- BARTLETT HOWELL LTDDisolved- 12028346 - Dissolved on 5 October 2021 
- ALLY HOWELL LIMITEDDisolved- 12297671 - Dissolved on 10 May 2022 
- ROBERT HOWELL LIMITED- 03471470 - Incorporated on 26 November 1997 
- HOWELL CROFT LIMITEDActive - Proposal to Strike off- 07159854 - Incorporated on 17 February 2010 
- JANET HOWELL LIMITEDDissolved- 07202249 - Dissolved on 15 November 2011 
- AREE HOWELL LIMITEDDissolved- 05450747 - Dissolved on 2 November 2010 
- BUCKLEY HOWELL LTDDisolved- 06082068 - Dissolved on 21 January 2025 
- RYAN HOWELL LIMITEDDissolved- 06206747 - Dissolved on 22 November 2011 
- SIMON HOWELL LIMITEDActive - Proposal to Strike off- 06747503 - Incorporated on 12 November 2008 
- HOWELL PROPERTIES LTD- 07365443 - Incorporated on 3 September 2010 
- CAULFIELD HOWELL LTDDisolved- 07634663 - Dissolved on 11 June 2024 
- DAVID HOWELL LIMITEDDissolved- 04624535 - Dissolved on 19 July 2011 
- ELLIOTT HOWELL LIMITED- 04305336 - Incorporated on 16 October 2001 
- GRANWELL HOWELL LIMITED- 04017109 - Incorporated on 19 June 2000 
- HOWELL CONSULTING LIMITEDActive - Proposal to Strike off- 05492082 - Incorporated on 27 June 2005 
- HOWELL DAVIES LIMITED- 05102929 - Incorporated on 15 April 2004 
- PICTON HOWELL LIMITEDActive - Proposal to Strike off- 05224726 - Incorporated on 7 September 2004 
- MAUREEN HOWELL LIMITEDActive - Proposal to Strike off- 09651675 - Incorporated on 23 June 2015 
- HOWELL CONSULTANTS LTDActive - Proposal to Strike off- 09026947 - Incorporated on 7 May 2014 
- HOWELL CONSTRUCTION LIMITED- 10698213 - Incorporated on 30 March 2017