About Atsushi Oishi

Atsushi Oishi is a partner at Mori Hamada & Matsumoto, and works primarily in the practice areas of wealth management, M&A and taxation. In relation to wealth management, he provides comprehensive advice on legal and tax matters relating to business succession, and represents clients by handling tax investigations and filing appeals against tax authorities. He also handles a wide variety of transactional matters, including cross-border M&A transactions and corporate reorganisations. His notable books and theses include “Changes in Business Successions” and “Legal and Tax Affairs in Business Successions and M&As for Family Businesses”.