- JEFFERSTONE LTDDisolved- 12766063 - Dissolved on 4 January 2022 
- JEFFERSON'S AC LTDDisolved- 14070799 - Dissolved on 11 June 2024 
- PERFORMANCE CATALYSTS LTDActive - Proposal to Strike off- 08290759 - Incorporated on 12 November 2012 
- JEFFERSONS H&S LTDActive - Proposal to Strike off- 09291816 - Incorporated on 3 November 2014 
- JEFFERSON & SON LTDActive - Proposal to Strike off- 09628063 - Incorporated on 8 June 2015 
- JEFFERSONIC UK LTDDisolved- 11706634 - Dissolved on 17 August 2021 
- JEFFERSON & SON LTDDisolved- 11752373 - Dissolved on 3 May 2022 
- JEFFERSONS AC LTDDisolved- 12921713 - Dissolved on 8 March 2022 
- DIGIAMI LTDActive - Proposal to Strike off- 11075329 - Incorporated on 21 November 2017 
- OSIRIS BARS LIMITED- NI615990 - Incorporated on 17 December 2012 
- JEFFERS & KENT .CO LTDDisolved- 12690277 - Dissolved on 9 August 2022 
- JEFFERSON HELD LP- SL017060 - Incorporated on 25 June 2014 
- J. M. JEFFERSON & SON LTD- NI621336 - Incorporated on 8 November 2013 
- JEFFERSON ECO CIC- 15232790 - Incorporated on 24 October 2023 
- JEFFERS & CO PLASTERERS LIMITEDActive - Proposal to Strike off- 10946165 - Incorporated on 5 September 2017 
- JEFFERS & CO PLASTERERS LIMITED- 11923437 - Incorporated on 3 April 2019 
- A JEFFERS LOGISTICS LTD- 15018089 - Incorporated on 21 July 2023 
- MIDDLETON JEFFERS RECRUITMENT LIMITED- 04149077 - Incorporated on 29 January 2001 
- G JEFFERS TRANSPORTATION LIMITED- 09194325 - Incorporated on 29 August 2014 
- MARK JEFFERS BOXING LTD- 13727232 - Incorporated on 6 November 2021