• & A Blackburn
  Eastgate House, 16-19 Eastcastle St, LONDON, Greater London, W1W 8DA
• 2 Tempo Ltd
  67 Shaw Road, BROMLEY, Kent, BR1 5NW
• 23 Red
  20-22 Great Titchfield Street, LONDON, Greater London, W1W 8BE
• 247 Pages Ltd
  1 Browning Avenue, LONDON, Greater London, W7 1EW
• 3 Dimensional Media Ltd
  Seymour House, South Street, BROMLEY, Kent, BR1 1RH
• 360 Degrees Advertising Ltd
  49-50 Eagle Wharf Road, LONDON, Greater London, N1 7ED
• 3b UK Ltd
  Building A Long Island House, 1-4 Warple Way, LONDON, Greater London, W3 0RG
• 6 Days
  102 Chestnut Grove, NEW MALDEN, Surrey, KT3 3JS
• 86 Advertising
  A/105, Westbourne Grove, LONDON, Greater London, W2 4UW
• A Concept Ltd
  31 Oval Road, LONDON, Greater London, NW1 7EA
• A G Artwork Ltd
  413 Forest Road, Walthamstow, LONDON, Greater London, E17 5LD
• A J M Design Associates
  Crawford House, Willow St, LONDON, Greater London, E4 7EG
• A Line In The Sand Ltd
  84 Seymour Place, LONDON, Greater London, W1H 2NQ
• A M S Communications plc
  52 Doughty Street, LONDON, Greater London, WC1N 2LS
• A Sign 4 U
  PO Box 205, FELTHAM, Middlesex, TW13 6WZ
• A Solicitor Information Service Ltd
  One Brockley Close, STANMORE, Middlesex, HA7 4QL
• A-Z (International) Sales Ltd
  70 Chalk Farm Road, LONDON, Greater London, NW1 8AN
• A.D.M.E.D.I.A
  320 Regent Street, LONDON, , W1B 3BE
• A.L.B Signwriters
  21 Churchill Ave, Kenton, HARROW, Middlesex, HA3 0AX
• A.R.T Publicity
  281 Cricklewood Lane, LONDON, Greater London, NW2 2JJ
• A.R.T. Design Ltd
  The Annexe Studio 8 Clockhouse, Mead Oxshott, LEATHERHEAD, Surrey, KT22 0RW
• A.S.A Education
  Glade House, 52 Carter Lane, St Pauls, LONDON, Greater London, EC4V 5EF
• A.W.A. International Events Management Ltd
  1b Woodlands Cottage, Woodlands Avenue, WORCESTER PARK, Surrey, KT4 7AN
• A4 Catalogue Services
  20a London Road, TWICKENHAM, Middlesex, TW1 3RR
• Aaa Advertising Agency
  1 Elms Avenue, LONDON, Greater London, N10 2JN
• Aayaam Communications Ltd
  130 Pavilion Way, RUISLIP, Middlesex, HA4 9JP
• Abbott Mead Vickers Group Ltd
  151 Marylebone Road, LONDON, Greater London, NW1 5QE
• Abc Media
  2 Exmoor Street, LONDON, Greater London, W10 6BD
• Abel & Baker Ltd
  Beaumont House, Avonmore Road, LONDON, Greater London, W14 8TS
• Ability Marketing & Communications Ltd
  51 Annandale Road Greenwich, LONDON, Greater London, SE10 0DE
• Absolute Advertising
  100 Pall Mall, LONDON, Greater London, SW1Y 5HP
• Accent Direct Marketing Ltd
  12 Mastin House, Merton Road, LONDON, Greater London, SW18 5JY
• Access Translations Bureau
  127 Chiltern Drive, SURBITON, Surrey, KT5 8LS
• Accord Holdings Ltd
  The Grange, 100 High Street, LONDON, Greater London, N14 6EQ
• Acebuzz Ltd
  83 Links Avenue Gidea Park, ROMFORD, Essex, RM2 6NH
• Active International Media Ltd
  97 High Road, Byfleet, WEST BYFLEET, Surrey, KT14 7QX
• Acumen Marketing Communications Ltd
  Watermill House, Chevening Road, Chipstead, SEVENOAKS, Kent, TN13 2RY
• Acumen Partners
  186 Drury Lane, LONDON, Greater London, WC2B 5RU
