Businesses that want to upgrade their legacy software to make it more scalable, secure, and efficient are placing the upgrading of legacy software as one of their most important projects (or priorities).
The push toward cloud native architectures (where applications are modular), artificial intelligence-powered automation (where robots do some of the work), and microservices (where applications are built from smaller pieces) has increased demand for dependable legacy software modernization partners.
These are 12 companies that will be at the forefront of legacy software modernization in 2026.
Cleveroad is a legacy software modernization firm that helps clients develop software solutions for modernising their current systems, redeveloping the architecture of existing software, and implementing new technologies like AI, IoT, and cloud computing into their operations. It provides legacy software modernization services that assist clients in modernising their technology.
Key areas of expertise include:
Instinctools focuses on providing a range of enterprise software transformation services to assist companies in upgrading older, outdated systems and boosting their overall company performance. Their focus includes providing cloud-based solutions, application reengineering, and highly scalable software solutions.
Main services provided by Instinctools:
Avenga assists companies in modernising their old technology infrastructure via cloud-native platforms to deliver efficient business applications through application migration to cloud platforms.
Primary Assistance Provided:
Orases provides services to assist with modernising software to suit today’s evolving needs through custom software development and improving security & operational efficiencies via upgrading legacy systems.
Primary Services Provided:
Endava offers enterprise-level software modernisation solutions aimed at helping you increase the level of ability to scale and be cost-effective in your business operations. Core principles of this organisation include digital transformation, agile delivery, and native to the cloud capabilities.
Main Offerings:
Icreon provides digital transformation and application modernization services that primarily focus on creating scalable enterprise solutions as well as customer-oriented digital experiences.
Key Services:
Persistent Systems offers digital engineering and production support services for businesses in the banking, healthcare, and telecommunications sectors.
Main Services:
Virtusa primarily places importance on optimizing its IT ecosystem for digital transformation through the development and modernization of enterprise applications. They provide modernization services to the financial, telecom, and healthcare industries.
Key Services:
CI&T assists businesses in improving their software systems through modernizing the business software systems that they use. Their methodology consists of agile, cloud native technology, and utilizing artificial intelligence to automate processes.
Strong points:
Nagarro provides a variety of services to help global enterprises with the modernisation of their software engines and with the service of engineering software. They offer an array of products and services that focus on cloud transformation, enterprise mobility, and platform modernisation.
Key services:
Coforge provides modernization solutions designed to enhance the efficiency and productivity of an organization’s legacy infrastructure, workflow processes, and digital transformation projects.
Their service offerings include:
Grid Dynamics focuses on helping companies undergo significant changes, such as moving their infrastructure to the cloud, reworking their platforms for modern usage, and producing AI-based software engineering to support enterprise customers.
Their service offerings are:
Finding the right partner for digital transformation is key to creating a successful project. Ideally, you will find a company that has both technical knowledge as well as an understanding of your objectives and goals.
Find a company that has a lot of experience investing in legacy systems, moving to the cloud, creating microservice architectures, and developing enterprise-level applications.
A partner with experience within your industry will have a better understanding of compliance requirements, standards for secure systems, and operational challenges.
Make sure you have reviewed the case studies of other customers to see if this partner delivered the expected level of service and productivity.
Be sure to choose a partner that has the ability to offer you continued support, a business that can grow with yours, and ongoing operational optimization once legacy system modernization is completed.
Businesses around the world are continuing to modernise their existing systems; choosing a technology partner increasingly makes this process easier to execute. Each of the companies reviewed provides a strong portfolio of capabilities: Cloud Migration, Application Transformation, AI Integration, and Scalable Software Development.
In the year 2026, investing in legacy modernisation will remain a priority for organisations looking to improve performance, enhance security, and build a long-term future through digital growth.
Alex reviews AI tools hands-on, testing features, pricing, and real-world use cases to help creators, founders, and teams choose the right tools with confidence.
