| Admiralty | Whitehall, St. James's, Covent Garden, London, Greater London, England, SW1A 2DD, United Kingdom | |
| Army Training Centre (ATC) Pirbright (Global Intelligence) | Woking, Surrey, England, United Kingdom | |
| Associated Press (AP) | Oval Road, Primrose Hill, Chalk Farm, London Borough of Camden, London, Greater London, England, NW1 8HB, United Kingdom | |
| AstraZeneca | Pancras Square, King's Cross, London Borough of Camden, London, Greater London, England, N1C 4AG, United Kingdom | |
| Atomic Weapons Establishment (AWE) | Reading, South Oxfordshire, Oxfordshire, England, United Kingdom | |
| Babylon Park | Castlehaven Road, Maitland Park, Chalk Farm, London Borough of Camden, London, Greater London, England, NW1 8RA, United Kingdom | |
| BAE Systems Plc | Carlton Gardens, St. James's, Victoria, London, Greater London, England, United Kingdom | |
| Bank of England (The) | Threadneedle Street, Walbrook, City of London, Greater London, England, EC3V 3LA, United Kingdom | |
| Barclays Bank | Barclays, 1, Churchill Place, Canary Wharf, Poplar, London Borough of Tower Hamlets, London, Greater London, England, E14 5HP, United Kingdom | |
| Barings Bank et al | 20, Old Bailey, Blackfriars, Farringdon Within, City of London, Greater London, England, EC4M 7EH, United Kingdom | |
| BBC TV Centre (Studioworks Television) | BBC Studios, 101, Wood Lane, London Borough of Hammersmith and Fulham, London, Greater London, England, W12 7QT, United Kingdom | |
| British East India Company | Leadenhall Street, Aldgate, City of London, Greater London, England, EC3M 7AF, United Kingdom | |
| British House of Commons | Palace of Westminster, The Terrace, Westminster, Millbank, London, Greater London, England, SW1A 0AA, United Kingdom | |
| British House of Lords | Palace of Westminster, The Terrace, Westminster, Millbank, London, Greater London, England, SW1A 0AA, United Kingdom | |
| British Museum (Babylon-London) | Great Russell Street, St Giles, Bloomsbury, London Borough of Camden, London, Greater London, England, WC1B 3PP, United Kingdom | |
| British Psychological Society | University College London, Euston Road, St Pancras, London Borough of Camden, London, Greater London, England, NW1 2AE, United Kingdom | |
| British Telecom (BT Group) | BT, 1, Braham Street, East Smithfield, Whitechapel, London Borough of Tower Hamlets, London, Greater London, England, E1 8AA, United Kingdom | |
| Buckingham Palace | Buckingham Palace, Buckingham Gate, Victoria, London, Greater London, England, SW1A 1AA, United Kingdom | |
| Cambridge University | The Old Schools, Trinity Lane, Newnham, Cambridge, Cambridgeshire, Cambridgeshire and Peterborough, England, CB2 1TN, United Kingdom | |
| City of London (The) | Guildhall, Guildhall Yard, Cheap, City of London, Greater London, England, EC2P 2SA, United Kingdom | |
| Commonwealth Press Union (CPU) Media Trust; Empire Press Union (1909) | Mill Lane, Newnham, Cambridge, Cambridgeshire, Cambridgeshire and Peterborough, England, CB2 1RX, United Kingdom | |
| Coutts Bank | Coutts & Co, 440, Strand, Seven Dials, Covent Garden, London, Greater London, England, WC2R 0QS, United Kingdom | |
| Daily Mail (The) | Evening Standard, 2, Derry Street, South Kensington, Royal Borough of Kensington and Chelsea, London, Greater London, England, W8 5TT, United Kingdom | |
| Daily Mirror (The) | One Canada Square, 1, Canada Square, Canary Wharf, Isle of Dogs, London Borough of Tower Hamlets, London, Greater London, England, E14 5AH, United Kingdom | |
| Daily Telegraph (The) | Pronto a Mangia, 11, Buckingham Palace Road, Victoria, London, Greater London, England, SW1W 0PP, United Kingdom | |
| Demon Music Group - BBC | Homeslice, 101, Wood Lane, London Borough of Hammersmith and Fulham, London, Greater London, England, W12 7FA, United Kingdom | |
| DLA Piper | 160, Aldersgate Street, Blackfriars, Farringdon Within, City of London, Greater London, England, EC1A 4HT, United Kingdom | |
| English-Speaking Union | 7, Charles Street, St. James's, Mayfair, London, Greater London, England, W1J 5DE, United Kingdom | |
| Facebook aka Meta | Meta, 10, Brock Street, Fitzrovia, London Borough of Camden, London, Greater London, England, NW1 3FG, United Kingdom | |
