- S. KNOWLES LIMITEDActive - Proposal to Strike off- 04755937 - Incorporated on 7 May 2003 
- M KNOWLES LIMITEDActive - Proposal to Strike off- 05663212 - Incorporated on 28 December 2005 
- ARDEN KNOWLES LTDActive - Proposal to Strike off- 11336499 - Incorporated on 30 April 2018 
- M&M KNOWLES LIMITED- 12865832 - Incorporated on 8 September 2020 
- KNOWLES GREEN LTD- 14103333 - Incorporated on 12 May 2022 
- C.A.LEWIS- 00588700 - Incorporated on 12 August 1957 
- LEWIS LEWIS LIMITEDActive - Proposal to Strike off- 09008898 - Incorporated on 24 April 2014 
- ALBION SURVEYORS LIMITEDDisolved- 06450034 - Dissolved on 18 June 2024 
- KNOWLES GRESLE LTDDissolved- 06936672 - Dissolved on 25 January 2011 
- KNOWLES & GASTON LTDDissolved- NI047043 - Dissolved on 22 November 2013 
- KNOWLES IP LIMITEDActive - Proposal to Strike off- 08573087 - Incorporated on 17 June 2013 
- SJ KNOWLES LIMITED- 11586302 - Incorporated on 24 September 2018 
- CLAIRE KNOWLES LTD- 15852567 - Incorporated on 22 July 2024 
- UNIQUE REBELS UNION LTD- 07799711 - Incorporated on 6 October 2011 
- LEWIS 2 LEWIS LIMITEDDissolved- 06546546 - Dissolved on 30 October 2012 
- CARVER KNOWLES LLPDissolved- OC315145 - Dissolved on 16 July 2013 
- DA KNOWLES LIMITED- 16515570 - Incorporated on 13 June 2025 
- THE MR AND MRS EMPIRE LTD- 15603811 - Incorporated on 29 March 2024 
- MR & MRS NIK LTD- 09626652 - Incorporated on 6 June 2015 
- MR AND MRS A LTDActive - Proposal to Strike off- 11538245 - Incorporated on 28 August 2018