- JENNER TECH LIMITEDDissolved- 10791083 - Dissolved on 5 February 2019 
- JENNER LANDSCAPES LTD- 16013027 - Incorporated on 11 October 2024 
- JENNER HOLDCO LIMITED- 16365671 - Incorporated on 4 April 2025 
- SANDRA JENNER LIMITED- 07263823 - Incorporated on 25 May 2010 
- JENNER HOMES LIMITED- 03187505 - Incorporated on 18 April 1996 
- JENNER HOUSE LIMITED- 03201521 - Incorporated on 21 May 1996 
- CHRISTOPHER JENNER LTDDisolved- 06820746 - Dissolved on 10 January 2024 
- JENNER ENGINEERING LIMITEDDissolved- 07700599 - Dissolved on 18 February 2014 
- JENNER CONSULTING LIMITED- 07513781 - Incorporated on 2 February 2011 
- JENNER CONSULTANCY LTD- 08219019 - Incorporated on 18 September 2012 
- ANDREW JENNER LIMITED- 09245345 - Incorporated on 2 October 2014 
- CLARE JENNER LIMITED- 10306179 - Incorporated on 1 August 2016 
- JENNER ESTATES LIMITED- 13573017 - Incorporated on 18 August 2021 
- JENNER ASSOCIATES LTD- 13254442 - Incorporated on 9 March 2021 
- MR JOHN BARNES DEVELOPMENTS LIMITED- 05212618 - Incorporated on 23 August 2004 
- VIRIDOR GLASS RECYCLING LIMITEDDisolved- 01353578 - Dissolved on 29 March 2022 
- JENNER ACCOUNTANTS LIMITED- 05085055 - Incorporated on 26 March 2004 
- JENNER TRADING LIMITEDDissolved- 05021822 - Dissolved on 18 June 2013 
- JENNER CONSTRUCTION LIMITEDActive - Proposal to Strike off- 08704488 - Incorporated on 24 September 2013 
- JENNER CONSTRUCTION LTD- 11777246 - Incorporated on 21 January 2019