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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4,482 Companies

List of the Best Legacy System Modernization Agencies

SoftGroup
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SoftGroup is an international software firm that aids the Pharmaceutical and MedTech sectors in adapting their operations to meet the challenges of the modern economy. With 20 years of experience, SoftGroup has established itself as a trusted partner for serialization, aggregation, and traceability,
Highlights
$250,000+
Min Project Size
50-249
Employees
Sofia, Sofia, Bg
Services Provided
40% Custom Web Application Development
10% Legacy System Modernization
50% Managed IT Services
AI Summary
“SoftGroup is a trusted international software firm specializing in serialization, aggregation, and traceability solutions for pharmaceutical and MedTech industries, serving diverse clients globally for 20 years.”
Polaris Solutions, LLC
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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
12% Custom Web Application Development
18% Legacy System Modernization
4% Blockchain & Web3 Development
33% 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.”
ZIPL Web Studio
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ZIPL Web Studio consists of a highly skilled group of talented designers and developers. Every project presents an opportunity for us to surpass our own standards for your advantage.
Highlights
$5,000+
Min Project Size
$25-49/hr
Avg Hourly Rate
2-9
Employees
Odesa, Odesa, Ua
Services Provided+4 Services
13% Legacy System Modernization
20% Custom Web Application Development
7% Wireframing & Prototyping
7% Interaction Design
AI Summary
“ZIPL Web Studio is a team of talented designers and developers committed to delivering high-quality projects that consistently exceed industry standards for client benefit.”
Boldare
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Boldare – Prioritizing people, enhanced by AI, digital product creators We develop digital products at all stages of their lifecycle — from initial MVPs and achieving product-market fit to expanding platforms and exploring new markets. We also address intricate engineering issues, such as system mig
Highlights
$25,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
50-249
Employees
Gliwice, Silesian, Pl
Services Provided+3 Services
17% Custom Web Application Development
7% E-Commerce Development
10% Legacy System Modernization
33% Product UX Strategy
AI Summary
“Boldare develops and modernizes digital products using AI-enhanced engineering and design excellence, serving mid-sized to large companies to achieve scalable, high-quality technology solutions.”
BeyondITL Inc.
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Beyond Innovations & Technologies is an IT strategy consulting firm with clients and offices in North America and Asia. We assist government agencies, educational institutions, and healthcare organizations in the design, development, and maintenance of IT projects. Additionally, we collaborate with
Highlights
$10,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Services Provided+3 Services
70% Mobile App Development (iOS & Android)
5% AR/VR & Mixed Reality Services
5% E-Commerce Development
5% Legacy System Modernization
AI Summary
“BeyondITL Inc. is an IT strategy consulting firm specializing in government, education, and healthcare IT projects and mobile app development across iOS and Android platforms.”
ITAC
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ITAC es una empresa colombiana especializada en tecnología y consultoría, enfocada en seguridad y alta ingeniería. Desde 2004, hemos colaborado con organizaciones medianas y grandes para facilitar su evolución tecnológica sin errores, reprocesos ni retrasos que afecten su operación. Nuestro enfoque
Highlights
50-249
Employees
Services Provided+1 Services
30% Software Development Services
30% Cybersecurity Services
15% Legacy System Modernization
15% Other IT Consulting and SI
AI Summary
“ITAC is a Colombian technology and consulting firm specializing in secure software development, information security, AI-driven observability, and cloud-native automation to enable efficient, error-free digital transformation.”
Dalmet Technologies LLC
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Dalmet Technologies develops robust software solutions that emphasize both form and function. Our specialized knowledge encompasses the design, development, implementation, and upkeep of enterprise web applications, mobile apps, cloud infrastructures, and data management systems. Our experienced tea
Highlights
$5,000+
Min Project Size
$50-99/hr
Avg Hourly Rate
10-49
Employees
Pimpri-Chinchwad, Maharashtra, In
Services Provided
45% Custom Web Application Development
35% Mobile App Development (iOS & Android)
10% Blockchain & Web3 Development
10% Legacy System Modernization
AI Summary
“Dalmet Technologies specializes in designing, developing, and maintaining enterprise web and mobile applications, cloud infrastructures, and data systems, collaborating with diverse clients to meet their objectives.”
Divum Corporate Services Pvt Ltd
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Divum focuses on new product development (NPD) and supports major brands, enterprises, OEMs, and startups throughout their product development process, covering areas such as Design, Web, Mobile, Cloud, Analytics, IoT, and Blockchain solutions. We are a Certified Amazon Standard Consulting Partner a
Highlights
$10,000+
Min Project Size
$100-149/hr
Avg Hourly Rate
50-249
Employees
Bengaluru, Karnataka, In
Services Provided+14 Services
18% Software Development Services
12% Legacy System Modernization
12% Mobile App Development (iOS & Android)
10% Blockchain & Web3 Development
AI Summary
“Divum Corporate Services Pvt Ltd. specializes in comprehensive product development and technology solutions across sectors, leveraging expertise in design, web, mobile, cloud, IoT, and blockchain, with global certifications.”
Augmatiks
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Augmatiks is an IT initiative of the Newtier Group, a diverse conglomerate that has been a leader in IT excellence for the past seven years. Established in 2012 by leading IT professionals, we possess significant technological knowledge and experience in unconventional sectors such as manufacturing,
Highlights
$5,000+
Min Project Size
< $25/hr
Avg Hourly Rate
50-249
Employees
Noida, Uttar Pradesh, In
Services Provided+4 Services
10% Mobile App Development (iOS & Android)
8% E-Commerce Development
20% Custom Web Application Development
18% Backend Development
AI Summary
“Augmatiks, part of Newtier Group, leverages extensive IT expertise across diverse industries to drive digital transformation and integrate IoT solutions, enhancing business technology and brand development.”
ITX Corp.
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ITX assists medium to large businesses in overcoming intricate challenges by developing products that foster trust, loyalty, and advocacy through software solutions. Established 25 years ago, our international team comprises hundreds of skilled product experts and technology specialists from the Ame
Highlights
250-999
Employees
Rochester, New York, Us
Services Provided+2 Services
30% Custom Web Application Development
13% Legacy System Modernization
8% CMS Development & Customization
25% Product UX Strategy
AI Summary
“ITX Corp. delivers expert software solutions to medium and large businesses globally, fostering trust and loyalty through innovative product development and specialized technology expertise.”

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Top Legacy System Modernization Firms

List of the Best Legacy System Modernization Agencies

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