She has supported his prime ministerial ambitions and stood by him in court. Now Salim Mehajer's wife is helping to run the deputy mayor of Auburn's embattled property empire.

Aysha Mehajer, a former beautician who once went by the name of April Learmonth, has been appointed director of 12 companies, in most cases replacing Cr Mehajer.

Some of Mrs Mehajer's most recent appointments include the sole directorships of S.E.T. Services and Sydney Project Group, which are being sued by a commercial finance broker for almost $2 million, and Sydney Constructions & Developments, which just lost a deal to buy a council-owned car park for $6.5 million.

Cr Mehajer, who relinquished eight of the roles in October, advised his fellow councillors on Friday that he had "resigned from being a developer and director of multiple companies," citing his ambitions in a very different area: medicine.