- MULLEN SUPPLIES LTDDisolved- 14023666 - Dissolved on 12 September 2023 
- MULLEN SERVICES LTD- 15634778 - Incorporated on 10 April 2024 
- MULLEN CONSULTING LTDActive - Proposal to Strike off- SC382851 - Incorporated on 30 July 2010 
- MCLINTOCK MULLEN LIMITEDDissolved- SC258052 - Dissolved on 21 August 2009 
- MARIA MULLEN LIMITEDActive - Proposal to Strike off- 08106873 - Incorporated on 15 June 2012 
- MULLEN ENGINEERING LIMITEDDissolved- 04373064 - Dissolved on 16 June 2015 
- MULLEN CONSTRUCTION LTD- 07548406 - Incorporated on 2 March 2011 
- MULLEN DEVELOPMENTS LTDLiquidation- NI036533 - Incorporated on 3 July 1999 
- MULLEN ALLAN LIMITED- SC445841 - Incorporated on 22 March 2013 
- KEVIN MULLEN LIMITEDActive - Proposal to Strike off- 07820704 - Incorporated on 24 October 2011 
- MULLEN BROTHERS LTD- 07821494 - Incorporated on 25 October 2011 
- HEMSLEY MULLEN LIMITED- 08256532 - Incorporated on 17 October 2012 
- MULLEN INVESTMENTS LIMITEDDisolved- SC670967 - Dissolved on 27 September 2022 
- MULLEN LOGISTICS LTDActive - Proposal to Strike off- SC533261 - Incorporated on 21 April 2016 
- MULLEN PROPCO LIMITEDActive - Proposal to Strike off- 12451254 - Incorporated on 10 February 2020 
- MULLEN LOGISTICS LIMITEDActive - Proposal to Strike off- SC579404 - Incorporated on 19 October 2017 
- CIARA MULLEN LIMITEDDisolved- 12004541 - Dissolved on 30 August 2022 
- MULLEN CONTRACTORS LIMITEDDisolved- 13235695 - Dissolved on 9 August 2022 
- MULLEN PROPERTY LTD- 12975106 - Incorporated on 26 October 2020 
- MULLEN SCAFFOLDING LTD- 16375526 - Incorporated on 9 April 2025