About us



Sadayasu Ito

Founder & Representative Tax Accountant

Education: California State University, Northridge
B.S. in Finance

Previous: Ernst & Young Tax Co. Sep 2009-June 2016
-Global Compliance & Reporting
-Transfer Pricing

License: Certified Tax Accountant (License number 124561)


Sadywell Japan Tax & Accounting provides total support to those starting businesses in Japan. We offer assistance in a range of matters to lead your business to success, including visas, tax accounting and social insurance.

The Japanese legal system is difficult to understand, and is revised frequently. Business practices differ greatly from those overseas. Under such circumstances, the support of a specialist tax accountant is essential to ensure a smooth start to your business. However, there are very few tax accountants in Japan who can provide their services in English.

Sadywell Japan Tax & Accounting can explain the required procedures and the legal system simply and in English to individuals from overseas who are starting a business in Japan, and to foreign companies entering the Japanese market. In addition to offering tax accounting services, we collaborate with administrative scriveners and labor and social security attorneys to provide support in matters related to visas, company start-ups and social insurance.

If you have any questions regarding tax accounting, even business management or matters concerning daily life, call us any time. Sadywell Japan’s mission is to be a trusted business partner who ensures your success in Japan.
We look forward to hearing from you.

Sadywell Japan Tax & Accounting
Representative Tax Accountant
Sadayasu Ito


Office name Sadywell Japan Tax & Accounting
Representative Sadayasu Ito
Address Radius R Bldg. 3F, 2-16-14 Takaban, Meguro-ku, Tokyo, Japan 152-0004
TEL +81-3-4405-6009
FAX +81-3-5539-4005
E-mail sadayasu.ito@sadywell.com
  • Preparation of tax returns(Individual/Corporate)
  • Bookkeeping
  • Payroll
  • Visa
  • Incorporation
  • Tax consulting
  • Consulting regarding accounting and financing
  • Japan market entrance support


By Train : 3 min from Gakugei University station east exit, Toyoko line

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