- DR KNOWLES LTD- 15269998 - Incorporated on 8 November 2023 
- VA KNOWLES LTDDisolved- 13795841 - Dissolved on 6 May 2025 
- XT KNOWLES LTDDisolved- 14069930 - Dissolved on 18 February 2025 
- OB KNOWLES LTDDisolved- 13951177 - Dissolved on 13 August 2024 
- WZ KNOWLES LTDDisolved- 13724618 - Dissolved on 15 April 2025 
- STEPNO LTD.Dissolved- 06190634 - Dissolved on 2 April 2013 
- KNOWLES PRIVETTActive - Proposal to Strike off- 07573788 - Incorporated on 22 March 2011 
- WILLIAMS KNOWLESActive - Proposal to Strike off- 07777049 - Incorporated on 16 September 2011 
- BOOM BOOM GO LTDActive - Proposal to Strike off- 08227554 - Incorporated on 25 September 2012 
- M&M KNOWLES (2021) LIMITED- 13361777 - Incorporated on 27 April 2021 
- KNOWLES LIMITED- 04121852 - Incorporated on 8 December 2000 
- GREEN KNOWLESActive - Proposal to Strike off- 07734283 - Incorporated on 9 August 2011 
- MEPHAM KNOWLES- 07739258 - Incorporated on 12 August 2011 
- GRACIOUS LIMITEDDissolved- 07722771 - Dissolved on 12 March 2013 
- KRJ CONSULTING LTD- 01925570 - Incorporated on 24 June 1985 
- LOUIS 2014Disolved- 13045709 - Dissolved on 3 May 2022 
- 4LOUIS- CE009709 - Incorporated on 22 March 2017 
- PRS KNOWLES LTDActive - Proposal to Strike off- 07711152 - Incorporated on 19 July 2011 
- WILSON KNOWLES LIMITED- 04079984 - Incorporated on 28 September 2000 
- INK EXCHANGE LTD- 04540363 - Incorporated on 19 September 2002