider of quality IT services and solutions tailored to meet the varied needs of businesses. Our skilled team of experienced professionals is dedicated to developing robust, intuitive, and reliable software applications that fulfill our clients' requirements and often exceed their
Highlights
$5,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Irving, Texas, Us
Services Provided+4 Services
15% Frontend Development
10% Legacy System Modernization
20% Backend Development
35% Custom Web Application Development
AI Summary
“ONE Technology Services delivers custom software development, IT consulting, and UI/UX design through skilled professionals, ensuring robust, user-friendly solutions with competitive pricing and timely delivery.”
NoSoloSoftwareProfile set up by Edverise AI
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We are a fully Spanish company that leverages cutting-edge technologies to enhance our clients' competitiveness. Our expertise lies in the conceptualization, development, and implementation of technology-driven products focused on market needs, achieving significant successes in sectors like banking
Highlights
$100,000+
Min Project Size
25-49
Avg Hourly Rate
50-249
Employees
Cordoba, Andalusia, Es
Services Provided+11 Services
25% Custom Web Application Development
15% Frontend Development
15% Backend Development
10% Legacy System Modernization
AI Summary
“NoSoloSoftware is a Spanish tech company specializing in innovative product development and digital transformation across banking, security, legal, transport, industry, and agriculture sectors, enhancing client competitiveness.”
LibrixSoftProfile set up by Edverise AI
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We focus on creating adaptable, tailored software solutions that promote business expansion. Located in Mexico, our consultancy merges technical expertise with a thorough comprehension of business principles. We collaborate with organizations to provide top-notch web platforms, enterprise services,
Highlights
$5,000+
Min Project Size
50-99
Avg Hourly Rate
2-9
Employees
Services Provided+1 Services
50% Custom Web Application Development
35% API Development & Integration
15% Legacy System Modernization
70% Cloud Consulting & SI
AI Summary
“LibrixSoft, based in Mexico, delivers tailored software solutions and digital transformation services, combining technical expertise and business insight to support scalable web platforms and enterprise systems.”
CleverCrewProfile set up by Edverise AI
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Since 2015, we've been assisting numerous companies in developing and enhancing their software products. Our strategy involves collaborating with a team that selects its projects thoughtfully. We focus on work that aligns with our expertise and capabilities, while politely declining projects that do
Highlights
$5,000+
Min Project Size
25-49
Avg Hourly Rate
10-49
Employees
Krakow, Lesser Poland, Pl
Services Provided+2 Services
40% Mobile App Development (iOS & Android)
50% Custom Web Application Development
10% Legacy System Modernization
30% UX Audit & Heuristic Evaluation
AI Summary
“Since 2015, CleverCrew has partnered with companies to develop and improve software products, selectively engaging in projects that align with their expertise and strengths.”
EiBS - Software Development CompanyProfile set up by Edverise AI
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EiBS is a prominent software development firm located in India, with a significant presence in the United States through our Houston, Texas office. We focus on providing sophisticated solutions in CRM, ERP, HRM, IoT, SaaS, and mobile app development, aimed at helping contemporary businesses optimize
Highlights
$5,000+
Min Project Size
50-99
Avg Hourly Rate
250-999
Employees
Madurai, Tamil Nadu, In
Services Provided+4 Services
20% Custom Web Application Development
25% Mobile App Development (iOS & Android)
10% E-Commerce Development
35% ERP & CRM Development
AI Summary
“EiBS is a global software development firm specializing in CRM, ERP, HRM, IoT, SaaS, and mobile apps, delivering customized, scalable digital solutions that optimize business operations and drive growth.”
zen8labsProfile set up by Edverise AI
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Create your technology using the best talents. We facilitate success through innovation.
Highlights
$25,000+
Min Project Size
50-99
Avg Hourly Rate
50-249
Employees
Hanoi, Vn
Services Provided+5 Services
25% Mobile App Development (iOS & Android)
10% Legacy System Modernization
25% Backend Development
20% Frontend Development
AI Summary
“Zen8labs empowers innovation by connecting businesses with top technology talents, fostering success through tailored, cutting-edge solutions across various industries.”
S
SonicodeProfile set up by Edverise AI
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Sonicode is a software development firm located in Ukraine, established in 2022. We focus on scalable SaaS solutions, fintech platforms, and enterprise web applications. With a team of up to 10 experienced engineers, we offer the personalized service of a boutique studio combined with the technical
Highlights
$5,000+
Min Project Size
25-49
Avg Hourly Rate
2-9
Employees
Poltava, Ua
Services Provided+1 Services
35% Custom Web Application Development
25% API Development & Integration
30% SaaS Product Development
10% Legacy System Modernization
AI Summary
“Sonicode, a Ukrainian boutique studio since 2022, delivers scalable SaaS, fintech, and enterprise web solutions with senior expertise, emphasizing clean architecture and long-term client partnerships across Western Europe.”
RKNN GmbHProfile set up by Edverise AI
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We are a compact development team based in Germany. We create top-notch web and mobile applications using the latest technologies. Additionally, we assist companies in grasping web and mobile technologies and provide support to their internal development teams that work with these platforms.
Highlights
$5,000+
Min Project Size
50-99
Avg Hourly Rate
2-9
Employees
Services Provided+1 Services
45% Custom Web Application Development
40% Mobile App Development (iOS & Android)
10% Legacy System Modernization
5% Other IT Consulting and SI
AI Summary
“RKNN GmbH, a Germany-based expert team, delivers custom web and mobile applications, UI/UX design, enterprise modernization, and IT consulting, enhancing technology adoption and development support.”

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