GYC Tax Co.

Propose the best tax solutions,
and contribute to Business Facilitation

Why GYC Tax Corporation?
About Us

Why GYC Tax Corporation?

As the size of a company increases, transactions become more complex and the tax risks faced by the company increase.GYC Tax Corporation is the trusted choice of clients. This is because its focus on providing tax services with a high level of expertise, its one-stop system for accounting and tax services, and its global network that can solve a wide range of international tax issues.

Outline of Corporate Tax Services

Advanced and Expanded Expertise

Services provided

M&A and Reorganization

In response to the increasing number of business succession through M&A and organizational restructuring due to the recent shortage of successors, we provide the following one-stop services in cooperation with our group companies and affiliated reorganization companies.

  • Due Diligence
  • Assessment of the tax consequences of M&A and restructuring for the company and its management
  • Tax filing support based on the reorganization taxation
GYC Tax Co.GYOSEI & CO.Gyosei Consulting Co.

Business Succession

Business succession can result in a large tax burden due to gift and inheritance taxes. In order to avoid unnecessary tax burdens, we will propose the most appropriate option in accordance with your needs, while keeping abreast of changes in the tax system.

  • Business Valuation / Property Valuation
  • Review various taxation systems and propose the most appropriate option in accordance with your needs
  • Tax filing support based on business succession taxation

International Tax

As transactions become increasingly globalized and complex, tax systems in Japan and around the world are changing daily to accommodate these complex transactions.
We provide inbound tax advice in Japan by our experienced members and outbound tax advice around the world in cooperation with Nexia, our global network of tax advisors.

Tax Compliance and International Taxation

Services that can be provided as a follow-up to the above

Providing one-stop service through collaboration
with Gyosei Group and Nexia International

GYC Tax Corporation is a member firm of Gyosei Group and Nexia International.

GYC Tax Co.


Audit firm with more than 300 certified public accountants, assistant accountants, and those who have passed examinations, providing audit services to more than 250 companies, including about 100 listed companies.

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GYC Tax Co.

Gyosei Consulting Co.

Consulting firm that provides IPO support, financial advisory services related to M&A and organizational restructuring, and corporate valuation services as a member of the Gyosei Group.

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125 offices in 122 countries and territories worldwide250 member firms and 25,941 accounting, tax and advisory professionalsGlobal network of 25,941 accounting, tax, and advisory professionals


Corporate Profile

Company name
GYC Tax Corporation
Representative Partners
Akiyoshi Shibata / Yohei Kondo
[Tokyo Office]
Gobancho YS building F2 12-3  Gobancho Chiyoda-ku Tokyo  102-0076 Japan

[Osaka office]
Fukaki Kawaramachi Building 8F 3-4-9 Kawara-machi Chuo-ku Osaka-shi Osaka 541-0048 Japan
Phone Number
View Our Professionals »


Head office

Osaka office


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Please feel free to contact us.
☎︎ +81-3-6261-0363
9:00 - 18:00 JST
( except Saturdays, Sundays, national holidays and year-end and New Year holidays. )