McKay Securities PLC is a real estate investment trust (REIT). The Company is engaged in the property investment and development in the United Kingdom. The Company is focused on the development and refurbishment of the buildings. The Company's portfolio consists of The Mille, 1000 Great West Road; Portsoken House, Minories; 30 Lombard Street; Wimbledon Gate, Worple Road; Great Brighams Mead, Vastern Road; Pegasus Place, Gatwick Road; Corinthian House, Dingwall Road; 66 Wilson Street; 1 Castle Lane; Switchback Office Park, Gardner Road; McKay Trading Estate, Blackthorne Road; 9 Greyfriars Road; 20/30 Greyfriars Road; Prospero, London Road; Runnymede Focus, Windsor Road; Brunel Road; The Planets, Crown Square; Building 329, Doncastle Road; Oakwood Trade Park, Gatwick Road; Ashcombe House 5 The Crescent; Parkside, Knightsbridge; Gainsborough House, 59-60 Thames Street, and One Fleet, Ancells Road. It invests in various market locations, such as South East England and central London.