- Group Governance & Execution
- Deloitte Tohmatsu LLC
- Audit & Assurance / Risk Advisory
- Deloitte Touche Tohmatsu LLC
- Deloitte Tohmatsu Cyber LLC
- Deloitte Tohmatsu Risk Services Co., Ltd.
- Deloitte Tohmatsu Sustainability Co., Ltd.
- Consulting
- Deloitte Tohmatsu Consulting LLC
- A-frame Co., Ltd.
- Financial Advisory
- Deloitte Tohmatsu Financial Advisory LLC
- Deloitte Tohmatsu Human Resources Co., Ltd.
- Deloitte Tohmatsu Property Risk Solution Co., Ltd.
- Deloitte Tohmatsu Venture Support Co., Ltd.
- Deloitte Tohmatsu MIC Research Institute Co., Ltd.
- Creative Intelligence Associates Inc.
- TOKYO M&A Co., Ltd.
- Tax & Legal
- Deloitte Tohmatsu Tax Co.
- DT Legal Japan
- Deloitte Tohmatsu Immigration Co.
- Deloitte Tohmatsu Talent Platform Co., Ltd.
- Deloitte Tohmatsu Social Insurance and Labor Advisors Co.
- Corporate
- Deloitte Tohmatsu Corporate Solutions LLC
- Deloitte Tohmatsu Services Co., Ltd.
- Tohmatsu Challenged Co., Ltd.
- Laboratories
- Deloitte Tohmatsu Advanced Research Laboratory of Cyber Security
