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About us
Our History
Since its founding as Japan's first nation-wide audit firm in 1968, Deloitte Tohmatsu Group has steadily strengthened its management base and expanded its fields of expertise through numerous mergers, business consolidations and alliances, having grown to become one of Japan's largest comprehensive professional services firms.
Our History
| 2019.2 | Opened Group's flagship office |
| 2018.5 | 50th anniversary of Deloitte Tohmatsu Group's foundation |
| 2017.4 | Deloitte Tohmatsu Corporate Solutions LLC established |
| 2015.4 | DT Legal Japan joined Deloitte Tohmatsu Group The Group officially named as Deloitte Tohmatsu Group |
| 2014.4 | Deloitte Tohmatsu LLC established |
| 2009.7 | Tohmatsu & Co. reorganized as a Limited Liability Audit Corporations and renamed as Deloitte ToucheTohmatsu LLC |
| 2002.5 | Tohmatsu Tax Co. established (*The precursor of Deloitte Tohmatsu Tax Co. ) |
| 2001.6 | Deloitte Tohmatsu Corporate Finance Co., Ltd. Established (*The precursor of Deloitte Tohmatsu Financial Advisory LLC.) |
| 1997 | Network expanded to 20 cities in Japan and 50 cities overseas |
| 1993.4 | Tohmatsu Consulting Co., Ltd. Established (*The precursor of Deloitte Tohmatsu Consulting LLC.) |
| 1990.2 | Merged with Mita Audit Corporation and renamed as Tohmatsu & Co. |
| 1990.1 | Touche Ross International merged with Deloitte Haskins and Sells International and formed Deloitte Ross Tohmatsu International, the precursor of Deloitte Touche Tohmatsu Limited (DTTL). |
| 1988.10 | Merged with Nishikata Audit Corporation and Sapporo Daiichi Audit Corporation |
| 1988.4 | Merged with Marunouchi Audit Corporation |
| 1986.10 | Merged with Sanwa Audit Corporation and renamed as Tohmatsu Awoki & Sanwa |
| 1975.5 | Joined Touche Ross International Alliance |
| 1972.11 | Opened New York office |
| 1969.9 | The firm's first expatriate sent to San Francisco |
| 1969.2 | Renamed as Tohmatsu Awoki & Co. |
| 1968.5 | Established as Tohmatsu Awoki Tsuda Tsukada Awoki Uno Kasukabe & Co. |
