Empowering you to move forward with confidence

RSM in Japan



We have a reach of firms in 120 countries and are in each of the top 40 major business centres throughout the world



We have combined staff of 186 professional staff, 37 partners



5 head offices in Tokyo

Global news:

RSM names E.J. Nedder as new global CEO

RSM, the leading global assurance, tax and consulting provider to the middle market, today announced that Ernest John Nedder will succeed Jean Stephens as the new Chief Executive Officer for RSM International, effective June 1, 2024.

Doing business in Japan

RSM Japan consists of three independent firms that have joined the RSM International network as official members in Japan and work as a group exclusively for international clients and cross border transactions. The firms and service areas are as follows.

RSM Seiwa - audit and attestation   
RSM Japan Tax.co - taxation   
RSM Shiodome partners - accounting and law  
* Correspondent firm - Tokyo Kyodo Accounting Office - consulting and transactional support services

RSM Japan provides clients with a variety of professional services tailored to the individual needs of clients, including audit, related attestation services, international taxation (including, but not limited to, transfer pricing), outsourcing and advisory services such as M&A, IPO, inward investments and various financial transactions.