Queste Communications Ltd engages in the management of investments in listed and unlisted securities. It operates through the following segments: Investments, Olive Grove, and Corporate. The Investments segment comprises of equity investments of companies listed on the Australian Securities Exchange, unilsted managed funds, and liquid financial assets. The Olive Grove segment includes olive grove farm in Gingin. The Corporate segment includes corporate assets and operations. The company was founded on March 10, 1998 and is headquartered in West Perth, Australia.