Can the company office address be outside Australia?

A company's address for its registered office, or place of business, must be in Australia. Refer Regulation 1.0.14 of the Corporations Regulations 2001:

1.0.14 Address of registered office or place of business

If notice must be given under these Regulations of:

(a) the address of an office or a proposed office; or

(b) the address of a place of business;

of a corporation or a person, the notice must include:

(c) if applicable, the number of the room in which; and

(d) if applicable, the number of the floor or level on which; and

(e) the place in Australia in which;

the office or place of business is, or is to be, situated.