The official address of a company as registered at Companies House.
The registered office must be an Australian address. The purpose of the registered office is to have a place where all communications and notices to the company may be sent. If the company does not occupy the premises, then it is necessary to have the occupier of the premises agree in writing to having the company's registered office located there.
The official address of the company to which legal documents can be sent. Often it is a requirement under company law that the registered office is within the country in which the company is incorporated.