- ERNEST COOPER LIMITED- 00839431 - Incorporated on 2 March 1965 
- ERNEST SERVICES LIMITED- 06699635 - Incorporated on 16 September 2008 
- ERNEST CONSULTING LIMITED- 07832231 - Incorporated on 2 November 2011 
- ERNEST GRIFFITHS LTDDissolved- 07372543 - Dissolved on 20 August 2013 
- ERNEST ADVICE LIMITEDLiquidation- 05199466 - Incorporated on 6 August 2004 
- ERNEST AXON LIMITED- 00249859 - Incorporated on 31 July 1930 
- ERNEST GORDON LIMITEDDisolved- 06682323 - Dissolved on 14 February 2023 
- JAMES ERNEST LIMITEDLiquidation- 09640971 - Incorporated on 16 June 2015 
- ERNEST HENRY LIMITEDActive - Proposal to Strike off- 09672810 - Incorporated on 6 July 2015 
- DEAD ERNEST LIMITED- 08330748 - Incorporated on 13 December 2012 
- ERNEST WARD LIMITEDActive - Proposal to Strike off- 09515482 - Incorporated on 28 March 2015 
- NICOLA ERNEST LIMITEDDisolved- 09535695 - Dissolved on 13 September 2022 
- ERNEST CLOTHING LIMITEDDissolved- 09589134 - Dissolved on 22 October 2019 
- ERNEST BROOKS LIMITEDIn Administration- 10344527 - Incorporated on 24 August 2016 
- ERNEST & DUNNINGTON LIMITED- 10669813 - Incorporated on 14 March 2017 
- ERNEST STANLEY LIMITED- 10978433 - Incorporated on 23 September 2017 
- ERNEST PROCTOR LIMITEDActive - Proposal to Strike off- 11071287 - Incorporated on 20 November 2017 
- ERNEST ALEXANDER LTD- NI650139 - Incorporated on 9 January 2018 
- ERNEST & CROWE LIMITEDDisolved- 13565185 - Dissolved on 23 January 2024 
- ERNEST RECRUITMENT LTDDisolved- 14366090 - Dissolved on 23 July 2024