Deloitte Tohmatsu

Professional Services · Audit & Assurance · Consulting · Tax & Legal

Deloitte Tohmatsu is a group of separate professional-services entities in Japan and a member of the Deloitte network. Its businesses cover audit and assurance; consultative services spanning strategy, risk, transactions, technology and transformation; and tax and legal services for private companies, listed enterprises and public-sector organizations.

The group earns professional fees from client engagements, including audits, advisory projects, technology implementation and operations, tax compliance and consulting, and legal work. It reported total business revenue of ¥390.791 billion for FY2025, covering June 2024 through May 2025.