Great Portland Estates Plc provides property investment and development services. The company operates in following business models: Asset management, Investment management, Development management and Financial management. The Asset management produces tailor made solutions to drive rental growth and minimize voids. The Investment management buys and sells at the right point of portfolio returns. The Development management upgrades their portfolio with targeted capital expenditure improves its tenant appeal, enhancing rental values and capital returns. The Financial management provides security in its cyclical markets and firepower to buy when opportunities arise. Its property portfolio includes 160 Great Portland Street, 240 Blackfriars Road, 24/25 Britton Street, Hanover Square Estate, 35 Portman Square, The Piccadilly Buildings, Rathbone Square and 73/89 Oxford Street. Great Portland Estates was founded in 1959 and is headquartered in London, the United Kingdom.