Helical Plc is an investment and development company, which engages in property investment and trading, and development through its subsidiaries. It operates through the Investment and Development segments. The Investment segment refers to owning or leasing for long-term income and capital appreciation. The Development segment includes sites, developments in the course of construction, completed developments available for sale, and pre-sold developments. The company was founded on July 3, 1919 and is headquartered in London, the United Kingdom.