- WZ KNOWLES LTDDisolved- 13724618 - Dissolved on 15 April 2025 
- STEPNO LTD.Dissolved- 06190634 - Dissolved on 2 April 2013 
- MR PAUL DAVID CHISHOLM LIMITEDDisolved- 08471885 - Dissolved on 2 July 2024 
- 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 
- PRS KNOWLES LTDActive - Proposal to Strike off- 07711152 - Incorporated on 19 July 2011 
- MR NEVILLE ALPHONSO JOHNSON & MRS SARAH JANE JOHNSON (WYNOTT SERVICE STATION) (AIB) (UK) LIMITEDDissolved- 07385716 - Dissolved on 7 May 2013 
- MR PAUL CRONEY AND ASSOCIATES LLPDisolved- OC435304 - Dissolved on 28 March 2023 
- 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