- PHILIP PIRIE LIMITED- 04401003 - Incorporated on 21 March 2002 
- MCGUIRE PIRIE LIMITEDActive - Proposal to Strike off- SC503408 - Incorporated on 15 April 2015 
- STEVEN PIRIE LIMITEDActive - Proposal to Strike off- 09291993 - Incorporated on 3 November 2014 
- PIRIE BIZFURN LIMITEDActive - Proposal to Strike off- 09980469 - Incorporated on 1 February 2016 
- PIRIE PROPERTIES LTDDisolved- SC629546 - Dissolved on 6 June 2023 
- PIRIE INSPECTION LTDActive - Proposal to Strike off- SC632160 - Incorporated on 31 May 2019 
- PIRIE ENGINEERING LTDActive - Proposal to Strike off- 10903725 - Incorporated on 8 August 2017 
- PIRIE ENTERPRISE LTDDisolved- 13880521 - Dissolved on 22 August 2023 
- RONALD G FRASER- SL000700 - Incorporated on 10 January 1985 
- RONALDO RD LTDDisolved- 11366846 - Dissolved on 19 April 2022 
- RONALDO (SW) LTDActive - Proposal to Strike off- 10990777 - Incorporated on 2 October 2017 
- O'BRIEN VARLEY CONSULTING LIMITEDDisolved- 06373208 - Dissolved on 4 April 2023 
- LJ O'BRIEN LTD- 08082294 - Incorporated on 24 May 2012 
- DF O'BRIEN LTD- 09262077 - Incorporated on 13 October 2014 
- JO O'BRIEN LTD- 08293977 - Incorporated on 14 November 2012 
- KL O'BRIEN LTDActive - Proposal to Strike off- 10268691 - Incorporated on 8 July 2016 
- S O'BRIEN & CO LTD- 10576858 - Incorporated on 23 January 2017 
- O'BRIEN'S (SW) LTD- 14817454 - Incorporated on 20 April 2023 
- DA O'BRIEN LTDDisolved- 12956298 - Dissolved on 1 August 2023 
- O'BRIENS FITNESS C.I.C.Active - Proposal to Strike off- 08633301 - Incorporated on 1 August 2013