A comprehensive tax law practice, providing services in the areas of tax planning, wealth management, and tax disputes and investigations

Our Tax Practice Group includes both lawyers and a licensed tax accountant, some of whom have previous experience working at the Japanese tax authorities, including several who have served in senior positions there. These practitioners have the depth of experience that is necessary in this complex and constantly developing practice area to ensure that our clients get the benefit of advice that is tailored to their needs and takes into account the most current tax regulations and rulings.

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Tax planning services for a variety of Japanese and international transactions, including corporate reorganizations, M&A, cross-border transactions, and financial transactions

We have a long history of experience in litigation and other forms of dispute resolution, and our expertise extends to the area of tax disputes. We are particularly active in advising clients in responding to tax investigations.

Related Organization

MHM Tax Advisory Services

Operating in a manner that incorporates the legal services of Mori Hamada & Matsumoto, this new entity provides tax services relating to M&A and group reorganizations, business turnarounds, business successions for family-owned companies, and other business activities.

MHM Tax Advisory Services


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The Best Lawyers in Japan™ and Best Lawyers: Ones to Watch in Japan™ (2025 edition)
Top rankings received from The Legal 500 Asia Pacific 2024
Top rankings received from Chambers Asia-Pacific 2024
Top rankings received from asialaw 2023-24
The Best Lawyers in Japan™ and Best Lawyers: Ones to Watch in Japan™ (2024 edition)

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Aug. 12, 2021External Seminars
"New Impulses in Tax Law"
Sep. 9, 2020External Seminars
"Governance & Succession - Philippines and Japan"
Jul. 1, 2020External Seminars
"Thailand Private Client - Virtual Round Table"
Aug. 30, 2017External Seminars
"The 55th International Young Lawyers’ Congress"
Mar. 2, 2017External Seminars
"Hard Brexit" - Your new location: The Netherlands Tax and Legal Aspects -

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"Legal and Tax Affairs concerning Trading of Unlisted Shares (Financing for Start-ups)"
"International Comparative Legal Guide to: Private Client 2024 - Japan Chapter"
Magazine Article
"Tax Treatment of Alternatives to Trust-Type Stock Options"
Magazine Article
"Taxation and Risks Concerning New Working Styles: Prospects for Digital Nomads (that are Companies) - Can Applicability of Permanent Establishment be Judged Appropriately?"
Magazine Article
"Taxation and Risks Concerning New Working Styles: Prospects for Digital Nomads (who are Individuals) - How Do Interpretations of the Income Tax Act Apply?"

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