- RICHARD WILLIAM HOWELLS- Born May 1978 - DUMFRIES HOUSE DUMFRIES PLACE, CARDIFF, CF10 3ZF 
- RICHARD LYNDON HOWELLS- Born December 1960 - 14 HORTON CLOSE, RODLEY, LEEDS, WEST YORKSHIRE, LS13 1PJ 
- RICHARD LYNDON HOWELLS- Born December 1960 - UNIT 5 HAWTHORNE COURT HOWLEY PARK ROAD, MORLEY, LEEDS, UNITED KINGDOM, LS27 0BN 
- DAVID RICHARD HOWELLS- CENTRAL BUSINESS PARK, SWANSEA VALE, SWANSEA, SA7 0AB 
- DAVID RICHARD HOWELLS- 3 WATERTON PARK WATERTON, BRIDGEND, MID GLAMORGAN, WALES, CF31 3PH 
- SUE HOWELLS ART LTDDissolved- 05902326 - Dissolved on 4 December 2018 
- D & D HOWELLS LIMITEDDisolved- 07347623 - Dissolved on 12 April 2022 
- M & I HOWELLS LIMITED- 10485047 - Incorporated on 17 November 2016 
- M. B. R. HOWELLS LIMITED- 00701904 - Incorporated on 29 August 1961 
- P J HOWELLS LIMITEDActive - Proposal to Strike off- 10220385 - Incorporated on 8 June 2016 
- CHRIS HOWELLS LTDActive - Proposal to Strike off- 10841384 - Incorporated on 29 June 2017 
- C HOWELLS LIMITEDDisolved- 14256459 - Dissolved on 26 December 2023 
- G M HOWELLS LIMITEDActive - Proposal to Strike off- 04487766 - Incorporated on 17 July 2002 
- G J HOWELLS LIMITEDActive - Proposal to Strike off- 08873755 - Incorporated on 3 February 2014 
- LIVEWIRE LONDON LIMITED- 07000357 - Incorporated on 25 August 2009 
- HOWELLS PLANT HIRE & BUILDING SERVICES LIMITED- 09975567 - Incorporated on 28 January 2016 
- HOWELLS GLASS LTD- 06763344 - Incorporated on 2 December 2008 
- A. B HOWELLS LIMITED- 08930448 - Incorporated on 10 March 2014 
- HOWELLS 2020 LIMITED- 11479170 - Incorporated on 23 July 2018 
- GEMMA HOWELLS 427 LTDActive - Proposal to Strike off- 10020729 - Incorporated on 23 February 2016