• Ad-By-Design Ltd
  17 Robin Lane, Hendon, LONDON, Greater London, NW4 1EU
• Ad-Exchange UK Ltd
  57 Warwick Road, Earls Court, LONDON, Greater London, SW5 9HB
• Adavenue Ltd
  4 Hurstlands Close, HORNCHURCH, Essex, RM11 1PL
• Adazzle Ltd
  53 Southwood Lane, LONDON, Greater London, N6 5DX
• Adconnection Ltd
  10 Beulah Road, LONDON, Greater London, SW19 3SB
• Addicted To Property Ltd
  Berries, 25 Uplands Way, SEVENOAKS, Kent, TN13 3BW
• Adgrafix
  Heathfield House, 430 Archway Road, LONDON, Greater London, N6 4JH
• Adland Ltd
  43 The Highway, SUTTON, Surrey, SM2 5QS
• Adlease Trailers Ltd
  78 Downsell Road, Leyton, LONDON, Greater London, E15 2BU
• Adlink International UK Ltd
  15 Kensington High Street, LONDON, Greater London, W8 5NP
• Admark Ltd
  Toronto House, 128-132 Crossbrook St, Cheshunt, WALTHAM CROSS, Hertfordshire, EN8 8JH
• Adrenalin Advertising
  20 Grosvenor Place, LONDON, Greater London, SW1X 7HN
• Adrian Creative Imaging Ltd
  75 Biggin Hill, Upper Norwood, LONDON, Greater London, SE19 3HT
• Adtowin Ltd
  15 Gaywood Road, ASHTEAD, Surrey, KT21 1BL
• Advanced Communication Systems Design Ltd
  Suite 318 Kemp House, 152-160 City Road, LONDON, Greater London, EC1V 2NX
• Adventure Marketing
  Watermill House, Chevening Road, Chipstead, SEVENOAKS, Kent, TN13 2RY
• Advertising & Promotion UK Ltd
  37 Duke Street, LONDON, , W1U 1LN
• Advertising.Com
  11-20 Capper Street, LONDON, Greater London, WC1E 6JA
• Afton Graphics Ltd
  Afton House, 95 Hitchen Hatch Lane, SEVENOAKS, Kent, TN13 3BE
• Aga Consultants Llp
  Epworth House, 25 City Road, LONDON, Greater London, EC1Y 1AA
• Agency Inc
  47-49 High Street, KINGSTON UPON THAMES, Surrey, KT1 1LQ
• Agency Republic
  The Glassmill, 1 Battersea Bridge Road, LONDON, Greater London, SW11 3BZ
• Agency.Com
  85 Strand, LONDON, Greater London, WC2R 0DW
• Agency.Com Ltd
  239 Old Marylebone Road, LONDON, Greater London, NW1 5QT
• Agi Agencies Ltd
  169 Linden Avenue, RUISLIP, Middlesex, HA4 8TY
• Aia Communications Ltd
  67-69 Whitfield Street, LONDON, Greater London, W1T 4HF
• Aia Holdings Ltd
  5 St Johns Lane, LONDON, Greater London, EC1M 4QH
• Akwan Strategic Media Ltd
  Elmcote House, The Green, Croxley Green, RICKMANSWORTH, Hertfordshire, WD3 3HN
• Alan Murphy
  42 Georgina St, LONDON, Greater London, NW1 0EB
• Albion Brand Communication Ltd
  Tea Building, 56 Shoreditch High Street, LONDON, Greater London, E1 6JJ
• Alchemy Communication Partnership
  35 Stukeley St, LONDON, Greater London, WC2B 5LT
• Alguero Communications Ltd
  Suite 5 The Sanctuary, 23 Oak Hill Grove, SURBITON, Surrey, KT6 6DU
• Ali Media Group Ltd
  12 Ronald Street, LONDON, Greater London, E1 0DT
• All About Students Ltd
  36 Vincent Gardens, Neasden, LONDON, Greater London, NW2 7RP
• All Response Media North Ltd
  14-17 ST. John's Square, LONDON, Greater London, EC1M 4NL
• Allmond Partnership
  82 Charing Cross Road, LONDON, Greater London, WC2H 0BA
• Aloha Advertising
  Morley House, 320 Regent Street, LONDON, Greater London, W1B 3BQ
