- D.A. O'NEILL LTDDisolved- 10880329 - Dissolved on 28 May 2024 
- H, C & M O'NEILL LTD- NI729105 - Incorporated on 2 May 2025 
- DEXTERS IT LIMITEDDissolved- 07903701 - Dissolved on 12 November 2013 
- DEXTEROUS GOLF LTDDisolved- 13335352 - Dissolved on 26 July 2022 
- DEXTERS (SD) LIMITED- 14664962 - Incorporated on 15 February 2023 
- LONGMILL DEXTER LTD- 10567956 - Incorporated on 17 January 2017 
- DEXTER SINCLAIR LIMITEDDisolved- 14688721 - Dissolved on 15 April 2025 
- DEXTER CONSULTS LIMITEDDisolved- 14692623 - Dissolved on 7 November 2023 
- DEXTER CORBAIR LIMITEDDisolved- 14049365 - Dissolved on 21 November 2023 
- DEXTER ALGORITHMS LTD- 13387570 - Incorporated on 11 May 2021 
- DEXTER PAINTS LIMITEDDissolved- 00388737 - Dissolved on 16 July 2010 
- DEXTER HAVEN LIMITED- 04088331 - Incorporated on 11 October 2000 
- DEXTER HOUSE LIMITED- 01918181 - Incorporated on 31 May 1985 
- ELFORD DEXTER LIMITEDLiquidation- 04467373 - Incorporated on 21 June 2002 
- ADAM DEXTER LIMITED- 07402111 - Incorporated on 11 October 2010 
- DEXTER OUTDOOR LTDActive - Proposal to Strike off- 07872828 - Incorporated on 6 December 2011 
- DEXTER MOTION LIMITED- 07627942 - Incorporated on 10 May 2011 
- DEXTER FINANCE LIMITEDActive - Proposal to Strike off- 09472942 - Incorporated on 5 March 2015 
- DEXTER CONSULTANTS LTD- NF003629 - Incorporated on 10 October 2001 
- DEXTER CORPORATION LIMITED- 04736206 - Incorporated on 16 April 2003