- SIR SPICE LTDDisolved- SC778346 - Dissolved on 10 June 2025 
- SIR SKUNK LIMITED- 15232198 - Incorporated on 24 October 2023 
- SIR SIMPSON LTDActive - Proposal to Strike off- 07546460 - Incorporated on 1 March 2011 
- SIR TAX LIMITED- 07601931 - Incorporated on 12 April 2011 
- SIR-FETCH LIMITEDDissolved- 08363647 - Dissolved on 5 August 2014 
- ALTEN SIR LTDActive - Proposal to Strike off- 08621523 - Incorporated on 23 July 2013 
- SIR THOMAS LTD- 09282615 - Incorporated on 27 October 2014 
- SIR PIGSLEY LIMITEDDisolved- 09457793 - Dissolved on 5 March 2024 
- SIR HP LIMITED- 06273038 - Incorporated on 7 June 2007 
- SIR RIVERS LIMITED- 06182038 - Incorporated on 23 March 2007 
- SIR COSMETICS LTD- 06151387 - Incorporated on 12 March 2007 
- SIR ENTERPRISES LIMITED- 05011450 - Incorporated on 9 January 2004 
- SIR AFFAIRS LIMITEDActive - Proposal to Strike off- 10232695 - Incorporated on 15 June 2016 
- SIR GOTALOT LIMITEDActive - Proposal to Strike off- 10431218 - Incorporated on 17 October 2016 
- SIR MOTORS LTD- 14308402 - Incorporated on 20 August 2022 
- SIR ACADEMY LIMITED- SC743551 - Incorporated on 6 September 2022 
- SIR HOLDINGS LTD- 16252116 - Incorporated on 14 February 2025 
- SIR PROPERTY LTD- 16255232 - Incorporated on 17 February 2025 
- SIR SHISHA LTD- 16354386 - Incorporated on 31 March 2025 
- ADB ENTERPRISES LIMITEDActive - Proposal to Strike off- 08446267 - Incorporated on 15 March 2013