Neil Rae is a successful businessman through his past involvement in the development and management of Gull Petroleum along with his father, the late Fred Rae, and brother-in-law Ian Green. Over three decades, Gull expanded to more than 100 petrol station across Western Australia. In 1993, Gull began importing fuel from Singapore, providing a price advantage over its competitors. In 1998 Gull expanded into New Zealand. The Australian operation was sold for an estimated $A500 million in 2010 and the New Zealand business was sold for $NZ340 million (about $A300 million) in 2016.