Department profile
Mori Hamada

Private Wealth Law

High Net Worth Guide 2025 : Japan


Mori Hamada

Rankings

About

Provided by Mori Hamada

Mori Hamada counts among our clients a number of high net worth individuals who seek the strategic advice of our tax practitioners. The firm offers tailor-made solutions to address the diverse needs of these individual clients, who include private business owners, founders and major shareholders of listed companies, and private investors. Our services in this area are many and varied and include business succession planning, setting up trust funds to secure assets, advice for Japanese residents investing overseas, support in cross-border inheritance cases, advice for high net worth, non-resident individuals investing in Japan, and handling intra-family dispute cases. Our Wealth Management Practice Group includes lawyers who are well-versed in Japanese and international corporate reorganizations, M&A, trusts, asset taxation, and international taxation. We also coordinate when necessary with a network of overseas firms and professionals.

Chambers Review

Provided by Chambers

Private Wealth Law - Japan

Band 1

Band 1


What the Team is Known For

Mori Hamada is one of the largest firms in Japan. It has a strong practice in private wealth work, including business succession planning, trust formation and administration, as well as cross-border inheritance. The firm advises ultra-high net worth, high net worth and non-resident clients in Japan, including private business owners, founders and major shareholders of listed companies.

Strengths

Provided by Chambers

  • Mori Hamada is really quick to respond and has good lawyers and accountants.

    Private Wealth Law respondentHigh Net Worth
  • The Mori Hamada team is meticulous and articulate.

    Private Wealth Law respondentHigh Net Worth
  • The Mori Hamada team is very excellent quality-wise and quick in response.

    Private Wealth Law respondentHigh Net Worth

Notable Practitioners

Provided by Chambers

  • Band 1Atsushi Oishi
    Band 1Atsushi Oishi

    Atsushi Oishi

    Atsushi Oishi advises on a wide array of private wealth matters, particularly in business succession and tax investigations. He is also well known for his sophisticated tax and estate planning techniques as well as being knowledgeable on matters related to M&A for both domestic and international clients.
  • Band 1Makoto Sakai
    Band 1Makoto Sakai

    Makoto Sakai

    Makoto Sakai handles private wealth management and tax matters. He also deals with tax litigation and investigations in addition to his wider M&A practice.
    • Makoto Sakai is very good at succession planning and tax issues. He is the one-stop, almighty guy for us.

      Private Wealth Law respondentHigh Net Worth
    • Makoto Sakai's knowledge and experience are highly valued.

      Private Wealth Law respondentHigh Net Worth

Ranked Individuals at Mori Hamada (2)

Japan

Members

Provided by Mori Hamada

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