- HAIR SERGEANT LTD- SC824722 - Incorporated on 3 October 2024 
- SERGEN N22 LIMITEDActive - Proposal to Strike off- 09262790 - Incorporated on 14 October 2014 
- SERGEY LIMITEDActive - Proposal to Strike off- 11472996 - Incorporated on 19 July 2018 
- SERGEJSTUMAKOVS LTDDisolved- 14636214 - Dissolved on 9 July 2024 
- AMBAB LTDDisolved- 15320845 - Dissolved on 6 May 2025 
- AMBAU LTD- 12232995 - Incorporated on 30 September 2019 
- AMBAA LTD- 14179112 - Incorporated on 17 June 2022 
- SERGEY TSENOV LTDActive - Proposal to Strike off- 09592677 - Incorporated on 15 May 2015 
- SERGEO LONDON LTDDisolved- 12655682 - Dissolved on 12 April 2022 
- AMBAL LTDDisolved- 13594870 - Dissolved on 27 December 2022 
- AMBAX LTD- 15925405 - Incorporated on 29 August 2024 
- SERGEANT CLIP LTD- 08679733 - Incorporated on 6 September 2013 
- SERGEY PETROV LTDActive - Proposal to Strike off- 08768553 - Incorporated on 11 November 2013 
- THE LOCK SERGEON LTDActive - Proposal to Strike off- 09020769 - Incorporated on 1 May 2014 
- SERGEY LEBEDEV LTDDisolved- 11581767 - Dissolved on 26 July 2022 
- KARINA&SERGEY LTD- SC372774 - Incorporated on 10 February 2010 
- SERGEJ EUROPE LTDDisolved- 12220157 - Dissolved on 2 November 2021 
- GREY SERGEANT LTDActive - Proposal to Strike off- 09451872 - Incorporated on 21 February 2015 
- GREEN ACRE SUPPORT SERVICES LTD- 07323517 - Incorporated on 22 July 2010 
- AMBAST LTDActive - Proposal to Strike off- 06970411 - Incorporated on 23 July 2009