- WILLIAMSON CARSON AND COMPANY LIMITED- 01282779 - Incorporated on 21 October 1976 
- JOHN WILLIAMS (BROKERS) LIMITEDActive - Proposal to Strike off- 04377860 - Incorporated on 20 February 2002 
- JOHN WILLIAMS ROOFING LIMITED- 08792994 - Incorporated on 27 November 2013 
- JOHN WILLIAMS DRIVING LIMITEDActive - Proposal to Strike off- 08499155 - Incorporated on 22 April 2013 
- MR NEVILLE A JOHNSON QA AND MRS LUCRETIA M JOHNSON QA (MERCEDES BENZ) UK LIMITED- 13163318 - Incorporated on 27 January 2021 
- JOHN WILLIAMS STUDIOS LIMITEDLiquidation- 01060811 - Incorporated on 7 July 1972 
- S&M ARTHUR LTDActive - Proposal to Strike off- 10033262 - Incorporated on 29 February 2016 
- ARTHUR 2025 LTD- 16181765 - Incorporated on 14 January 2025 
- COLWYN PROPCO LIMITEDLiquidation- 04433915 - Incorporated on 8 May 2002 
- FLEET SECURITY-AIB UK-RUC-CC LIMITEDDisolved- 10453184 - Dissolved on 22 April 2025 
- MR&MRS B'S LTDDissolved- 10677155 - Dissolved on 20 August 2019 
- MR&MRS LTDActive - Proposal to Strike off- 12389034 - Incorporated on 7 January 2020 
- DLP DERIVATIVES LLPActive - Proposal to Strike off- OC354152 - Incorporated on 15 April 2010 
- MR & MRS O LTD.Active - Proposal to Strike off- SC217464 - Incorporated on 29 March 2001 
- MR & MRS W LTD- 08480767 - Incorporated on 9 April 2013 
- MR&MRS LTDActive - Proposal to Strike off- 10922002 - Incorporated on 18 August 2017 
- MR. & MRS. P LTD- 14381139 - Incorporated on 27 September 2022 
- MR&MRS LTDDisolved- 14548151 - Dissolved on 21 May 2024 
- MR MRG LTDDisolved- 14226733 - Dissolved on 19 December 2023 
- MR&MRS B.A.D LTDDisolved- 15544690 - Dissolved on 4 February 2025