- BRIAN TYNAN LIMITED- 05878839 - Incorporated on 17 July 2006 
- MR BRIAN LTDActive - Proposal to Strike off- 09246737 - Incorporated on 2 October 2014 
- BRIAN PATRICK LIMITEDActive - Proposal to Strike off- SC088848 - Incorporated on 11 July 1984 
- MR. BRIAN J.MEHIGAN- NI603817 - Incorporated on 19 July 2010 
- PATRICK & BRIAN ROONEY LTD- NI058877 - Incorporated on 6 April 2006 
- BRIAN PATRICK SURFACING LTD- SC607394 - Incorporated on 6 September 2018 
- BRIAN PATRICK WOODALL LIMITED- 14210808 - Incorporated on 3 July 2022 
- CHATTIN PATRICK BRIAN LIMITEDDisolved- 15377776 - Dissolved on 3 June 2025 
- MR PATRICK J FINN (FRCS) LTDActive - Proposal to Strike off- 05040064 - Incorporated on 10 February 2004 
- P. K. TYNAN LTD- 08078148 - Incorporated on 22 May 2012 
- TYNAN LTD- 15886297 - Incorporated on 8 August 2024 
- MR PAUL BRIAN WATSON LTD- 13063879 - Incorporated on 6 December 2020 
- TYNAN DOT CO LTD- NI601115 
- MR PATRICK HOGSTON LIMITEDActive - Proposal to Strike off- 04504613 - Incorporated on 6 August 2002 
- ANN TYNAN LTDActive - Proposal to Strike off- 04545269 - Incorporated on 25 September 2002 
- TYNAN UK LTDDisolved- 14202536 - Dissolved on 30 January 2024 
- MR BRIAN CONNOR LIMITEDDisolved- SC713905 - Dissolved on 18 June 2024 
- MR BRIAN MACCORMACK LIMITEDDisolved- NI688411 - Dissolved on 29 August 2023 
- ROSS & TYNAN LLP- OC352195 - Incorporated on 9 February 2010 
- WEBBON TYNANDissolved- 07564894 - Dissolved on 14 August 2012