• Alphabet Advertising Ltd
  Lycos House 3 Sutton Lane, LONDON, Greater London, EC1M 5PU
• Alvista Design Ltd
  675 Pinner Road, PINNER, Middlesex, HA5 5QZ
• Ambient Media Sales Ltd
  Flat 3 35 St Edmunds Terrace, LONDON, Greater London, NW8 7QN
• Ambridge Signs
  9 Englefield Road, LONDON, Greater London, N1 4JL
• Ams Media Group Ltd
  150-158 King's Cross Road, LONDON, Greater London, WC1X 9DH
• And Advertising Ltd
  River House, 143-145 Farringdon Road, LONDON, Greater London, EC1R 3AB
• Anderson Hearn Keene Ltd
  5-9 Eden Street, KINGSTON UPON THAMES, Surrey, KT1 1BQ
• Andrew Keeble Associates Ltd
  23 Boyes Crescent London Colney, St Albans, London Colney, ST ALBANS, Hertfordshire, AL2 1UB
• Anglo Plugging
  Fulham Palace, Bishops Avenue, LONDON, Greater London, SW6 6EA
• Anniemations Ltd
  487 Becontree Avenue, DAGENHAM, Essex, RM8 3JA
• Antidote Ltd
  24a Litchfield Street, LONDON, Greater London, WC2H 9NJ
• Anywhichway Creative Ltd
  52 Southwell Grove Road, LONDON, Greater London, E11 4PP
• Apache Advertising
  1 Leicester Place, Queens House, LONDON, , WC2H 7BP
• Apex Media & Advertising Co
  29 Dering Street, LONDON, Greater London, W1S 1AP
• Appco Direct Ltd
  Studio 320 Highgate Studios, 53-79 Highgate Road, LONDON, Greater London, NW5 1TL
• Appco Energy Direct Ltd
  Studio 320 Highgate Studios, 53-79 Highgate Road, LONDON, Greater London, NW5 1TL
• Approved Index Ltd
  16 Alkerden Road, Chiswick, LONDON, Greater London, W4 2HP
• Aqueduct Design & Advertising
  85 Clerkenwell Road, LONDON, Greater London, EC1R 5AR
• Archer Shields
  1 Hippodrome Place, LONDON, Greater London, W11 4NG
• Archibald Ingall Stretton
  Berners House, 47-48 Berners Street, LONDON, Greater London, W1T 3NF
• Argent Smith
  6 Middleton Buildings, Langham Street, LONDON, Greater London, W1W 7TE
• Arkwright Advertising
  Unit 309 Coppergate House, 16 Brune Street, LONDON, Greater London, E1 7NJ
• Arkwright Advertising Publicity & Ideas Ltd
  178 Ashford Court, LONDON, Greater London, NW2 6BU
• Armando Testa Ltd
  Gainsborough House, 81 Oxford Street, LONDON, Greater London, W1D 2EU
• Arnold S Card Collection Ltd
  17 Towncourt Crescent, ORPINGTON, Kent, BR5 1PG
• Arrowred Ltd
  35 Keslake Road, LONDON, Greater London, NW6 6DJ
• Art & Design Ltd
  29 Crescent Way, Norbury, LONDON, Greater London, SW16 3AL
• Art House Associates Ltd
  1 Royal Court, Finland Street, LONDON, Greater London, SE16 7TA
• Art Science
  3-5 Hardwidge Street, LONDON, Greater London, SE1 3SY
• Arthur Pottersman
  Flat D, 33 Redington Road, London, Greater London, NW3 7QY
• Artillo Ltd
  26 Heath Way, Northumberland Heath, ERITH, Kent, DA8 3LY
• Arts & Leisure Advertising
  57-60 Chrlotte Rd, LONDON, Greater London, EC2A 3QT
• Asa Productions Ltd
  62 Sharsted Street, LONDON, Greater London, SE17 3TN
• Ashington Computer Services Ltd
  14 Stambourne Way, WEST WICKHAM, Kent, BR4 9NF
• Aspect Design
  16 Daneland, BARNET, Hertfordshire, EN4 8PY
• Aspire Media Group
