Rob Doust, Managing Director, Mainbrace Constructions Mainbrace is Australia’s leading retail construction company. Since 1989, Mainbrace has delivered more than 1,500 projects valued at more than $4 billion including high-profile projects like Narellan Town Centre in western Sydney, Yamanto Central in Queensland and the $200 million redevelopment of the iconic David Jones Sydney CBD store. Mainbrace’s specialist retail expertise includes Early Contractor Involvement (ECI) and covers the breadth of retail construction, from supermarket upgrades, interiors, bulky goods rollouts, logistics facilities, national rebrands and refurbishments, to the construction of major retail infrastructure on greenfield sites.