The modernization done right can elevate business efficiency and scalability, cut maintenance costs, improve security and compliance, expedite time-to-market, and prepare your systems for adopting new technologies. By contrast, strategic and tactical flaws in the modernization process can leave the hidden issues unattended and even exacerbate them, putting your operations at risk. Therefore, selecting a competent and professional modernization partner is crucial to your company’s prosperity.
This list of legacy software modernization companies in the USA outlines trustworthy vendors to help you make your choice.
Table of Contents
Corsac Technologies
- Legacy Stacks: .NET Framework, AngularJS (Angular 1.x), Xamarin, ASP.NET Web Forms, Monolithic architecture, JavaScript, jQuery, React Native, ASP.NET Web Forms, VB.NET, SQL Server Reporting Services (SSRS), JavaScript (ES5), Delphi, ColdFusion, COBOL, FoxPro
- Modern Alternatives: .NET Core/.NET, Angular, .NET MAUI, Blazor/WebAssembly, Microservices architecture, TypeScript, React/Vue/Angular, Flutter, ASP.NET Core MVC, C# .NET, Power BI/Tableau, JavaScript (ES6+), C#
- Rate: Undisclosed
- Team: 50 – 249
- Founded: 2007
- Location: USA, Europe
Corsac Technologies is one of the legacy software modernization companies that exercises a comprehensive approach to system transformation. They focus on a deep analysis of the existing systems to reveal and eliminate the true causes of tech stagnation. The Corsac team implements innovations only where they can bring real business results and preserve the functional elements, maximizing their capacity. Such an approach allows Corsac’s experts to save costs and construct powerful, scalable applications that can even outpace the current business demands. The company’s professional focus spans highly regulated sectors, such as healthcare, with strict adherence to HIPAA, HL7/FHIR, SOC2, GDPR, ISO, and other industry requirements.
Smartbridge
- Legacy Stacks: No
- Modern Alternatives: AWS, Azure, Docker, Python, Java, Node.js, .NET Core, and many others
- Rate: $150 – $199 / hour
- Team: 50 – 249
- Founded: 2003
- Location: United States
Smartbridge prioritizes an educated approach to system transformation, focusing on digital consulting. The company views digital maturity as the cornerstone of business resilience in the modern technology-driven environment. With thorough analytics and insights into the system’s operation and capabilities, Smartbridge helps its clients attain a strong competitive advantage. Their core services include cloud migration, intelligent automation, AI integration, and salesforce optimization. With over 22 years of experience, the company excels in the sectors including energy, life sciences, and food service.
TSRI
- Legacy Stacks:
- 35+ Languages
- COBOL, PL/1, JCL, CA-IDEAL, Ada, Fortran, and more
- Modern Alternatives: Java, C#, .NET Core, C++, and more
- Rate: Undisclosed
- Team: 50 – 249
- Founded: 1995
- Location: United States
The TSRI approach to legacy software modernization is powered by Composite AI, which combines deterministic AI and generative AI. Innovative technology prepares applications for advanced architectural environments, including cloud infrastructure. With over three decades of experience, the TSRI team guarantees technical mastery and domain proficiency to enable clients’ business expansion with minimal disruption to internal operations. The competent combination of refactoring and reengineering, together with process automation, drastically cuts the modernization timelines and minimizes mistakes. Instead, the clients get flexibility and the opportunity to innovate.
Aziro
- Legacy Stacks: No
- Modern Alternatives: Migrating apps to modern languages, architectures, and cloud platforms.
- Rate: Undisclosed
- Team: 1,300+
- Founded: 2007
- Location: India, United States
Aziro is a new name for MSys Technologies, the company that delivers a wide array of legacy systems modernization services. Well-versed in breakthrough technologies, Aziro’s team empowers businesses with AI/ML engineering, infrastructure automation, hybrid and multi-cloud engineering, DevOps, data visualization and analytics, and more. When modernizing applications, Aziro involves its own US Design Studio to craft optimal consumer journey maps. Their modernization approach includes the SaaS-based business model, together with the most advanced tech stack, to transform outdated software and workflows into powerful, future-prepared systems.
ModLogix
- Legacy Stacks: No
- Modern Alternatives: Microsoft .NET (C, Visual Basic, FoxPro), Azure, Java, MS Access, SQL Server.
- Rate: $25 – $49 / hour
- Team: 50 – 249
- Founded: 2014
- Location: United States, Ukraine
The ModLogics software modernization company empowers businesses by opening the hidden opportunities within their digital heritage. From system assessments and audits to software reengineering and rearchitecting, ModLogics provides the full range of legacy transformation services. With deep industry expertise and technical knowledge, the company’s team applies a granular approach with respect to each business’s individual risks, requirements, and needs. They work in the healthcare, insurance, finance, and marketing sectors, helping businesses from startups to large enterprises to attain stability and expansion.
Code District
- Legacy Stacks: No
- Modern Alternatives: Angular, React, Clojure, microservices, Cloud-ready systems, and many others
- Rate: $25 – $49 / hour
- Team: 250 – 999
- Founded: 2017
- Location: United States, Pakistan, Canada
Code District leverages AI and emerging technologies to address complicated business challenges. Their experts focus on wise transformation backed by a deep understanding of clients’ pains and smart technology implementation. Their AI systems are not simply built for automation; they reinvent business operations for competitive advantage and scalability. A keen industry expertise allows the Code District team to create secure systems for faster everyday operations and efficient deliveries. They specialize in healthcare, insurance, manufacturing, retail, and fintech.
The ultimate choice of a modernization service provider can be based on various professional and personal criteria, but it’s important to consider their attitude. A commitment to achieving your business goals combined with technical expertise, relevant experience, and industry insight truly sets a reliable partner apart — especially when it comes to complex software migration projects.
