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COMPANY

About Us

Message

We help our clients focus on growing their business with confidence by providing practical, reliable tax support. Working closely with attorneys, judicial scriveners, certified social insurance and labor consultants, and other trusted professionals, we offer one-stop solutions and practical advice that supports informed business decisions.

As specialists in international tax for individuals and small and medium-sized enterprises, we provide practical, cost-effective advice on overseas expansion, entering the Japanese market, and cross-border transactions.

If you've ever thought, "A large tax accounting firm is beyond our budget," "I'm not sure where to start," or "I'm not confident this tax treatment is correct," we're here to help. No matter what stage you're at, feel free to contact us. We provide practical guidance that helps you move forward with confidence.


Profile

Takuya Oishi, Representative

Takuya Oishi

Takuya Oishi was born on August 13, 1985, in Fukuoka Prefecture and currently lives in Hiratsuka, Kanagawa.

After graduating from Kyushu University, he began his career as a car engineer at Aisin Seiki Co., Ltd. (now Aisin Corporation). He later decided to pursue a career in tax and joined Kasai Accounting (now Anela Tax Corporation) in Fukuoka before studying abroad in the Philippines and Australia.

Upon returning to Japan, he joined Actus Tax Corporation, where he advised primarily foreign nationals and foreign-affiliated companies. As a Senior Manager in the International Tax Division, he led tax return review engagements and managed tax audit cases, gaining more than ten years of hands-on experience in international tax.

His experience covers corporate tax matters for businesses ranging from startups to listed companies, as well as individual tax matters for business owners, foreign nationals, and non-residents.


Office Overview

Name Oishi Takuya Tax & Accounting Office
Representative Takuya Oishi, Certified Public Tax Accountant
Tax Accountant Registration No. No. 151174
Professional Association Tokyo CPTAs' Association, Azabu Branch
Address

BIZMARKS Akasaka 312, 2-16-6 Akasaka, Minato-ku, Tokyo 107-0052, Japan

Access 4-min walk from Akasaka Station (Exit 5) on the Chiyoda Line
5-min walk from Tameike-sannō Station (Exit 11) on the Namboku & Ginza Lines
Phone +81-3-6869-6965
Business Hours 10:00–18:00 (closed Saturdays, Sundays, and public holidays)
※ Meetings outside business hours or on weekends/holidays are available by prior arrangement.
Service Area Nationwide, centered on Tokyo and Kanagawa.

CONTACT

Contact

We will respond within one business day.
We offer a complimentary initial consultation.
Whether you are an individual or a business, please feel free to contact us.

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