GL Hearn is a UK-based real estate consultancy known for its advisory, planning and development services for investors, occupiers and public-sector organizations. Originally founded in 1923, the company has evolved into a multidisciplinary advisory practice providing technical expertise across areas such as valuation, land planning, development consultancy and property strategy. GL Hearn operates as a privately held entity that became part of WSP following its acquisition in 2022, strengthening its position within the broader professional services landscape. The firm’s service model combines commercial advisory capabilities with technical planning and environmental support to address a wide range of property-related requirements. Its long operational history reflects the company’s continued involvement in urban development, planning processes and property-related policy support throughout the UK.