- RETRO RALPH LTD- 13362975 - Incorporated on 28 April 2021 
- RALPH KLAAR LTD- 15150786 - Incorporated on 20 September 2023 
- RALPH JAMES LTD- 15259376 - Incorporated on 3 November 2023 
- MDL GATESHEAD LTDDisolved- 14711197 - Dissolved on 22 July 2025 
- DUNCAN RUGS LIMITEDDisolved- NI036656 - Dissolved on 11 May 2025 
- EJ & DUNCAN LTDDisolved- 11474078 - Dissolved on 19 September 2023 
- DT DUNCAN LTDActive - Proposal to Strike off- 10291788 - Incorporated on 22 July 2016 
- JJ DUNCAN LTDDisolved- 11834394 - Dissolved on 15 October 2024 
- DR DUNCAN LTDActive - Proposal to Strike off- 11086211 - Incorporated on 28 November 2017 
- JR DUNCAN LTDActive - Proposal to Strike off- 11181374 - Incorporated on 1 February 2018 
- ZS DUNCAN LTDDisolved- 13622971 - Dissolved on 18 July 2023 
- DU DUNCAN LTDDisolved- 13745523 - Dissolved on 18 July 2023 
- EZ DUNCAN LTDDisolved- 13877673 - Dissolved on 16 January 2024 
- ON DUNCAN LTDDisolved- 13887270 - Dissolved on 1 July 2025 
- HOWELL TOMKINS LIMITEDLiquidation- 00517653 - Incorporated on 25 March 1953 
- WELCHS (CRANE HIRE) LIMITED- 00410346 - Incorporated on 11 May 1946 - Unit 11 Harding Way, St Ives, PE27 3WR 
- RALPH CONSULTING AND CREATIVE LIMITEDDisolved- 05484368 - Dissolved on 23 July 2024 
- PRICELESS LTD- 15022384 - Incorporated on 24 July 2023 
- TMA LOANS LIMITEDLiquidation- 06571587 - Incorporated on 21 April 2008 
- RALPH & DOHERTY BUILDING CONTRACTORS LIMITEDDissolved- 04579727 - Dissolved on 23 June 2015