| Electric Airwaves | 020 7323 2770 | | Essell House, 29 Foley Street, London, W1W 7JW |  Map & Directions |
| Stormtree Internet Services | 020 7403 0953 | | Suite 85 The Hop Exchange, 24 Southwark Street, London, SE1 1TY | | Map & Directions |
| Lexington Communications | 020 7395 8949 | | 198 High Holborn, London, WC1V 7BD | | Map & Directions |
| Impact Agency Ltd | 020 7580 1770 | | 3 Bloomsbury Place, London, WC1A 2QL | | Map & Directions |
| Weber Shandwick | 020 7067 0000 | | Fox Court, 14 Gray's Inn Road, London, WC1X 8WS | | Map & Directions |
| Select First Ltd | 020 7580 6960 | | 4 Ridgmount Street, London, WC1E 7AA | | Map & Directions |
| Bishopsgate Communications | 020 7430 1600 | | 4-5 North Mews, London, WC1N 2JP | | Map & Directions |
| Strawberry Pr Ltd | 020 7436 7070 | | 1 Stedham Place, London, WC1A 1HU | | Map & Directions |
| Ruder Finn Ltd | 020 7462 8900 | | 74 New Oxford Street, London, WC1A 1EU | | Map & Directions |
| Regester Larkin | 020 7831 3839 | | 16 Doughty Street, London, WC1N 2PL | | Map & Directions |
| Bell Pottinger Corporate & Financial | 020 7861 3232 | | Holborn Gate, 330 High Holborn, London, WC1V 7QD | | Map & Directions |
| The Jackson Consultancy | 020 7323 3272 | | 33-34 Alfred Place, London, WC1E 7DP | | Map & Directions |
| Portland P R Ltd | 020 7404 5344 | | 125 High Holborn, London, WC1V 6QA | | Map & Directions |
| Bell Pottinger Public Affairs | 020 7861 2400 | | 330 High Holborn, London, WC1V 7LU | | Map & Directions |
| I-Mage Communications | 020 7631 3116 | | Museum House , 25 Museum Street , London, WC1A 1JT | | Map & Directions |
| Blanc & Otus | 020 7413 3085 | | 5-11 Theobalds Road, London, WC1X 8SH | | Map & Directions |
| Office For Public Management | 020 7239 7800 | | 252b Gray's Inn Road, London, WC1X 8XG | | Map & Directions |
| Caro Communications | 020 7336 8488 | | 16 Acton Street, London, WC1X 9NG | | Map & Directions |
| Cube Public Relations | 020 7242 5483 | | 47 Lambs Conduit Street, London, WC1N 3NG | | Map & Directions |
| Bloomsbury Communications Ltd | 020 7833 3759 | | 47a Marchmont Street, London, WC1N 1AP | | Map & Directions |
| Galliard Healthcare Communications | 020 7663 2250 | | Lincoln House, 296-302 High Holborn, London, WC1V 7JH | | Map & Directions |
| Pielle | 020 7323 1587 | | Museum House, 25 Museum Street, London, WC1A 1PL | | Map & Directions |
| Yellow Door Creative Marketing | 020 7580 0707 | | 22 Torrington Place, London, WC1E 7HJ | | Map & Directions |
| Paratus Communications | 020 7404 6691 | | 17-21 Emerald Street, London, WC1N 3QL | | Map & Directions |
| Beattie Communications | 020 7053 6000 | | 4 Great James Street, London, WC1N 3DB | | Map & Directions |
| Communique Creative Marketing Ltd | 020 7637 7893 | | 3 Bloomsbury Place , London, WC1A 2QA | | Map & Directions |
| New Century Holdings Ltd | 020 7930 8033 | | 14 Buckingham Street, London, WC2N 6DF | | Map & Directions |
| Four Communications | 0870 420 3212 | | Communications House, 48 Leicester Square, London, WC2H 7FG | | Map & Directions |
| Brunswick Group | 020 7404 5959 | | 16 Lincoln's Inn Flds, London, WC2A 3ED | | Map & Directions |
| Gmx Communications | 020 7812 6550 | | 53 Chandos Place, London, WC2N 4HS | | Map & Directions |
| Fleishman Hillard Ltd | 020 7306 9000 | | 40 Long Acre, London, WC2E 9LG | | Map & Directions |
| Ogilvy Public Relations Worldwide | 020 7404 3494 | | Chancery House, 53-64 Chancery Lane, London, WC2A 1QU | | Map & Directions |
| Mason Williams Ltd | 020 7534 6080 | | 53 Chandos Place, London, WC2N 4HS | | Map & Directions |
| Republic Pr Ltd | 020 7379 5000 | | Walter House, 418-422 Strand, London, WC2R 0PT | | Map & Directions |
| Financial Dynamics Ltd | 020 7831 3113 | | 26 Southampton Buildings, London, WC2A 1PB | | Map & Directions |
| Darling Department | 020 7379 8787 | | 19 Denmark Street, London, WC2H 8NA | | Map & Directions |
| Wynnstay Brunswick Ltd | 020 7404 5959 | | 15-19 Lincolns Inn Fields, London, WC2A 3ED | | Map & Directions |
| Phipps Public Relations Ltd | 020 7759 7400 | | 33 Long Acre, London, WC2E 9LA | | Map & Directions |
|
|
