Top Legacy System Modernization Firms

Many core systems still run on COBOL, Visual Basic, old .NET or Java monoliths that few engineers can maintain and that cannot connect to modern tools. Legacy system modernization companies replace or rework them without stopping the business: they assess the codebase, choose between rehosting, refactoring, rearchitecting and rebuilding, then migrate data and users in stages. Companies hire them when vendors end support, when the last developer who knows the system is retiring, when security audits flag unsupported software, or when a new product needs APIs the old system cannot offer.

Compare the firms here on modernizations of your specific technology and on how they keep the old and new systems running side by side during the switch.

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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

4,482 Companies

List of the Best Legacy System Modernization Agencies

Unikove Technologies
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We aim to convert 'business ideas' into expertly developed Mobile and/or Web Applications through our comprehensive design and technology approach. As a leader in the mobile and web industry, we offer consulting services and a complete package solution for businesses, enabling our clients to gain a
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Noida, Uttar Pradesh, In
Services Provided+21 Services
5% Custom Web Application Development
3% API Development & Integration
1% Legacy System Modernization
1% ERP & CRM Development
AI Summary
“Unikove Technologies specializes in transforming business ideas into expertly crafted mobile and web applications, offering end-to-end consulting and solutions for competitive advantage in B2B and B2C markets.”
Kishul Solutions
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Kishul Solutions is a highly-rated IT company located in Mumbai, India, dedicated to helping businesses worldwide harness technology to achieve their maximum potential. Founded with a modest goal to support and assist clients, we identified a significant gap in the IT sector regarding market demand
Highlights
< $25/hr
Avg Hourly Rate
2-9
Employees
Services Provided
40% Mobile App Development (iOS & Android)
40% Custom Web Application Development
15% E-Commerce Development
5% Legacy System Modernization
AI Summary
“Kishul Solutions, a Mumbai-based IT firm, delivers comprehensive software development and digital marketing services, partnering with startups and enterprises globally to enhance operations and digital presence.”
Webkorps Services
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At Webkorps, we are a globally recognized IT Solutions Provider with over 8 years of demonstrated expertise, based in India and serving various international markets. We focus on providing customized, innovative software solutions that enable businesses, from nimble startups to large corporations, t
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
50-249
Employees
Indore, Madhya Pradesh, In
Services Provided+22 Services
2% Blockchain & Web3 Development
8% Custom Web Application Development
5% Mobile App Development (iOS & Android)
3% E-Commerce Development
AI Summary
“Webkorps Services is a global IT solutions provider offering innovative, customized software for diverse industries, fostering long-term partnerships to drive digital success and competitive advantage.”
Pirai Infotech
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We are a vibrant global organization specializing in digital transformation, bringing more than six years of experience in the IT sector. Our mission is to enable businesses through our complete range of solutions, cutting-edge engineering expertise, and in-depth industry knowledge. Pirai Infotech p
Highlights
50-249
Employees
New York, New York, Us
Services Provided+2 Services
25% Custom Web Application Development
20% Mobile App Development (iOS & Android)
5% Legacy System Modernization
20% Product UX Strategy
AI Summary
“Pirai Infotech is a global IT company offering comprehensive digital transformation solutions and managed services, leveraging over six years of expertise to advance diverse businesses technologically.”
Indata Global
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Indata Global stands out as a top player in the software sector, driven by years of industry expertise and a dedicated, enthusiastic team. Established in Istanbul in 2017, INDATA Industrial Data Technologies has evolved into Indata Global, committed to providing solutions to clients internationally.
Highlights
10-49
Employees
Services Provided+8 Services
10% Custom Web Application Development
7% Mobile App Development (iOS & Android)
3% CMS Development & Customization
7% ERP & CRM Development
AI Summary
“Indata Global is an experienced technology firm delivering custom software development, UI/UX design, CRM consulting, and IT automation solutions globally, enhancing enterprise modernization and business efficiency.”
Acklib
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Acklib is an innovative technology solutions provider based in Dubai, UAE, with a development center located in Lahore, Pakistan. We specialize in advanced software development, utilizing the latest technologies to create customized solutions that meet our clients' specific needs. Our committed team
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
10-49
Employees
Dubai, Dubayy, Ae
Services Provided+4 Services
8% Frontend Development
3% Legacy System Modernization
7% Backend Development
7% Custom Web Application Development
AI Summary
“Acklib is a Dubai-based technology company developing customized software solutions with a skilled team in Lahore, serving diverse industries through innovative and high-quality services.”
Inero Software
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We transform ideas into digital solutions. Our goal is to unlock innovative possibilities through advanced technologies and design. We enhance, rebrand, and redesign—driving development forward.
Highlights
$1,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Gdansk, Pomeranian, Pl
Services Provided+3 Services
18% Custom Web Application Development
10% Mobile App Development (iOS & Android)
10% Backend Development
7% Frontend Development
AI Summary
“Inero Software specializes in transforming ideas into innovative digital solutions by leveraging advanced technologies, design, and rebranding to drive development and unlock new possibilities.”
CyberHULL
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We are a global IT firm with offices in the United States, Portugal, and Armenia, specializing in customized software solutions to meet our clients' specific requirements. Our core values include professionalism, flexibility, discipline, quality, and transparency. We prioritize customer experience a
Highlights
50-249
Employees
Services Provided+5 Services
13% Custom Web Application Development
8% Mobile App Development (iOS & Android)
10% Backend Development
7% Frontend Development
AI Summary
“CyberHULL is a global IT firm providing tailored software development, IT staff augmentation, consulting, legacy modernization, and continuous support with a focus on quality and customer experience.”
Codazen
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Each day, the distinction between the digital realm and the physical world blurs a bit more. Technology is empowering both businesses and their customers to explore the world in increasingly thrilling ways. At Codazen, we believe that the digital experiences that are becoming an integral part of our
Highlights
$25,000+
Min Project Size
$150+/hr
Avg Hourly Rate
50-249
Employees
Irvine, California, Us
Services Provided+6 Services
5% Backend Development
4% Legacy System Modernization
10% Custom Web Application Development
6% Frontend Development
AI Summary
“Codazen designs seamless, engaging digital experiences that connect businesses, individuals, and their environments, bridging the physical and digital worlds to enhance everyday life.”
Ignitech Solutions
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Ignitech was established in 2021 by professionals with significant expertise in the financial sector and enterprise IT systems. Our varied IT roles, including senior management positions, have given us valuable perspectives on business transformations. This equips us to address complex challenges ef
Highlights
10-49
Employees
Zagreb, Grad Zagreb, Hr
Services Provided+3 Services
17% Custom Web Application Development
12% API Development & Integration
5% Legacy System Modernization
23% IT Staff Augmentation
AI Summary
“Ignitech Solutions offers tailored software development, consulting, and Agile transformation services to drive innovative business change, leveraging extensive financial and IT expertise for diverse client projects.”

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Top Legacy System Modernization Firms

List of the Best Legacy System Modernization Agencies

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