- ITDAAS LTD- 12931534 - Incorporated on 6 October 2020 
- MR.MR. LTDDisolved- 14252327 - Dissolved on 5 December 2023 
- MR MR2 LTD- 11218539 - Incorporated on 21 February 2018 
- MR & MR LTD- 16489396 - Incorporated on 2 June 2025 
- MR NEVILLE JOHNSON QA (UK) LIMITEDActive - Proposal to Strike off- 10217322 - Incorporated on 6 June 2016 
- SS DUNCAN LTD- SC398701 - Incorporated on 3 May 2011 
- MP DUNCAN LTDActive - Proposal to Strike off- 11438154 - Incorporated on 28 June 2018 
- MR LEE EDWARD JOHN THOROGOOD LTDDisolved- 13668143 - Dissolved on 4 April 2023 
- MR MR LTDActive - Proposal to Strike off- 15533685 - Incorporated on 1 March 2024 
- MR NEVILLE A JOHNSON QA AND MRS LUCRETIA M JOHNSON QA (MERCEDES BENZ) UK LIMITED- 13163318 - Incorporated on 27 January 2021 
- 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