- KRJ CONSULTING LTD- 01925570 - Incorporated on 24 June 1985 
- 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 
- BRYN KNOWLES LTDDisolved- 12052350 - Dissolved on 12 October 2021 
- EDNA KNOWLES LTDDisolved- 12459096 - Dissolved on 19 September 2023 
- KNOWLESBOUTIQUE LTDDisolved- 13603817 - Dissolved on 28 February 2023 
- KNOWLES HILL LTDDisolved- 15098666 - Dissolved on 28 January 2025 
- MR.MR. LTDDisolved- 14252327 - Dissolved on 5 December 2023 
- JACK & JACK LTDDisolved- 07281206 - Dissolved on 30 December 2023 
- WMK LTD- 05236389 - Incorporated on 20 September 2004 
- RILEY JAMES SURVEYORS LTD- 09365798 - Incorporated on 23 December 2014 
- MR MR2 LTD- 11218539 - Incorporated on 21 February 2018 
- MR & MR LTD- 16489396 - Incorporated on 2 June 2025 
- MR MR LTDActive - Proposal to Strike off- 15533685 - Incorporated on 1 March 2024 
- KNOWLESBUILDINGSERVICES LTDActive - Proposal to Strike off- 11409167 - Incorporated on 11 June 2018 
- LUCY KNOWLES LTDActive - Proposal to Strike off- 08359696 - Incorporated on 14 January 2013 
- KNOWLES FARM LTD- 15179349 - Incorporated on 2 October 2023 
- BRUTON KNOWLES (1862) LLP- OC418768 - Incorporated on 29 August 2017 
- SUNSHINE & BEAR LIMITED- 11146036 - Incorporated on 11 January 2018