- SIRGEE LTD- 14183313 - Incorporated on 20 June 2022 
- SIR GOOD LTDDisolved- 13566180 - Dissolved on 26 September 2023 
- SIROKO LTD- 14970837 - Incorporated on 29 June 2023 
- SIRIUS1000 LTDDisolved- 14978160 - Dissolved on 10 December 2024 
- SIRMAD LTD- 14462615 - Incorporated on 4 November 2022 
- SIRDEM LTD- 14546361 - Incorporated on 16 December 2022 
- SIRAHA LTD- 15334406 - Incorporated on 7 December 2023 
- SIRJYS LTD- 15168404 - Incorporated on 27 September 2023 
- SIRVEZ LTDDisolved- 13118611 - Dissolved on 27 August 2024 
- AS-SIRAT LTDDisolved- 13040480 - Dissolved on 29 April 2025 
- SIRSCO LTD- 12979427 - Incorporated on 28 October 2020 
- SIRINE LTD- 15660048 - Incorporated on 19 April 2024 
- SIRIUS 24 LTD- 15762677 - Incorporated on 5 June 2024 
- SIR NUDE LTD- 15853883 - Incorporated on 23 July 2024 
- SIRKET LTD- 16438143 - Incorporated on 8 May 2025 
- I.G.P. SIRIUS LLPActive - Proposal to Strike off- OC311963 - Incorporated on 4 March 2005 
- SIROMA LTD- 06646340 - Incorporated on 15 July 2008 
- SIROKO LTDActive - Proposal to Strike off- 07602599 - Incorporated on 13 April 2011 
- SIROCCO LP- LP014516 - Incorporated on 27 June 2011 
- SIRWAN LTDActive - Proposal to Strike off- 08214814 - Incorporated on 14 September 2012