OC & Associates Pte. Ltd.

OC & Associates Pte. Ltd. was established in October 2014 as a subsidiary of OC & Associates to assist overseas clients in Singapore in Japanese, English and Mandarin. The subsidiary is managed by a manager who is a member of ISCA (Institute of Singapore Chartered Accountants), a Certified Public Tax Accountant (CPTA) of Japan, and a US Certified Public Accountant (USCPA).

OC & Associates was originally established in 1992 as Okamoto and Company in Japan, and has been offering a broad range of professional services such as Accounting, Taxes, Audits, and Payroll, mainly to multi–national companies in Japan. Led by their four partners, the firm employs approximately 55 staff with a majority of them certified as (or is in the course of becoming) a US CPA, a Chartered Accountant of Singapore, a CPTA of Japan, a Certified Social Insurance and Labor Consultant, and/or a Certified Internal Auditor.

Our knowledge of Japanese tax and accounting principles will help you book transactions that are compliant with Japanese tax laws.

Moreover, OC & Associates is one of the few accounting firms in Japan registered to the PCAOB (Public Company Accounting Oversight Board). We are committed to providing high quality services in all types of tasks, and will provide support to our clients to expand their business.

OC & Associates International Accounting Office

Managing Partners


Firm name:
OC & Associates Pte. Ltd.

#37-06/10 Ocean Financial Centre, 10 Collyer Quay Singapore 049315