- SEBASTIAN SOWINSKI LTD- 10239453 - Incorporated on 20 June 2016 
- SEBASTIAN BUILDERS LIMITEDActive - Proposal to Strike off- 10332427 - Incorporated on 16 August 2016 
- SEBASTIAN&CORPORATION LIMITEDDisolved- 13420704 - Dissolved on 1 November 2022 
- SEBASTIAN ZIABKA LIMITED- 12178649 - Incorporated on 28 August 2019 
- SEBASTIAN ALEXANDER LIMITEDActive - Proposal to Strike off- 09697289 - Incorporated on 22 July 2015 
- CHARLES SEBASTIAN LTDActive - Proposal to Strike off- 09734999 - Incorporated on 16 August 2015 
- SEBASTIAN RECYCLERS LIMITEDActive - Proposal to Strike off- 09776575 - Incorporated on 14 September 2015 
- SEBASTIAN MEDICAL LTDActive - Proposal to Strike off- 09893519 - Incorporated on 30 November 2015 
- SEBASTIAN RAIL LIMITED- 11834579 - Incorporated on 19 February 2019 
- SEBASTIAN DOBREA LTDDisolved- 11836373 - Dissolved on 13 July 2021 
- SEBASTIAN HEDMAN LIMITEDActive - Proposal to Strike off- 09513356 - Incorporated on 27 March 2015 
- SEBASTIAN RAJCHEL LIMITEDDisolved- 09549973 - Dissolved on 25 January 2022 
- THOMAS & SEBASTIAN LIMITED- 09614016 - Incorporated on 29 May 2015 
- SEBASTIAN TOMAS LTDDisolved- 12864026 - Dissolved on 24 January 2023 
- SEBASTIAN LAURENTIU LTDDisolved- 12864018 - Dissolved on 15 February 2022 
- SEBASTIAN CONSTRUCTION LTDActive - Proposal to Strike off- 09942252 - Incorporated on 8 January 2016 
- SEBASTIAN WOLF LIMITEDDisolved- 10356328 - Dissolved on 17 May 2022 
- SEBASTIAN MATUSZKIEWICZ LTDActive - Proposal to Strike off- 10506964 - Incorporated on 1 December 2016 
- SEBASTIAN DALCA LTDActive - Proposal to Strike off- 10740413 - Incorporated on 25 April 2017 
- SEBASTIAN SIGNS LIMITED- 10784607 - Incorporated on 23 May 2017