- THE FINANCIAL TIMES (JAPAN) LIMITEDType: Media representationIncorporated: 15 February 1982
- THE FINANCIAL TIMES (OVERSEAS) LIMITEDType: Media representationIncorporated: 15 February 1982
- MEDIAPLUS UK (LONDON) LTDType: Advertising agenciesIncorporated: 15 December 1981
- GRAYLING UK LIMITEDType: PR and communicationsIncorporated: 28 October 1981
- RAPP LIMITEDType: Advertising agenciesIncorporated: 21 August 1981
- NEXT 15 GROUP PLCType: PR and communicationsIncorporated: 12 August 1981
- BLACK SUN LIMITEDType: PR and communicationsIncorporated: 22 April 1981
- WPP BRANDS (EUROPE) LIMITEDType: Advertising agenciesIncorporated: 29 October 1980
- PORTLAND OUTDOOR ADVERTISING LIMITEDType: Advertising agenciesIncorporated: 30 June 1980
- WEAVE HEALTH LIMITEDType: Advertising agenciesIncorporated: 18 April 1980
- LAVERY ROWE ADVERTISING LIMITEDType: Advertising agenciesIncorporated: 27 February 1980
- MINTEL GROUP LTDType: Market research and pollingIncorporated: 29 January 1980
- FIVE BY FIVE LIMITEDType: Advertising agenciesIncorporated: 20 August 1979
- BAUER MEDIA OUTDOOR OVERSEAS LIMITEDType: Advertising agenciesIncorporated: 3 August 1979
- STEIN IAS HOLDINGS LIMITEDType: Advertising agenciesIncorporated: 23 May 1979
- E.S.A. (MARKET RESEARCH) LIMITEDType: Market research and pollingIncorporated: 22 May 1979
- COMMERCIAL BREAKS (LONDON) LIMITEDType: Advertising agenciesIncorporated: 21 July 1978
- MCCANN-ERICKSON ADVERTISING LIMITEDType: Advertising agenciesIncorporated: 7 June 1978
- DESIGNORY UK LIMITEDType: Advertising agenciesIncorporated: 9 May 1978
- JOHN AYLING AND ASSOCIATES LIMITEDType: Advertising agenciesIncorporated: 24 April 1978
- FOX IPL LIMITEDType: Advertising agenciesIncorporated: 13 December 1977
- THE LEADING HOTELS OF THE WORLD LIMITEDType: Advertising agenciesIncorporated: 27 October 1977
- B P S COMMUNICATIONS LIMITEDType: Advertising agenciesIncorporated: 23 August 1977
- CORDIANT COMMUNICATIONS GROUP LIMITEDType: Advertising agenciesIncorporated: 11 July 1977
- P.O.A. HOLDINGS LIMITEDType: Advertising agenciesIncorporated: 5 July 1976
- INIZIO ENGAGE XD LIMITEDType: Advertising agenciesIncorporated: 12 February 1976
- MARTIN BUTLER ASSOCIATES LIMITEDType: Advertising agenciesIncorporated: 24 October 1975
- MEDIA CAMPAIGN LIMITEDType: Advertising agenciesIncorporated: 7 August 1975
- THE FINANCIAL TIMES (SPAIN) LIMITEDType: Media representationIncorporated: 30 May 1975
- MADISON BELL LIMITEDType: Advertising agenciesIncorporated: 28 April 1975
- MEDIABRANDS EMEA LIMITEDType: Advertising agenciesIncorporated: 3 April 1975
- GAIN THEORY LIMITEDType: Media representationIncorporated: 5 October 1973
- LAKE COMMUNICATIONS LTD.Type: Market research and pollingIncorporated: 3 August 1973
- PORTER NOVELLI LIMITEDType: PR and communicationsIncorporated: 13 March 1973
- THE GROVE MEDIA LIMITEDType: Advertising agenciesIncorporated: 24 October 1972
- PUBLICIS HEALTHCARE COMMUNICATIONS GROUP LIMITEDType: Advertising agenciesIncorporated: 15 September 1972
- PUBLICIS LIMITEDType: Advertising agenciesIncorporated: 14 March 1972
- GORDON & FRENCH LTDType: Media representationIncorporated: 26 January 1972
- CONFRAD INTERNATIONAL LIMITEDType: Media representationIncorporated: 19 January 1972
- VP COMMUNICATIONS LIMITEDType: Media representationIncorporated: 3 December 1971
- OMNICOM CONTENT EXPERIENCES LIMITEDType: Advertising agenciesIncorporated: 4 November 1971
- PLUS FOUR MARKET RESEARCH LIMITEDType: Market research and pollingIncorporated: 24 March 1971
- WELLCOM LONDON LIMITEDType: Media representationIncorporated: 13 May 1970
- MARKETING SERVICES (TRAVEL AND TOURISM) LIMITEDType: Media representationIncorporated: 28 November 1969
- SNAPSHOTS PUBLICATIONS LIMITEDType: Market research and pollingIncorporated: 29 August 1969
- BAUER MEDIA OUTDOOR UK LIMITEDType: Advertising agenciesIncorporated: 24 March 1969
- UGLY ENTERPRISES LIMITEDType: Advertising agenciesIncorporated: 28 February 1969
- IPSOS (MARKET RESEARCH) LTDType: Market research and pollingIncorporated: 21 February 1969
- ADAM&EVE\TBWA LIMITEDType: Advertising agenciesIncorporated: 11 June 1968
- PG MEDIA SERVICES LIMITEDType: Advertising agenciesIncorporated: 30 January 1968