Secret Intelligence Service (MI6), London opening hours

85 Albert Embankment, London, Greater London England, SE1 7TP

12 Tinworth Street, London, Greater London England, SE11 5AL

10TH FLOOR MILLBANK TOWER MILLBANK, London, Millbank, Greater London England, SW1P 4QP

The Foundry 17 Oval Way, London, Greater London England, SE11 5RR

12 Millbank, London, Greater London England, SW1P 4QE

33 Nine Elms Ln, London, Greater London England, SW11 7US

33 Nine Elms Ln, London, Greater London England, SW11 7US

Edinburgh House, 170 Kennington Ln, London, Greater London England, SE11 5DP

Great Minster House, 33 Horseferry Road, Great Minster House, London, Greater London England, SW1P 4DR

Nobel House, 17 Smith Square, Nobel House, London, Greater London England, SW1P 3JR