Hay Street Holdings is a luxury group headquartered in Perth, Western Australia. In the period 2022 to 2023 it acquired through the limited liability company Hay Street Holdings Investments and the Hay Street Holdings Investments Trust the Australian rights to the high-end luxury fashion brand Grand Chelem and associated stylised tennis player logo, and the perfume, cosmetics and skincare brand Lalou. In March of 2024 the group sold its interest in Grand Chelem to the Trevelyan Group. The group owns luxury retail real estate and vineyards in Western Australia.