- IMPACT PR & COMMUNICATIONS LTDType: PR and communicationsIncorporated: 20 December 2019
- ARDMORE MEDIA LIMITEDType: Advertising agenciesIncorporated: 22 August 2019
- MASH COMMS LIMITEDType: PR and communicationsIncorporated: 23 March 2018
- ICARUS COMMUNICATIONS LTDType: Advertising agenciesIncorporated: 1 June 2015
- HIGHBURY MARKETING LTDType: Advertising agenciesIncorporated: 6 September 2013
- LIGHTHOUSE N.I. LTDType: PR and communicationsIncorporated: 12 April 2012
- ARDMORE ADVERTISING & MARKETING LIMITEDType: Advertising agenciesIncorporated: 26 October 1988