- MR WELSHLEC LTDDisolved- 13914989 - Dissolved on 23 January 2024 
- MR. MICHAEL ARTHUR MURPHY- NI613826 - Incorporated on 1 August 2012 
- S & K WELSH LTDDisolved- SC702670 - Dissolved on 28 February 2023 
- A WELSH LTD- NI679275 - Incorporated on 14 May 2021 
- ARTHUR & ARTHUR LTD- 08820468 - Incorporated on 19 December 2013 
- C WELSH LTDDissolved- 06035933 - Dissolved on 5 April 2011 
- C.H. WELSH LTD- 07753305 - Incorporated on 25 August 2011 
- I WELSH LTD.- SC309393 - Incorporated on 28 September 2006 
- G&M WELSH LTDDisolved- 12988373 - Dissolved on 5 April 2022 
- J T WELSH LTD- 15434916 - Incorporated on 23 January 2024 
- R.J WELSH LTD- SC854201 - Incorporated on 1 July 2025 
- ARTHUR ET ARTHUR LTD.Active - Proposal to Strike off- 09036256 - Incorporated on 13 May 2014 
- ARTHUR ARTHUR LIMITEDActive - Proposal to Strike off- 07578468 - Incorporated on 25 March 2011 
- AMAC 8Dissolved- 03146629 - Dissolved on 18 May 2010 
- ARTHURS BY ARTHUR LTD- 15762821 - Incorporated on 5 June 2024 
- C.ARTHURDissolved- 05669201 - Dissolved on 23 August 2011 
- C. ARTHURDisolved- 09322062 - Dissolved on 26 April 2022 
- MJ WELSH LTD- 11274740 - Incorporated on 26 March 2018 
- C. ARTHUR- 14094824 - Incorporated on 9 May 2022 
- EUROPEAN IMMOBILIER LTD.Active - Proposal to Strike off- 09934904 - Incorporated on 4 January 2016