- L & R KNOWLES LIMITEDDissolved- 02667679 - Dissolved on 18 January 2011 
- S W KNOWLES LIMITEDDisolved- 05737191 - Dissolved on 14 March 2023 
- F.P. KNOWLES LIMITED- 06211014 - Incorporated on 12 April 2007 
- 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 
- JACK & JACKY LTDDisolved- 13975043 - Dissolved on 22 August 2023 
- 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 
- CARVER KNOWLES LLPDissolved- OC315145 - Dissolved on 16 July 2013 
- DA KNOWLES LIMITED- 16515570 - Incorporated on 13 June 2025 
- MR RICHARD DAVID TONY JACKSON LIMITEDDisolved- 14605452 - Dissolved on 25 June 2024 
- THE MR AND MRS EMPIRE LTD- 15603811 - Incorporated on 29 March 2024