- SMA REWINDS LTDDisolved- 11618216 - Dissolved on 17 December 2024 
- SVS REPAIRS LTD- 12028276 - Incorporated on 3 June 2019 
- SIANNA J LTDDisolved- 14579250 - Dissolved on 11 June 2024 
- SIANTO LTDActive - Proposal to Strike off- 06715990 - Incorporated on 6 October 2008 
- SIANA-UK LTDDisolved- 11474309 - Dissolved on 27 December 2022 
- FARQUHARSON LTDActive - Proposal to Strike off- 11059845 - Incorporated on 13 November 2017 
- SIANCE LTDDisolved- 05437578 - Dissolved on 7 June 2022 
- SIAN ART LTDDisolved- 15390584 - Dissolved on 17 June 2025 
- SIANNA LTDDisolved- SC753556 - Dissolved on 28 May 2024 
- SIANSU LTD- 15473921 - Incorporated on 8 February 2024 
- SIANNI LTD- 15837281 - Incorporated on 14 July 2024 
- SIANORA PHARM LTD- 14491634 - Incorporated on 18 November 2022 
- J & B FARQUHARSON LTDDisolved- SC659223 - Dissolved on 13 July 2021 
- SIAN EGAN LTDActive - Proposal to Strike off- 10154704 - Incorporated on 28 April 2016 
- MANI SIAN LTD- 13080362 - Incorporated on 14 December 2020 
- SIANTEC LTD- 16015438 - Incorporated on 14 October 2024 
- JFL SEARCH & SELECTION LIMITEDDisolved- 00694896 - Dissolved on 20 July 2023 
- SIAN SOOR LTD- 09091643 - Incorporated on 18 June 2014 
- SIAN HOLT 4728 LTDActive - Proposal to Strike off- 10141969 - Incorporated on 22 April 2016 
- SIAN MAYO LTDDisolved- 13398458 - Dissolved on 22 August 2023