I aim to create an international and prosperous society.
We support inbound and outbound businesses with expert knowledge of international accounting standards, cultural understanding and edge technologies and tenacity when faced with unpredictable challenges.


Seiji Yoshikawa

Head Office (Tokyo)

Fukuoka Office


Mr. Seiji Yoshikawa graduated from Osaka-Kyoiku University, Faculty of Education.

Subsequently, he joined Ernst and Young, where he gained a lot of experience in IFRS and IT advisory towards financial institutions and in audit towards listed companies, then engaged a project towards administration, accounting, and finance division of a newly established subsidiary of TOYOTA motor corporation.

In 2015, he joined Deloitte Touche Tohmatsu in Japan and had a lot of IFRS-related advisory towards listed companies.

Afterwards, he engaged in Business Process Re-Engineering (BPR) and Digital Transformation (DX) consulting services in Europe at IIJ Europe Limited from 2018 to 2020.

After returning to Japan in the middle of November 2020, he started his business in Tokyo and has provided tax, accounting and DX consulting services.


How do TSE-listed companies disclose IFRS Quarterly Financial Statements as of 2015, No.1432 Junkan-Keirijoho, Chuokeizai-Sha Inc.
How do TSE-listed companies disclose IFRS Financial Statements as of 2016, No.1457 Junkan-Keirijoho, Chuokeizai-Sha Inc.


He loves travelling (he has been to 26 countries in Europe!), cooking, and swimming.

Born in Osaka
Resides in Tokyo


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