- N. KNOWLES & SON LIMITED- 01251184 - Incorporated on 25 March 1976 
- MR&MRS B'S LTDDissolved- 10677155 - Dissolved on 20 August 2019 
- MR&MRS LTDActive - Proposal to Strike off- 12389034 - Incorporated on 7 January 2020 
- R.E. KNOWLES LIMITED- 00386921 - Incorporated on 14 April 1944 
- K G KNOWLES LIMITEDDisolved- 05399286 - Dissolved on 22 March 2022 
- KNOWLES TAXIS LTD.- SC267089 - Incorporated on 27 April 2004 
- A S KNOWLES LIMITEDDissolved- 09118453 - Dissolved on 25 September 2018 
- E M KNOWLES LIMITEDActive - Proposal to Strike off- 08767787 - Incorporated on 8 November 2013 
- CHRIS KNOWLES LTDActive - Proposal to Strike off- 11729887 - Incorporated on 17 December 2018 
- C K KNOWLES LIMITEDDisolved- 09942731 - Dissolved on 30 November 2021 
- CHRIS KNOWLES LTD- 13157020 - Incorporated on 25 January 2021 
- 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 
- KIRWIN & SIMPSON (PROPERTIES) LIMITED- 00522657 - Incorporated on 13 August 1953