| First Imperial Press Conference, 1909 - Empire Press Union, MI6, MI5, GC&CS | Electric Cinema, 101, Wood Lane, London Borough of Hammersmith and Fulham, London, Greater London, England, W12 7FX, United Kingdom | |
| Hubble Road, Cheltenham, Gloucestershire, GL51 0EX, UK | Government Communications Headquarters, The Street, Hatherley, Fiddler's Green, Cheltenham, Gloucestershire, England, GL51 0EX, United Kingdom | |
| Google CSG | Google London, 1-13, St Giles High Street, St Giles, Bloomsbury, London Borough of Camden, London, Greater London, England, WC2H 8AG, United Kingdom | |
| Guardian (The) | Kings Place, 90, York Way, Pentonville, Barnsbury, London Borough of Islington, London, Greater London, England, N1 9AG, United Kingdom | |
| Hellfire Club and Debauchery Caves | West Wycombe School, Church Lane, West Wycombe, High Wycombe, Buckinghamshire, England, HP14 3AH, United Kingdom | |
| HSBC Bank | HSBC UK, 8, Canada Square, Canary Wharf, Poplar, London Borough of Tower Hamlets, London, Greater London, England, E14 5HQ, United Kingdom | |
| Inner Temple | Crown Office Row, Inner and Middle Temples, Farringdon Without, City of London, Greater London, England, EC4Y 7EP, United Kingdom | |
| Inns of Court | Royal Courts of Justice, Strand, St Clement Danes, Holborn, Islington, London, Greater London, England, WC2A 2LL, United Kingdom | |
| Imperial Chemical Industries (ICI) - AkzoNobel | Boston Consulting Group, 20, Manchester Square, Marylebone, London, Greater London, England, W1U 3PZ, United Kingdom | |
| JPMorgan Chase HQ | JP Morgan, 25, Bank Street, Canary Wharf, Isle of Dogs, London Borough of Tower Hamlets, London, Greater London, England, E14 5JP, United Kingdom | |
| Julia's Bureau | Burleigh Street, St Clement Danes, Covent Garden, London, Greater London, England, WC2E 7PX, United Kingdom | |
| Lenin's Grooming Residence (1902) - Pilgrim Harry Quelch | Holford Street, Pentonville, Barnsbury, London Borough of Islington, London, Greater London, England, WC1X 9QR, United Kingdom | |
| Lenin's Grooming Residence (1905) - Pilgrim MP Philip Whitwell Wilson | Percy Circus, Pentonville, Barnsbury, London Borough of Islington, London, Greater London, England, WC1X 9EU, United Kingdom | |
| Lenin's Grooming Residence (1908) - Pilgrim Harry Quelch | Tavistock Place, St Pancras, London Borough of Camden, London, Greater London, England, WC1H 9RD, United Kingdom | |
| Lenin's Grooming Residence (1911) - Richard & Harriet Bridger | Oakley Square, Somers Town, London Borough of Camden, London, Greater London, England, NW1 1NX, United Kingdom | |
| London Gazette (The) | 55, Wells Street, East Marylebone, Fitzrovia, Camden Town, City of Westminster, Greater London, England, W1T 3PQ, United Kingdom | |
| London Metals Exchange (The) | The London Metal Exchange, 10, Finsbury Square, Saint Luke's, Finsbury, London Borough of Islington, London, Greater London, England, EC2A 1AJ, United Kingdom | |
| London School of Economics (LSE) | Houghton Street, St Clement Danes, Holborn, Islington, London, Greater London, England, WC2B 4RR, United Kingdom | |
| London Stock Exchange | London Stock Exchange, 10, Paternoster Square, Bread Street, City of London, Greater London, England, EC4M 7LS, United Kingdom | |
| MI5 | 11;12, Bulleid Way, Victoria, London, Greater London, England, SW1W 9SL, United Kingdom | |
| MI6 / Secret Intelligence Service (SIS) | Secret Intelligence Service, 85, Albert Embankment, Vauxhall, London Borough of Lambeth, London, Greater London, England, SE1 7TP, United Kingdom | |
| NatWest Bank | 135, Bishopsgate, City of London, Greater London, England, EC2M 4NQ, United Kingdom | |
| NBCUniversal - London | Google London, 1-13, St Giles High Street, St Giles, Bloomsbury, London Borough of Camden, London, Greater London, England, WC2H 8AG, United Kingdom | |
| Oxford University | Broad Street, Holywell, City Centre, Oxford, Oxfordshire, England, United Kingdom | |
| Pilgrims Society (The) | London Metropolitan Archives, 40, Northampton Road, Clerkenwell Green, Clerkenwell, London Borough of Islington, London, Greater London, England, EC1R 0BA, United Kingdom | |
| Pirbright Institute (The) | Pirbright Common, Pirbright, Guildford, Surrey, England, United Kingdom | |
