- BEN BRIAN LTDDisolved- 13293273 - Dissolved on 30 August 2022 
- BRIANNA LTDDisolved- 13960561 - Dissolved on 8 August 2023 
- BEN HOWARTH LIMITED- 08132062 - Incorporated on 5 July 2012 
- GLEN HOWARTH AND CO LTD.Dissolved- 03048763 - Dissolved on 16 February 2010 
- MELISSA HOWARTH LLPDisolved- OC340689 - Dissolved on 21 January 2025 
- HOWARTH HAULAGE LTD- 08950279 - Incorporated on 20 March 2014 
- MR & MRS TANG LTD- 15171097 - Incorporated on 28 September 2023 
- M BRIANA UK LTDActive - Proposal to Strike off- 11598317 - Incorporated on 1 October 2018 
- AC BRIANT LTDDisolved- 13720841 - Dissolved on 10 October 2023 
- DEREK JOHN HOWARTH LTD- 15685793 - Incorporated on 27 April 2024 
- RICHARD HOWARTH LIMITEDDissolved- 06595911 - Dissolved on 16 October 2012 
- HOWARTH CONTRACTORS LIMITED- 03028746 - Incorporated on 3 March 1995 
- BOOTH & HOWARTH LIMITED- 04273576 - Incorporated on 20 August 2001 
- HOWARTH HILL LIMITED- 07821586 - Incorporated on 25 October 2011 
- BROUGH&HOWARTH LIMITEDDissolved- 07203438 - Dissolved on 14 March 2017 
- STEVE HOWARTH LIMITEDActive - Proposal to Strike off- 09599509 - Incorporated on 19 May 2015 
- HOWARTH MILLER LIMITEDDissolved- 09697919 - Dissolved on 25 June 2019 
- HOWARTH CONSULTANCY LIMITEDActive - Proposal to Strike off- 03375032 - Incorporated on 22 May 1997 
- HOWARTH DEVELOPMENTS LIMITEDActive - Proposal to Strike off- 03592490 - Incorporated on 3 July 1998 
- HOWARTH MORRIS LIMITEDLiquidation- 05979912 - Incorporated on 26 October 2006