- WILLIAMSON MR PETER DEAN LTDDisolved- 15374656 - Dissolved on 3 June 2025 
- MUMBY MACHINERY LIMITED- 08151984 - Incorporated on 20 July 2012 
- MUMBY MOTORS LIMITED- 15158019 - Incorporated on 23 September 2023 
- MUMBY CONSTRUCTION LIMITEDDisolved- 13265782 - Dissolved on 19 October 2021 
- MUMBY LANDSCAPES LIMITED- 05289870 - Incorporated on 17 November 2004 
- MUMBY HAULAGE LIMITED- 08414835 - Incorporated on 22 February 2013 
- PETER MUMBY LIMITED- 08752699 - Incorporated on 29 October 2013 
- MUMBY CONSULTING LTD- 09266490 - Incorporated on 16 October 2014 
- OLIVER MUMBY DESIGN LTDDisolved- 11215702 - Dissolved on 20 July 2021 
- MR STEPHEN MICHAEL MCCORMACK LIMITEDDisolved- 13809026 - Dissolved on 25 February 2025 
- ALLAN MUMBY (BUILDERS) LTD- 04575975 - Incorporated on 29 October 2002 
- THE NURSERIES (MUMBY) LTDDisolved- 09336503 - Dissolved on 26 September 2023 
- DEAN & DEAN LTDDisolved- 09811327 - Dissolved on 22 February 2022 
- DEAN & DEAN LTD- 16057558 - Incorporated on 4 November 2024 
- MARK MUMBY BUILDING SERVICES LTD- 08234394 - Incorporated on 1 October 2012 
- SIMON MUMBY BUILDING LIMITED- 11813062 - Incorporated on 7 February 2019 
- MUMBY'S LIVE-IN CARE LIMITED- 04542260 - Incorporated on 23 September 2002 
- MUMBY AND ORBY PUBS LIMITEDDisolved- 10235709 - Dissolved on 12 December 2023 
- STEPHENSON DEANE ASSOCIATES LIMITEDDissolved- 06610719 - Dissolved on 26 January 2010 
- OLI MUMBY CREATIVE LIMITED- 10213990 - Incorporated on 3 June 2016