We work hand in hand with tax professionals, certified public accountants, and other specialists to deliver comprehensive, tailored solutions.
Y&P Legal Professional Corporation was created to provide integrated services that seamlessly connect law, taxation, and accounting. By leveraging the extensive networks of Yamada & Partners Tax Co.—one of Japan’s leading tax accounting firms—and YAMADA Consulting Group Co., Ltd., a Tokyo Stock Exchange Prime Market listed company, we deliver innovative value unmatched in the industry.
In today’s increasingly complex and specialized environment, legal issues often intersect with tax and accounting matters.
Our commitment is to listen attentively, analyze thoroughly, and respond swiftly and accurately to achieve optimal results. Serving both individuals and corporations, we strive to be a trusted partner for every client.
Our Mission Basic Principle
At Y&P Legal Professional Corporation, we stand beside our clients as true partners,
delivering services with unwavering dedication and professional insight.
By breaking down barriers between law, taxation, and accounting, we aim to create new value for our clients and society.
- Sounds values
- We share sound values as a group of trusted professionals.
- Contributing to
- society
- We contribute to the progress of our clients and society through creating and providing high-value-added information.
- Personal and organizational growth
- We respect individuals with lofty goals, aiming for harmony between personal and organizational growth.
Firm Overview Company Profile
- Firm Name
- Y&P Legal Professional Corporation
(Bengoshi Hojin Y&P Horitsu Jimusho) - Address
- Marunouchi Trust Tower North, 9F, 1-8-1 Marunouchi, Chiyoda-ku, Tokyo 100-0005, Japan
- Established
- May 2014
- Managing
Partner - Akihisa Taira
- Attorneys
- 26 (as of October 1, 2025)
- Bar
Association - Tokyo Bar Association
- Group
Companies - Yamada & Partners Tax Co., YAMADA Consulting Group Co., Ltd., and others
- These entities are incorporated under special laws and therefore have no capital ties.
They form a group based on shared origins.
Corporate Services
We help businesses navigate complex challenges by integrating legal, tax, and accounting perspectives. Effective strategies and risk management require a holistic approach that goes beyond legal compliance. Partnering with company leadership, we deliver comprehensive support across diverse corporate needs.
Practice Areas
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・Corporate Law and General Counsel
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・M&A and Corporate Restructuring
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・Equity and Shareholder Matters
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・Business Succession and Family Governance
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・Tax Advisory
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・Fraud Investigations and Corporate Governance
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・Labor and Employment Law
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・Litigation and Dispute Resolution
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・Ownership and Control Disputes
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・Medical Corporations and Non-Profit Organizations
For cross-border inheritance cases involving overseas heirs, foreign nationals, or international assets, we leverage the expertise of our globally experienced attorneys and collaborate with local professionals to deliver effective, seamless solutions.
Y&P Legal Professional Corporation
Marunouchi Trust Tower North, 9F
1-8-1 Marunouchi, Chiyoda-ku, Tokyo 100-0005, Japan
TEL: +81-3-6212-1663
- ・1 min walk from JR Tokyo Station (Nihonbashi Exit) or 3 min walk from Yaesu North Exit
- ・2 min walk from Otemachi Station (Exits B7/B10, Tokyo Metro Tozai, Marunouchi, Hanzomon, Chiyoda Lines / Toei Mita Line)
- ・3 min walk from Nihonbashi Station (Exit A3, Tokyo Metro Ginza, Tozai Lines / Toei Asakusa Line)
- ・5 min walk from Mitsukoshimae Station (Exit B2, Tokyo Metro Hanzomon Line)