- KNOWLES 66 LTDDisolved- SC787144 - Dissolved on 1 April 2025 
- PAUL LEWIS BUILDING SERVICES LTDActive - Proposal to Strike off- 09863191 - Incorporated on 9 November 2015 
- NR KNOWLES LTDDisolved- 13644398 - Dissolved on 4 March 2025 
- PAULA LEWIS CONSULTANCY LIMITED- 09006016 - Incorporated on 22 April 2014 
- PEAK OUTDOOR PAUL KNOWLES AND ASSOCIATES LTDActive - Proposal to Strike off- 07366657 - Incorporated on 6 September 2010 
- KNOWLES EUROPE- 00703640 - Incorporated on 19 September 1961 
- MR PAUL ANDREW CONSULTING LTDDisolved- 13600076 - Dissolved on 1 October 2024 
- KNOWLESY LTDDisolved- 14916423 - Dissolved on 8 July 2025 
- KNOWLES&CO LTDActive - Proposal to Strike off- 08688416 - Incorporated on 12 September 2013 
- AC KNOWLES LTD- 11899276 - Incorporated on 22 March 2019 
- NZ KNOWLES LTDDisolved- 13760092 - Dissolved on 4 June 2024 
- MR. PAUL MICHAEL ROBERTSON LTD- 15986119 - Incorporated on 30 September 2024 
- DR KNOWLES LTD.Liquidation- 05606642 - Incorporated on 28 October 2005 
- BS KNOWLES LTDDissolved- 04926572 - Dissolved on 18 February 2014 
- MV KNOWLES LTDDisolved- 13873143 - Dissolved on 1 July 2025 
- EM KNOWLES LTDDisolved- 13623152 - Dissolved on 18 February 2025 
- 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