- CLEGG FREEHOLD LIMITED- 10180948 - Incorporated on 16 May 2016 
- CLEGG & COMPANY LIMITED- 02887467 - Incorporated on 13 January 1994 
- CLEGG PROPERTIES LTD- 06421594 - Incorporated on 8 November 2007 
- CLEGG BUILDING LIMITEDLiquidation- 04446403 - Incorporated on 23 May 2002 
- BENSON & CLEGG LIMITEDLiquidation- 00333027 - Incorporated on 27 October 1937 
- CLEGG NORMAN LIMITED- 09620633 - Incorporated on 3 June 2015 
- NESBITT CLEGG LIMITED- 10777746 - Incorporated on 18 May 2017 
- CLEGG CONSULTING LTDDisolved- 10851164 - Dissolved on 30 January 2018 
- CLEGG CONSULTING LIMITED- 12086426 - Incorporated on 4 July 2019 
- MCMAHON RETAIL LLP- SO304381 - Incorporated on 11 April 2013 
- MCMAHON'S & IPLUMB LTD- 10122022 - Incorporated on 13 April 2016 
- MCMAHON IT LIMITEDActive - Proposal to Strike off- 10413796 - Incorporated on 6 October 2016 
- MCMAHON BUILDS LTDDisolved- 14167803 - Dissolved on 21 November 2023 
- DANIEL MCMAHON LTD- SC698927 - Incorporated on 17 May 2021 
- LEACH & CLEGG LIMITED- 04684673 - Incorporated on 3 March 2003 
- CLEGG DEVELOPMENTS LIMITED- 04927189 - Incorporated on 9 October 2003 
- CLEGG HOLDINGS LIMITED- 06299941 - Incorporated on 3 July 2007 
- CLEGG INDUSTRIES LIMITEDDisolved- 06769589 - Dissolved on 4 July 2023 
- GALLANT & CLEGG LIMITEDActive - Proposal to Strike off- 05278414 - Incorporated on 4 November 2004 
- LIBBY CLEGG LIMITED- 08824619 - Incorporated on 23 December 2013