Deloitte

Big Four professional services network.

📍 London, England, United Kingdom

Deloitte is a multinational professional services network, recognized as one of the Big Four accounting firms and the largest by revenue and employee count, with its foundations dating back to 1845. The firm provides comprehensive services including audit, consulting, financial advisory, risk management, tax, and legal services. Deloitte operates globally in over 150 locations, with its headquarters in London, England. The organization employs approximately 470,000 people worldwide, with a significant focus on its US operations. Deloitte's service offerings are expanded through divisions like Deloitte Digital, which specializes in digital strategy and transformation consulting. The firm's professional network also includes its US and Global branches, and its competitors include EY and KPMG. In recent times, Deloitte has faced workforce adjustments, including laying off U.S. workers in government consulting and advisory services following demands for federal cost-cutting. Deloitte has also been involved in various projects, including providing modelling on the economic impact of the climate crisis and reporting on industrial competitiveness in the EU.