- OHM MEDIA LTDType: Advertising agenciesIncorporated: 20 January 2025
- DIGITAL SPARK INCORPORATED LTDType: Advertising agenciesIncorporated: 26 April 2024
- ONE DOWN FOUR UP LTDType: Advertising agenciesIncorporated: 26 April 2024
- PINNERNOIR LTDType: Advertising agenciesIncorporated: 18 April 2024
- FOR EXAMPLE STUDIO LTDType: PR and communicationsIncorporated: 23 August 2022
- KALEIDOSCOPE SOCIAL LTDType: Advertising agenciesIncorporated: 21 April 2022
- DOUBLE COMMUNICATIONS LIMITEDType: PR and communicationsIncorporated: 7 April 2022
- KALOS COMMUNICATIONS LTDType: PR and communicationsIncorporated: 4 March 2022
- CMDI LIMITEDType: PR and communicationsIncorporated: 29 April 2020
- DUNAMIS CLINICS LTDType: Advertising agenciesIncorporated: 4 November 2019
- LJ SPORT COMMUNICATIONS LTDType: Media representationIncorporated: 21 February 2018
- MEASURED MEDIA CONSULTING LTDType: Market research and pollingIncorporated: 13 October 2017
- HAUS2 LTDType: Advertising agenciesIncorporated: 30 December 2015
- ENABLE LONDON LTDType: Advertising agenciesIncorporated: 28 January 2015
- PERSONA COMMUNICATIONS LIMITEDType: PR and communicationsIncorporated: 17 April 2014
- CHARTRES COMMUNICATIONS LTDType: PR and communicationsIncorporated: 4 February 2014
- BRIGHT PARTNERSHIPS WORLDWIDE LIMITEDType: Advertising agenciesIncorporated: 31 December 2013
- RED DAFFODIL RESEARCH LIMITEDType: Market research and pollingIncorporated: 24 January 2013
- HEADLIGHT COMMUNICATIONS LTDType: PR and communicationsIncorporated: 10 October 2012
- DAVID COOMBS ASSOCIATES LIMITEDType: PR and communicationsIncorporated: 11 March 2011
- MEDIA MINDS GLOBAL LTDType: Advertising agenciesIncorporated: 23 July 2009
- SMART PEOPLE (LONDON) LIMITEDType: PR and communicationsIncorporated: 16 December 2008
- AMAYSE LTDType: Media representationIncorporated: 8 January 2008
- RED GIANT PROJECTS LIMITEDType: Media representationIncorporated: 25 January 2001
- A.D.COMMUNICATIONS LIMITEDType: PR and communicationsIncorporated: 26 January 1984
- INTERNATIONAL ADVERTISING ASSOCIATION UNITED KINGDOMCHAPTER LIMITEDType: Advertising agenciesIncorporated: 9 May 1962