Komiyama & Co.
Komiyama & Co. CPAs was established in 1959 in Tokyo and now has five partners, ten managers and 65 professional staffs. Our highly qualified team includes CPAs in Japan and USA, licensed tax professionals and licensed social security professionals. The international division of Komiyama & Co. CPAs has extensive cross-border transactions experience, especially inbound into Japan.Tokyo, Minato-ku (Main Office)
Contact information
Partners/principals

Mitsuru Komiyama
Key contact- Technical specialisations
- Accounting, Audit & Assurance, Mergers & Acquisition, Payroll, Tax: Commercial, Tax: International
- Member of
- ESG Support Group, Region: Asia, M&A Specialist Group

Keiko Komiyama
- Technical specialisations
- Accounting, Advisory / Consulting, Audit & Assurance, Family office, Internal controls, Mergers & Acquisition
- Member of
- Family Office Specialist Group, International Tax and Transfer Pricing Group, Outsourcing Community Project, M&A Specialist Group, Region: Asia, Women Who Lead Group

Yusuke Fujita
- Technical specialisations
- Advisory / Consulting, Audit & Assurance, IFRS, Internal controls, Risk Management
- Member of
- VAT Specialist Group, Region: Asia
Tokyo, Kudan
Contact information
Partners/principals

Keiko Komiyama
Key contact- Technical specialisations
- Accounting, Advisory / Consulting, Audit & Assurance, Family office, Internal controls, Mergers & Acquisition
- Member of
- Family Office Specialist Group, International Tax and Transfer Pricing Group, Outsourcing Community Project, M&A Specialist Group, Region: Asia, Women Who Lead Group