- SEBASTIAN C S LIMITEDDisolved- 13002798 - Dissolved on 31 January 2023 
- SEBASTIAN G AVRAM LTDDisolved- 13932916 - Dissolved on 1 August 2023 
- SEBASTIAN SCOTT LIMITED- 07110308 - Incorporated on 21 December 2009 
- BELLE & SEBASTIAN LIMITEDDissolved- 08104984 - Dissolved on 26 November 2019 
- SEBASTIAN INTERNATIONAL LIMITEDDissolved- 06819653 - Dissolved on 8 March 2011 
- SEBASTIAN BYRNE LIMITEDDissolved- 07215382 - Dissolved on 22 November 2011 
- SEBASTIAN LONDON LTD- 07283109 - Incorporated on 14 June 2010 
- SEBASTIAN STERNBERG LTD- 07393712 - Incorporated on 1 October 2010 
- SEBASTIAN STREET LTDActive - Proposal to Strike off- 08102926 - Incorporated on 13 June 2012 
- SEBASTIAN & ASSOCIATES LLPDissolved- OC373946 - Dissolved on 12 November 2013 
- SEBASTIAN MEAKIN LIMITED- 05493626 - Incorporated on 28 June 2005 
- SEBASTIAN MORGAN LIMITED- 03723946 - Incorporated on 2 March 1999 
- SEBASTIAN GEORGE LIMITED- 08251831 - Incorporated on 12 October 2012 
- SEBASTIAN OLIVER LTDActive - Proposal to Strike off- 08275799 - Incorporated on 31 October 2012 
- SEBASTIAN CHASE LLPActive - Proposal to Strike off- OC392743 - Incorporated on 17 April 2014 
- DAVID SEBASTIAN LIMITED- 08788210 - Incorporated on 25 November 2013 
- SEBASTIAN RIEMANN LIMITED- 08395913 - Incorporated on 8 February 2013 
- SEBASTIAN MATEJ LIMITEDActive - Proposal to Strike off- 09114273 - Incorporated on 3 July 2014 
- ADAM SEBASTIAN LIMITEDActive - Proposal to Strike off- 09144877 - Incorporated on 23 July 2014 
- SEBASTIAN GORZKO LTD- 09223283 - Incorporated on 17 September 2014