OA International Holdings is a Singapore-based accounting firm that was founded in 2011. OA provides accounting, audit, tax, accounting advisory, and corporate advisory services.

OA delivers audit services for businesses that include statutory financial audits, special reviews, special purpose audits, and sales audits.

OA company income tax services include tax computation, preparation & filing of income tax returns, and collating with companies to answer IRAS queries. OA will apply and obtain tax or tax incentives, assist in corporate tax planning & management, handle tax objections & disputes, assist with withholding tax compliance, and assist in tax-related matters. OA will help in managing tax for dormant companies or companies liquidizing, advise on corporate income tax-related issues and assist in IRAS corporate tax investigation.

OA offers personal income tax services such as tax reputations, preparation of income tax refunds, preparation of returns of employees’ remuneration, tax clearance, assistance to respond to queries from IRAS, application for voluntary disclosures of past tax errors, tax planning, and tax advisory. Additionally, they provide help with Goods & Services Tax.

OA provides corporate services such as company incorporation, corporate secretarial, and translation.

Valuation services provided by OA include asset valuation, business valuation, purchase price allocation, natural resources valuation, and technical advisory services.

OA delivers accounting services such as compilation of financial statements, XBRL financial report services, payroll services, bookkeeping & accounting, and accounting software setup & training.

OA provides advisory services that include business advisory services, Initial Public Offering consulting, Reverse Takeover consulting, mergers & acquisitions, and grant advisory.


Accounting Software

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Contact info

OA International Holdings Pte Ltd 112 Robinson Road #03-04 Singapore



What services does OA International Holdings provide

We provide services in the following areas Accounting, Accounting Software, Bookkeeping, Advisory, Auditing, Incorporation, Secretary, Payroll, Tax

How can I contact OA International Holdings

You can call us +65 6914 1111, come to the office OA International Holdings Pte Ltd 112 Robinson Road #03-04 Singapore 068902, contact us via email at, or via social networks ["Facebook"]

What country is OA International Holdings headquartered in

Our organization is headquartered in Singapore