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- HARDING & HARDING LIMITED- 16029012 - Incorporated on 20 October 2024 
- S&H SUPPORT LTD- 08969603 - Incorporated on 1 April 2014 
- STEFFY PVT LTDActive - Proposal to Strike off- 08256977 - Incorporated on 17 October 2012 
- STEFF2CARE LTDDisolved- 13762719 - Dissolved on 16 May 2023 
- STEFFI'S CARE LTD- 13976417 - Incorporated on 15 March 2022 
- HARDING & HARDING LLP- OC327470 - Incorporated on 12 April 2007 
- TANYA DIMITROVA LIMITEDLiquidation- 04816997 - Incorporated on 1 July 2003 - 1A Beethoven Street, London, W10 4LG 
- PURITY & BRILLIANCE LTD- 09465551 - Incorporated on 2 March 2015 
- STEFF SEPRO LTDActive - Proposal to Strike off- 10794161 - Incorporated on 30 May 2017 
- STEFF SPARK LTDDisolved- 12526251 - Dissolved on 7 December 2021 
- STEFF TRANS LTDDisolved- 14450615 - Dissolved on 11 February 2025 
- STEFF HOUSE LTD- 16400942 - Incorporated on 22 April 2025 
- STEFFMART LTDDisolved- 14693376 - Dissolved on 24 December 2024 
- STEFFI LIMITEDActive - Proposal to Strike off- 10504078 - Incorporated on 30 November 2016 
- STEFF DESIGN LIMITED- 12012211 - Incorporated on 22 May 2019 
- STEFF MOTORS LIMITEDActive - Proposal to Strike off- 08033430 - Incorporated on 17 April 2012 
- STEFF-ARTIST LTDActive - Proposal to Strike off- 08586011 - Incorporated on 26 June 2013 
- STEFF INTERIORS LTDDisolved- 13288171 - Dissolved on 20 February 2024 
- STEFF-ANNIE LIMITED- 13936955 - Incorporated on 24 February 2022