Modernization Strategy & Governance

Thoughtworks is a global technology consultancy headquartered in Chicago. It was taken private by Apax Funds in a transaction announced complete on November 13, 2024. Martin Fowler, who works at Thoughtworks, named and described the Strangler Fig pattern after watching colleagues modernize legacy systems gradually. Its published client work centres on re-architecture and incremental modernization.

Slalom takes a "strategy-first" approach, aligning the business case for modernization with the technical execution. It has partnerships with AWS, Azure, and Google Cloud.

PwC is a global professional services firm with a Governance, Risk, and Compliance (GRC) practice. It builds large-scale data governance frameworks for regulated industries.

McKinsey Digital advises clients on digital transformation. Its modernization strategy services focus on business outcomes, organizational change management, and long-term value creation, often for C-suite audiences.

Deloitte combines business strategy with technical execution in its modernization work. It works in complex, regulated environments where risk management and business continuity matter as much as the code conversion itself.

Accenture is a global professional services firm with a mainframe modernization practice. It combines strategic consulting with large-scale delivery and partnerships with the major cloud providers. Its "myNav" platform is used to chart migration paths.