CUB Club of United Business (CUB) is a private business club established in 2014, focused on connecting influential entrepreneurs and business leaders in Australia. It serves as a leadership community that promotes genuine relationships among members who are dedicated to supporting each other's ambitions and achieving significant business goals. CUB emphasizes the importance of sharing time, knowledge, and networks within its community.

Members enjoy a unique networking experience, gaining access to an exclusive business network and luxurious spaces for meetings and client entertainment. CUB hosts a variety of events designed to facilitate meaningful connections and foster business growth. With clubhouses in Sydney and Melbourne, CUB has expanded its membership to include hundreds of top business leaders and has plans for further growth both nationally and internationally. The club aims to create a supportive environment that helps members achieve their business ambitions through collaboration and knowledge sharing.