- W.D. NAISMITH LIMITEDIn Administration/Administrative Receiver- SC086693 - Incorporated on 14 February 1984 
- DAVID PAUL TRADING LTDLiquidation- 05219786 - Incorporated on 2 September 2004 
- DAVID PAUL WITCHER LTD- 13830684 - Incorporated on 5 January 2022 
- PAUL DAVID PROCESS LTD- 08154617 - Incorporated on 24 July 2012 
- DAVID PAUL SAILING LTD- 14005445 - Incorporated on 28 March 2022 
- PAUL DAVID CHARLES LTDActive - Proposal to Strike off- 11770415 - Incorporated on 16 January 2019 
- ASTIN & NAISMITH LTD- 10537841 - Incorporated on 22 December 2016 
- MR PAUL PORTER LIMITED- 06550597 - Incorporated on 1 April 2008 
- MR PAUL BRIAN WATSON LTD- 13063879 - Incorporated on 6 December 2020 
- MR PAUL M HUGHES LIMITED- 11041478 - Incorporated on 1 November 2017 
- PAUL WINSLET MRICS LTD- 16522921 - Incorporated on 17 June 2025 
- DAVID @ TEES MRI LIMITEDActive - Proposal to Strike off- 09392679 - Incorporated on 16 January 2015 
- MNS REALISATIONSActive - Proposal to Strike off- SC144478 - Incorporated on 13 May 1993 
- ROSS NAISMITH LTD- SC632052 - Incorporated on 30 May 2019 
- DR DAVID M JONES MRCVS LTD- 15107831 - Incorporated on 31 August 2023 
- NAISMITH INTERNATIONAL LIMITED- SC496931 - Incorporated on 5 February 2015 
- MR DAVID MOORE LIMITEDDissolved- 07205744 - Dissolved on 4 December 2012 
- PAUL DAVIDSON LIMITEDDissolved- 12336302 - Dissolved on 22 June 2021 
- PAUL DAVID WILLIAMS LTD- 15656359 - Incorporated on 17 April 2024 
- MR PAUL GARWOOD LIMITED- 13796044 - Incorporated on 13 December 2021