Pillar Property Plc invested and develops commercial property. The firm's core business was managing the investments of two trusts, Hercules Unit Trust (retail parks) and City of London Office Unit Trust (office properties) which it owned shares of 35% and 36% respectively. It also owned stakes in several other trusts including the Pillar Retail Europark Fund, formed in 2004. While the company was the sole developer of some of its investments, it often works with other companies to acquire and construct new buildings. The company was headquartered in London, UK.