Great Portland Estates, founded in 1959, is a prominent player in the real estate sector, specifically within the FTSE 250 index. Based in London, the company specializes in property investment and development, managing a portfolio that includes office, retail, and residential spaces across central London. They focus on generating superior shareholder returns by revitalizing and optimizing the potential of their properties, which encompass over 3.1 million square feet of existing space and a development pipeline of approximately 2.1 million square feet.