OA Group of Companies

We offer a full suite of corporate services in Singapore. From seamless company setup to corporate advisory for company growth and high-quality outsourcing.

OA Group

OA International

Our international holdings company for Singapore, Malaysia, and Hong Kong.

OA Group

OA Assurance

Providing assurance services in Singapore.

OA Group

Singapore Corporate Services

Providing non-assurance services in Singapore & Malaysia.

OA Group

OA Corporate Advisory

Providing corporate advisory services in Singapore & Malaysia.

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