| Prince's Trust (The) | London, Greater London, England, United Kingdom | |
| Privy Council (The) | HM Treasury, 1, Horse Guards Road, Westminster, Millbank, London, Greater London, England, SW1A 2BQ, United Kingdom | |
| QinetiQ Group Plc | Pirbright Common, Pirbright, Guildford, Surrey, England, United Kingdom | |
| Reuters (Thomson) | Bank of America, 5, Canada Square, Canary Wharf, Poplar, London Borough of Tower Hamlets, London, Greater London, England, E14 5AQ, United Kingdom | |
| Review of Reviews (W.T. Stead) | Burleigh Street, St Clement Danes, Covent Garden, London, Greater London, England, WC2E 7PX, United Kingdom | |
| Rothschild (N.M.) & Sons Ltd. | N M Rothschild & Sons, St Swithin's Lane, Walbrook, City of London, Greater London, England, EC4N 8AL, United Kingdom | |
| Rothschild Asset Management Limited | N M Rothschild & Sons, St Swithin's Lane, Walbrook, City of London, Greater London, England, EC4N 8AL, United Kingdom | |
| Rothschild Capital Management Limited | Spencer House, 27, St. James's Place, St. James's, Mayfair, London, Greater London, England, SW1A 1NN, United Kingdom | |
| Rothschild & Co Wealth Management UK Limited | N M Rothschild & Sons, St Swithin's Lane, Walbrook, City of London, Greater London, England, EC4N 8AL, United Kingdom | |
| Rothschild, Ltd., Edmond De (Institute for Government) | 2, Carlton Gardens, St. James's, Victoria, City of Westminster, Greater London, England, SW1Y 5AA, United Kingdom | |
| Rothschild Gold Bullion Vault | Orega Hammersmith, Hammersmith Road, Brook Green, London Borough of Hammersmith and Fulham, London, Greater London, England, W6 8DA, United Kingdom | |
| Rothschild Property Ltd. | N M Rothschild & Sons, St Swithin's Lane, Walbrook, City of London, Greater London, England, EC4N 8AL, United Kingdom | |
| Royal Over-Seas League (The) | Park Place, St. James's, Mayfair, City of Westminster, Greater London, England, SW1A 1NN, United Kingdom | |
| Salvation Army (The) | Newington Causeway, Browning Estate, Elephant and Castle, London Borough of Southwark, London, Greater London, England, SE1 6TG, United Kingdom | |
| SAS (Special Air Service) | Regent's Park Barracks, Richmond House, Regents Park Estate, Fitzrovia, London Borough of Camden, London, Greater London, England, NW1 3SX, United Kingdom | |
| Scotland Yard | Great Scotland Yard, Westminster, Covent Garden, London, Greater London, England, SW1A 2HN, United Kingdom | |
| SERCO Group Plc | Bartley Way, Hook, Hart, Hampshire, England, RG27 9UY, United Kingdom | |
| St. Paul's Cathedral | St. Paul's Churchyard, Bread Street, City of London, Greater London, England, EC4M 8AD, United Kingdom | |
| Sutton Place | Woking Road, Worplesdon, Jacobs Well, Guildford, Surrey, England, GU4 7PS, United Kingdom | |
| Tavistock Institute (The) | Gee Street, Saint Luke's, Finsbury, London Borough of Islington, London, Greater London, England, EC1V 3RD, United Kingdom | |
| Telehouse London Data Centres | Gee Street, Saint Luke's, Finsbury, London Borough of Islington, London, Greater London, England, EC1V 3RD, United Kingdom | |
| Times of London (The) | London Victoria, Bridge Place, Victoria, London, Greater London, England, SW1V 1AF, United Kingdom | |
| Tower of London | Tower Hill, Trinity Place, Tower Liberty, Whitechapel, London Borough of Tower Hamlets, London, Greater London, England, EC3N 4DJ, United Kingdom | |
| University College London (UCL) | Gower Street, Fitzrovia, London Borough of Camden, London, Greater London, England, WC1E 6DE, United Kingdom | |
| Wellcome Trust (The) | Wellcome Trust, 215, Euston Road, Fitzrovia, London Borough of Camden, London, Greater London, England, NW1 2BF, United Kingdom | |
| Westminster Abbey | Dean's Yard, Westminster, Millbank, London, Greater London, England, SW1P 3JS, United Kingdom | |
| Windsor Castle | Windsor, Windsor and Maidenhead, England, United Kingdom | |
| Yahoo! Studios UK | Kimchee, 71, High Holborn, Gray's Inn, Holborn, London Borough of Camden, London, Greater London, England, WC1V 6EA, United Kingdom | |
| YMCA | 10-11, Charterhouse Square, Farringdon, Clerkenwell, London Borough of Islington, London, Greater London, England, EC1M 6EH, United Kingdom |
