Professional Advisory Holdings Pte Ltd (PIAS) is a subsidiary of Professional Investment Holdings Ltd, an Australian unlisted public company. Accountants, advisers and staff who are members of the company are the primary shareholders.

Established in 2001 and licensed by the Monetary Authority of Singapore, Professional Investment Advisory Services Pte Ltd ("PIAS") is one of the leading financial advisory firms in Singapore. PIAS offers a diversified suite of financial services and solutions with a personalised approach. 

PIAS has one of the largest, most respected and fastest growing networks of financial consultants in Singapore. PIAS' professional financial consultants provide sound and comprehensive financial advice at both individual and corporate levels.

PIAS is a wholly owned subsidiary of Professional Advisory Holdings Ltd ("PAH") which is a majority owned subsidiary of the Aviva Group.