- SECOND STOREY LLP- OC456351 - Incorporated on 11 April 2025 
- WD HARLEY LTD.- SC368432 - Incorporated on 12 November 2009 
- HARLEY JO LTD- SC594538 - Incorporated on 17 April 2018 
- OMSUK LTD- 03187204 - Incorporated on 17 April 1996 
- STUART MACLEOD PAINTER & DECORATOR LIMITED- SC250090 - Incorporated on 27 May 2003 
- GE DUNCAN LTD- SC510491 - Incorporated on 9 July 2015 
- KH DUNCAN LTDDisolved- 11481434 - Dissolved on 21 January 2025 
- DUNCAN NZ LTDActive - Proposal to Strike off- 10293552 - Incorporated on 25 July 2016 
- DUNCAN ST LTD- 13897714 - Incorporated on 7 February 2022 
- CK DUNCAN LTDDisolved- NI681472 - Dissolved on 21 March 2023 
- HARLEY PLUMBING LTDDisolved- 12958578 - Dissolved on 18 April 2023 
- FLEET SECURITY-AIB UK-RUC-CC LIMITEDDisolved- 10453184 - Dissolved on 22 April 2025 
- MR&MRS B'S LTDDissolved- 10677155 - Dissolved on 20 August 2019 
- MR&MRS LTDActive - Proposal to Strike off- 12389034 - Incorporated on 7 January 2020 
- WP DUNCAN LTDActive - Proposal to Strike off- 08106759 - Incorporated on 15 June 2012 
- JK DUNCAN LTDActive - Proposal to Strike off- SC390960 - Incorporated on 5 January 2011 
- SM DUNCAN LTDDisolved- 13899927 - Dissolved on 8 July 2025 
- YY DUNCAN LTDDisolved- 13709763 - Dissolved on 2 April 2024 
- ES DUNCAN LTDActive - Proposal to Strike off- 14058949 - Incorporated on 21 April 2022 
- PJ & DUNCAN LTD- 15799364 - Incorporated on 24 June 2024