The team at Mori Hamada & Matsumoto Tokyo Office specialises in tax planning and disputes, advising both corporate and individual clients. Co-led by Atsushi Oishi, Makoto Sakai, and Makoto Sakai, the team offers expertise in M&A, corporate reorganisations, and cross-border transactions. Oishi handles tax-related matters such as investigations, appeals against tax authorities, and transactional issues. Sakai focuses on M&A and corporate reorganisations from a tax planning perspective, while Kurihara is skilled in handling complex tax disputes. Other key members are Hiroshi Oyama, who specialises in tax planning and disputes, and Koyo Madakoro, who is a licensed tax accountant.

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Key clients

  • Ministry of Finance of the Japanese government
  • Ministry of Economy, Trade and Industry of the Japanese government
  • Softbank Group Corp.
  • Johnson & Johnson
  • Baring Private Equity Asia
  • Hitachi, Ltd.
  • Shiseido Company, Limited
  • Astellas Pharma Inc.
  • Houlihan Lokey
  • Crocs, Inc.
  • Sumitomo Electric Industries, Ltd.
  • Appier Group, Inc.
  • Randstad Holding nv
  • UACJ Corporation
  • J-STAR Co., Ltd.

Work highlights

  • Advised the Ministry of Economy, Trade, and Industries of the Government of Japan on its multijurisdictional research on start-up incentive schemes.
  • Advised J-STAR Co., Ltd. on the acquisition of Harita Metal Co., Ltd., Sanwa Group Co., Ltd., Sincere Holdings Co., Ltd. and SNK Holdings Co., Ltd. to form a corporate group with Renatus Co., Ltd. as its holding company.
  • Advised a buyer consortium, a founder entity and a PE fund, on an MBO transaction of Benesse Holdings.

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Practice head

The lawyer(s) leading their teams.

Atsushi Oishi, Makoto Sakai, Hiroyuki Kurihara

Other key lawyers

Hiroshi Oyama, Koyo Madakoro