- JENNER FENTON SLADE LIMITEDLiquidation- 01493777 - Incorporated on 28 April 1980 
- MARK JENNER ASSOCIATES LIMITED- 05084293 - Incorporated on 25 March 2004 
- JENNER ROAD (FREEHOLD) LIMITED- 05018453 - Incorporated on 19 January 2004 
- KAREN JENNER CONSULTING LIMITEDDisolved- 07319287 - Dissolved on 16 July 2024 
- JENNER COURT FREEHOLD LIMITED- 08638329 - Incorporated on 5 August 2013 
- JENNER COMMERCIAL PLASTERING LTDActive - Proposal to Strike off- 12067939 - Incorporated on 25 June 2019 
- KATY JENNER TRAVEL LIMITEDActive - Proposal to Strike off- 13028575 - Incorporated on 18 November 2020 
- JENNER HEALTHCARE CONSULTANCY LTD- 13508898 - Incorporated on 13 July 2021 
- JENNER MEDICAL CONSULTANCY LTD- 14628661 - Incorporated on 31 January 2023 
- BRIAN JOHNSTON & CO (INSURANCE BROKERS) LIMITED- 01997775 - Incorporated on 10 March 1986 
- A C JENNER HOLDINGS LIMITED- 08503213 - Incorporated on 24 April 2013 
- MR & MRS LARK LTDDissolved- 08146557 - Dissolved on 26 November 2019 
- BRIAN JOHNSTON FINANCIAL PLANNING LIMITEDActive - Proposal to Strike off- 04145481 - Incorporated on 22 January 2001 
- BRIAN JOHNSTON (PUBLIC SECTOR) CONSULTING LTDActive - Proposal to Strike off- 07523175 - Incorporated on 9 February 2011 
- JENNER'S PHARMACY LIMITEDDisolved- 03965486 - Dissolved on 4 January 2022 
- D. R. JENNER FLOORING LIMITEDDisolved- 05065330 - Dissolved on 8 March 2022 
- MR NEVILLE JOHNSON & MISS OLIVIA JOHNSON (COVENTRY BS UK) LTDDisolved- 13517361 - Dissolved on 5 September 2023 
- MR NEVILLE JOHNSON AND MRS ANNA JOHNSON (THE FOX AT WALMLEY SUTTON COLDFIELD) UK LIMITEDDissolved- 09176000 - Dissolved on 29 March 2016 
- MR NEVILLE JOHNSON & MRS RHIAN JOHNSON (EASYCASH) (SHELL) (TITANIUM-MURCO) B.I. (MGM) UK LIMITEDActive - Proposal to Strike off- 08514980 - Incorporated on 2 May 2013 
- BRIAN JOHNSON (BUILDING CONTRACTORS) LIMITEDLiquidation- 02167933 - Incorporated on 22 September 1987