Tax

Tax issues arise in a wide variety of situations, including M&A, restructuring, and cross-border and financial transactions, whether in complex specialized transactions or in the ordinary course of business. We advise clients on tax issues from the planning stage onward in order to minimize tax risk, and in situations such as developing a new line of business we liaise with tax authorities to clarify tax treatment. In addition, as the economy and internationalization advance, difficult tax issues have increased in number, and there are an increasing number of cases where the tax authorities and taxpayers disagree on the appropriate tax treatment. In such cases, we represent clients throughout the entire process, from the authorities' investigation through to administrative appeals and litigation against the tax authorities.

Particularly in recent years, there have been an increasing number of cases where even at the tax investigation stage the use of a law firm has been necessary in addition to the use of a tax advisory firm, because of the different perspective of the two professions. We have been involved in many cases where the tax authorities withdrew their opinion after we submitted our opinion.

Publications Related to Tax

  • 202412

    Mutou Yuuki and Noguchi Daisuke author an article in Business Houmu on stamp tax issues

    Author：
    MUTOU Yuuki　 NOGUCHI Daisuke　
  • 202411

    T&A master carries a review of Ishikawa Teppei's new book on doing business with vendors who have consumption tax exemptions

    Author：
    ISHIKAWA Teppei　
  • 202410

    Ishikawa Teppei authors a new book on doing business with vendors who have consumption tax exemptions (Chuokeizaisha)

    Author：
    ISHIKAWA Teppei　
  • 202306

    Miura Takashi authors a commentary on the JFTC's release on invoicing (Shoji Homu Portal website)

    Author：
    MIURA Takashi　

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Lectures, Seminars and Conferences Related to Tax

  • 202502

    "Competition Law and the Invoice System"

    Speaker： ISHIKAWA Teppei　

  • 201811

    Mutou Yuuki delivered a lecture titled "How to Deal with Tax Compliance Issues Revealed by Misconduct" at a seminar by Tax Consulting Firm Trust.

    Speaker： MUTOU Yuuki　

  • 201811

    Mutou Yuuki delivered lectures titled "Tips to Handle Tax Investigations Learned from Recent Tax Suits" and "The Latest Trends in Tax Investigations on Large-scale Corporations including Consumer Tax" respectively in the series of lectures titled “Tax Investigations from Lawyers’ Point of View” at Zeimu Kenkyukai.

    Speaker： MUTOU Yuuki　

  • 201810

    Mutou Yuuki delivered a lecture titled "What is Tax Compliance Now Required? - From the Viewpoint of Cooperation between 'Tax' and 'Legal' -" with Yamashita Takashi, a licensed tax accountant, at the Japan Tax Association.

    Speaker： MUTOU Yuuki　

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News Related to Tax

  • 202604

    34 lawyers of our firm were recognized in The Best Lawyers in Japan 2027.

    34 of our lawyers were recognized in The Best Lawyers in Japan 2027.

    Best Lawyers
    ■ Antitrust / Competition Law
    TOJI Yoshihiro
    IZUMI Atsushi
    KARASAWA Akira
    ISHIKAWA Teppei

    ■ Banking and Finance Law
    TOJI Yoshihiro
    SAKAMOTO Tomoko
    MATSUDA Takao

    ■ Corporate and Mergers and Acquisitions Law
    MOTOMURA Takeshi

    ■ Corporate Governance and Compliance Practice
    YOSHIHARA Tomomichi
    YAMADA Kohei

    ■ Insolvency and Reorganization Law
    TAGO Shinya
    MOTOMURA Takeshi
    URANAKA Hirotaka

    ■ International Arbitration
    UENISHI Takuya

    ■ International Business Transactions
    MATSUDA Akira

    ■ Litigation
    WAKABAYASHI Shigeo
    TOJI Yoshihiro
    MOTOMURA Takeshi
    YOSHIHARA Tomomichi
    URANAKA Hirotaka
    UENISHI Takuya

    ■ Privacy and Data Security Law
    MATSUDA Akira
    BEPPU Fumiya

    ■ Tax Law
    MUTOU Yuuki

    ■ Telecommunications Law
    MATSUDA Akira


    Best Lawyers - "Ones to Watch"
    ■ Antitrust / Competition Law
    OKAMURA Yu
    MATSUHASHI Sho

    ■ Arbitration and Mediation
    NAKAMURA Saeko
    MIURA Takashi

    ■ Corporate and Mergers and Acquisitions Law
    SASAKI Tomoo
    ISHIKAWA Hiroaki
    OKAMURA Yu
    SUZUKI Tomohiro
    FUKATSU Haruno
    FUKUCHI Takumi
    KITAGAWA Hiroki
    TOYOOKA Hiroto
    MATSUHASHI Sho

    ■ Financial Institution Regulatory Law
    KANEKI Nobuyuki

    ■ Information Technology Law
    FUJINAMI Tomonori
    ADACHI Makoto

    ■ Intellectual Property Law (Non-Patent)
    ISHIKAWA Hiroaki

    ■ Labor and Employment Law
    NAKAMURA Saeko
    KITAGAWA Hiroki

    ■ Litigation
    ITO Natsuho
    ICHIKAWA Kazuki

    ■ Privacy and Data Security Law
    HORITA Koji

    ■ Private Equity, Private Funds and Venture Capital Law
    KUNIMOTO Kazuki

  • 202504

    22 lawyers of our firm were recognized in The Best Lawyers in Japan 2026.

    22 of our lawyers were recognized in The Best Lawyers in Japan 2026.

    Best Lawyers
    ■ Antitrust / Competition Law
    TOJI Yoshihiro
    IZUMI Atsushi

    ■ Banking and Finance Law
    TOJI Yoshihiro
    SAKAMOTO Tomoko
    MATSUDA Takao

    ■ Corporate and Mergers and Acquisitions Law
    MOTOMURA Takeshi

    ■ Corporate Governance and Compliance Practice
    YOSHIHARA Tomomichi

    ■ Insolvency and Reorganization Law
    TAGO Shinya
    MOTOMURA Takeshi
    URANAKA Hirotaka

    ■ Labor and Employment Law
    TAGO Shinya

    ■ Litigation
    TOJI Yoshihiro
    WAKABAYASHI Shigeo
    MOTOMURA Takeshi
    YOSHIHARA Tomomichi
    URANAKA Hirotaka

    ■ Tax Law
    MUTOU Yuuki


    Best Lawyers - "Ones to Watch"
    ■ Antitrust / Competition Law
    OKAMURA Yu
    MATSUHASHI Sho

    ■ Arbitration and Mediation
    NAKAMURA Saeko
    MIURA Takashi

    ■ Corporate and Mergers and Acquisitions Law
    OKAMURA Yu
    SASAKI Tomoo
    FUKATSU Haruno
    FUKUCHI Takumi
    KITAGAWA Hiroki
    TOYOOKA Hiroto
    MATSUHASHI Sho

    ■ Information Technology Law
    ADACHI Makoto

    ■ Intellectual Property Law (Non-Patent)
    ISHIKAWA Hiroaki

    ■ Labor and Employment Law
    NAKAMURA Saeko
    KITAGAWA Hiroki

    ■ Privacy and Data Security Law
    HORITA Koji

  • 202501

    Business Houmu features a review of Ishikawa Teppei's new book on doing business with vendors eligible for consumption tax exemptions.

    Publisher：Business Houmu

  • 202204

    The April 4 Nikkei carried an article on the tax litigation of a major bank which was represented by Toji Yoshihiro, Matsuda Akira, Matsuhashi Sho, and Noguchi Daisuke.

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