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税理士法人みずほ

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OFFICE OVERVIEW

Arai CPA Office /
Mizuho Tax Corporation

Company Profile

Established August 1983
Location Kudan South Building 4F, 3-5-3 Kudan-minami, Chiyoda-ku,
Tokyo 102-0074, Japan
Partners Representative Partner / Shinpei Hiranuma
Partner / Mitsuo Arai
Partner / Hironobu Yahata
Partner / Ko Yoshida
Qualified Professionals CPAs & Tax Accountants / 5 Certified Public Accountants & Tax Accountants
Certified Fraud Examiner / 1 Certified Fraud Examiner
Major Clients ・Health Insurance Association Health Insurance Association (approximately 5,000 members)
・Law Firm

Our Philosophy

Core Values PROFESSIONAL SERVICES

Established in August 1983. A professional group committed to achieving sound corporate management.
Since our establishment in August 1983, we have been a professional group providing tax and accounting services that support corporate management for over 40 years. We aim to achieve sound management for our clients, prioritizing trust and continuing to provide support that leverages our specialized knowledge and experience. Under the philosophy of “becoming lifelong partners for our clients,” we go beyond mere task execution to share our clients’ challenges through deep communication and fulfill our role as partners supporting the foundation of management.

Our Strengths
#Partnership #Professional #Communication #Supporting Management Foundation #Guiding Light

Our strengths lie in our extensive track record and expertise based on over 40 years of history, and our professional group of specialists capable of handling a wide range of fields. We provide industry-specific services for lawyers, medical corporations, school corporations, and other sectors, delivering customized support that addresses the unique challenges and needs of each field. Additionally, our “empathy” - valuing dialogue with clients and thinking together about paths to problem resolution - is another major characteristic.

Services

  • Tax Advisory & Tax Return Services
  • Management System Construction Support
  • Financial Analysis & Management Consulting
  • Cloud-based Accounting Support
  • Inheritance & Gift Tax Services
  • Business Succession Tax Planning
  • Stock Valuation & Management
  • Estate Planning & Asset Management
  • Law Firms & Legal Offices
  • Health Insurance Associations & Mutual Aid Societies
  • Medical Corporations & Healthcare Facilities
  • Educational Institutions & Non-profit Organizations

History

1983 Establishment

Established predecessor Mizuo Arai Tax Office & Arai CPA Office in Nibancho, Chiyoda-ku

1985 Service Expansion

Expanded income tax services for law firms

1987 Office Relocation

Relocated office to Kojimachi, Chiyoda-ku

1988 Business Growth

Expanded corporate and individual tax services focusing on semiconductor trading companies and dental clinics

1989 Non-profit Services

Expanded corporate tax services for non-profit organizations

1995 Major Relocation

Relocated to Kudan-minami, Chiyoda-ku due to business expansion

1996 Medical Advisory

Expanded medical corporation advisory services

2010 Inheritance Services

Expanded inheritance services

2019 Corporation Establishment

Established Mizuho Tax Corporation with Mizuo Arai as representative partner

2024 Leadership Change

Shinpei Hiranuma appointed as representative partner of Mizuho Tax Corporation

Access

Kudan South Building 4F, 3-5-3 Kudan-minami, Chiyoda-ku, Tokyo 102-0074, Japan

Transportation
  • Ichigaya Station 7 minutes walk from Ichigaya Station (JR Sobu Line, Tokyo Metro Yurakucho/Namboku Lines, Toei Shinjuku Line)
  • Kudanshita Station 12 minutes walk from Kudanshita Station (Tokyo Metro Tozai/Hanzomon Lines, Toei Shinjuku Line)
  • Hanzomon Station 11 minutes walk from Hanzomon Station (Tokyo Metro Hanzomon Line)

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