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- BEAR O'BRIEN'S LTDDisolved- 13358094 - Dissolved on 27 September 2022 
- MIKE O'BRIEN LTDDisolved- 10954957 - Dissolved on 26 September 2023 
- HERO O'BRIEN LTDActive - Proposal to Strike off- 11025732 - Incorporated on 23 October 2017 
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- PIRIE & COMPANY (PAISLEY) LIMITEDDisolved- SC017690 - Dissolved on 3 October 2023 
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- PIRIE RENOVATIONS COMPANY LTD- SC752545 - Incorporated on 7 December 2022 
- PIRIE TECHNICAL SERVICES LIMITED- SC355621 - Incorporated on 25 February 2009 
- WILLIAM PIRIE CONSULTING LTDActive - Proposal to Strike off- 09914277 - Incorporated on 14 December 2015 
- BLUE THISTLE ENTERPRISES LIMITEDActive - Proposal to Strike off- SC043911 - Incorporated on 27 September 1966 
- RONALDO LIMITED- 12081916 - Incorporated on 3 July 2019 
- RONALD HANNAH LTD- 10307889 - Incorporated on 2 August 2016 
- COZAC RONALDO LTDDisolved- 13915641 - Dissolved on 18 July 2023 
- FINLAY RONALD LTDDisolved- SC752514 - Dissolved on 27 June 2023 
- MR MR LTDActive - Proposal to Strike off- 15533685 - Incorporated on 1 March 2024 
- RONALD PIERSON LTDDisolved- 12688293 - Dissolved on 7 December 2021 
- RONALD GOLD STAR LTDDissolved- 11833385 - Dissolved on 6 July 2021 
- RONALD HOWELLS LTDDisolved- 15447889 - Dissolved on 1 July 2025 
- RONALD'S RENTALS LTD- 15931649 - Incorporated on 3 September 2024