  9-13 Fulham High Street, LONDON, Greater London, SW6 3JH
• Associates In Advertising Ltd
  5 St Johns Lane, LONDON, Greater London, EC1M 4BH
• Aston & Hayes Image Consultancy
  5 Lansdowne Mews, LONDON, Greater London, W11 3AN
• Aston + Hayes Image Products Ltd
  5 Lansdowne Mews, LONDON, Greater London, W11 3AN
• Astrolabe Communications Ltd
  104 Lancaster Gate, LONDON, Greater London, W2 3NT
• Atlas Advertising
  10 Welbeck Street, LONDON, Greater London, W1G 9YA
• Atlas Key Media
  Unit 33 Kings Exchange, Tileyard Road, LONDON, Greater London, N7 9AH
• Atmospheric Estate Agents Personnel
  30 Beechwood Avenue, GREENFORD, Middlesex, UB6 9UA
• Austin West Media Ltd
  New Premier House, 150 Southampton Row, LONDON, Greater London, WC1B 5AL
• Autobuyer.Co.Uk Ltd
  Northway House, 1379 High Road, LONDON, Greater London, N20 9LP
• Avanti Screenmedia Group plc
  150 Holborn, LONDON, Greater London, EC1N 2NS
• Axalia Communications Ltd
  3 Romanhurst Gardens Shortlands, BROMLEY, Kent, BR2 0PA
• Axis Advertisting & Marketing
  5 Square Rigger Row, LONDON, Greater London, SW11 3TZ
• Axis Media Services
  Wedgewood Mews 4, 12 Greek St, LONDON, Greater London, W1D 4AY
• Axis Sales & Marketing Ltd
  South Villa, Vale of Health, LONDON, Greater London, NW3 1AX
• B & B Services (Consultants) Ltd
  46 Severnoaks Road, ORPINGTON, Kent, BR6 9JL
• B & W Design Services (London) Ltd
  217 The Broadway, SOUTHALL, Middlesex, UB1 1NB
• B 2 C Agency
  Unit 317/18 Plaza 535, Kings Road, LONDON, Greater London, SW10 0SZ
• B J Blake Illustrations Ltd
  40a Donaldson Road, Queens Park, LONDON, Greater London, NW6 6NG
• B O D Promotions Ltd
  Woburn House, Tavistock House, LONDON, Greater London, WC1H 0EP
• B'Lowfish Advertising
  Natraj Building 55, Bermondsey Street, LONDON, Greater London, SE1 3XG
• B.P.N Leberl
  3 Duke St, LONDON, Greater London, W1U 3ED
• BBP & H
  Unit 5, Clerkenwell Chambers, 82-84 Clerkenwell Road, LONDON, Greater London, EC1M 5RF
• BM Advertising Ltd
  26 Oldhill Street, LONDON, Greater London, N16 6LB
• BNB Recruitment Holdings Ltd
  30 Farrington St, LONDON, Greater London, EC4A 4EA
• BPS Creative Ltd
  16 Hanson Street, LONDON, Greater London, W1W 6UD
• BSP Creative Ltd
  158 Hurlingham Road, LONDON, Greater London, SW6 3NG
• Bakura Contracts Ltd
  70 North End Road, West Kensington, LONDON, Greater London, W14 9EP
• Balen Ltd
  13 Ascot Road, LONDON, Greater London, N18 2PU
• Bamber Forsyth Ltd
  1-5 Midford Place, LONDON, Greater London, W1T 5BQ
• Bamboozle Design Ltd
  5 Kingsholm Gardens, Eltham, LONDON, Greater London, SE9 6LB
• Banc
  Heddon House, 149 Regent Street, LONDON, Greater London, W1B 4BA
• Bang The Drum
  The Business Centre, 5 Clarendon Road, LONDON, Greater London, N22 6XJ
• Bari Ltd
  6 Cropthorne Court, Maida Vale, LONDON, Greater London, W9 1TA
• Barrett Cernis
  77 Long Acre, LONDON, Greater London, WC2E 9LB
• Barry Gowers Advertising Ltd
  Woolverstone House, 61/62 Burners Street, LONDON, Greater London, W1T 3NQ
• Bartle Bogle Hegarty Ltd