- ROBERT WILLIAM RIDDELL- Born April 1957 - 270 CAE DU ESTATE, ABERSOCH, PWLLHELI, GWYNEDD, WALES, LL53 7DE 
- WILLIAM AITKEN RIDDELL- Born February 1957 - 12 BEAUFORT CLOSE, DOVEHOUSE, WELLESBOURNE, WARWICKSHIRE, CV35 9NU 
- ROBERT WILLIAM RIDDELL- Born May 1948 - C/O CRAWFORD ROBERTSON ACCOUNTANTS 3 ELBOROW WAY, CAWSTON, RUGBY, WARWICKSHIRE, UNITED KINGDOM, CV22 7YQ 
- WILLIAM RIDDELL HUNTER- FAIL MILL TARBOLTON, MAUCHLINE, SOUTH AYRSHIRE, UNITED KINGDOM, KA55LZ 
- JAMES STUART MARTIN RIDDELL- Born February 1967 - QUAKER BUILDINGS HIGH STREET, LURGAN, CRAIGAVON, CO. ARMAGH, UNITED KINGDOM, BT66 8BB 
- WILLIAM MARTIN DECORATORS LTD- SC469616 - Incorporated on 11 February 2014 
- JAMES STUART MARTIN RIDDELL- QUAKER BUILDINGS HIGH STREET, LURGAN, CRAIGAVON, CO. ARMAGH, UNITED KINGDOM, BT66 8BB 
- MR LAWRENCE WILLIAM LIMITEDActive - Proposal to Strike off- 07228639 - Incorporated on 20 April 2010 
- WILLOW MRI LOCUM SERVICES LTDActive - Proposal to Strike off- 13254367 - Incorporated on 9 March 2021 
- DR MATTHEW WILLIAMS MRCVS LTD- 11706517 - Incorporated on 30 November 2018 
- MARTIN WILLIAMS DOORS LIMITEDDissolved- 05064659 - Dissolved on 5 March 2013 
- WILLIAM MARTIN DEVELOPMENTS LTD- 05033705 - Incorporated on 4 February 2004 
- G J RIDDELL PROPERTY LTD- 15818943 - Incorporated on 4 July 2024 
- A M RIDDELL UK UNLIMITEDActive - Proposal to Strike off- 07303965 - Incorporated on 5 July 2010 
- MARTIN WILLIAMS MUSIC LIMITED- 05923957 - Incorporated on 4 September 2006 
- CALLANISH LAND LIMITED- SC166498 - Incorporated on 24 June 1996 
- MR.MR. LTDDisolved- 14252327 - Dissolved on 5 December 2023 
- MARTIN & MARTINActive - Proposal to Strike off- 00366239 - Incorporated on 1 April 1941 
- NOVITAS PARTNERS LIMITEDActive - Proposal to Strike off- 03373167 - Incorporated on 19 May 1997 
- K & R GROUP LTD- 09892331 - Incorporated on 27 November 2015