| About BDO Sanyu |
| As of October 1, 2025 |
| Establishment Date | October 1986 |
| Number of Clients | 224 |
| Number of Employees | Partner | 49 |
| Certified Public Accountant(CPA) | 158 |
| Other Certified and Non-certified Professionals | 136 |
| Administrative Staff | 39 |
| Offices | Tokyo Office |
| Sapporo Office |
| Nagoya Office |
| Osaka Office |
| Fukuoka Office |
| Managing Partner | Tomohiro Koto |
| Deputy Managing Partner | Nobuhito Iwata |
| Executive Board Member and Partner | Hiroshi Saitoh |
| Hitoshi Torii |
| Kouta Yamamoto |
| Hidetsugu Yoshikawa |
| Board Member and Partner | Tadashi Ohgami |
| Hirofumi Kawamura |
| Soichiro Kitano |
| Kenji Nishikawa |
| Eisuke Nishitani |
| Kuniaki Hatamura |
| Suzue Masuda |
| Yuki Yoshikawa |
| Kiichi Yonebayashi |
| Supervisory Board Member and Partner | Akira Torii |
| Partner | Atsumasa Igata |
| Kanichi Ishihara |
| Michiaki Inoue |
| Takanobu Ueki |
| Hideki Uchida |
| Takayuki Uno |
| Youhei Ohmata |
| Shinpei Okajima |
| Kazuhiro Oda |
| Suguru Kato |
| Hidetoshi Kawai |
| Hiroyasu Kudo |
| Koji Kumagai |
| Hiroaki Komatsu |
| Naoto Komezaki |
| Yosuke Saeki |
| Hiroyuki Sato |
| Keita Suzuki |
| Tomoharu Takashima |
| Takayuki Takemura |
| Dai Tanaka |
| Nobuhiko Tamai |
| Koichiro Nakanishi |
| Hiroaki Nakanishi |
| Shinpei Ninomiya |
| Hiroyuki Hatto |
| Daizou Furuya |
| Kensei Honda |
| Takuya Midera |
| Satoshi Morita |
| Yuichiro Yahara |
| Satoru Yoshida |
| Tomoaki Wada |
