- CIARAN MAILEY LTDDisolved- NI691691 - Dissolved on 12 March 2024 
- CIARAN BANNON LTD- 10242832 - Incorporated on 21 June 2016 
- CIARAN MURPHY LTD- 11953744 - Incorporated on 18 April 2019 
- CIARAN BARKER LTD- 15761066 - Incorporated on 4 June 2024 
- CIARAN MCGIVERN LTDActive - Proposal to Strike off- 11162752 - Incorporated on 22 January 2018 
- CIARAN O'CONNELL LIMITED- 03770132 - Incorporated on 13 May 1999 
- CIARAN MCALLISTER LTDActive - Proposal to Strike off- 10908757 - Incorporated on 10 August 2017 
- CIARAN MALIK LIMITED- 15911215 - Incorporated on 22 August 2024 
- CIARANAMO LIMITEDDissolved- 06712362 - Dissolved on 11 May 2010 
- CIARAN REES LIMITEDActive - Proposal to Strike off- 10842551 - Incorporated on 29 June 2017 
- CIARAN ROY TURNER LTDDisolved- 13865662 - Dissolved on 9 January 2024 
- CIARAN MCHALE.COM LIMITEDDisolved- 08279331 - Dissolved on 11 April 2023 
- CIARAN STOW LIMITEDActive - Proposal to Strike off- NI658149 - Incorporated on 8 January 2019 
- PROF. CIARAN DONEGAN- NI624760 - Incorporated on 22 May 2014 
- CIARAN WALSH LIMITED- 07885191 - Incorporated on 16 December 2011 
- CIARAN MCGUIRE 6962 LTDActive - Proposal to Strike off- 10411146 - Incorporated on 5 October 2016 
- DR. CIARAN COSGRAVE- NI619399 - Incorporated on 18 July 2013 
- CIARAN GORMLEY LTDDisolved- 12907284 - Dissolved on 1 March 2022 
- KAYDEN & CIARAN SONS LTDDisolved- 13040854 - Dissolved on 26 April 2022 
- CIARAN ASPELL LIMITEDActive - Proposal to Strike off- 07130105 - Incorporated on 19 January 2010