- RICHARD O'DWYER LTDDisolved- 12101416 - Dissolved on 17 January 2023 
- FM DWYER & ASSOCIATES LTD- 13688527 - Incorporated on 19 October 2021 
- O DWYER LTDDissolved- 08031052 - Dissolved on 26 November 2013 
- M M DWYER LTDDisolved- 12155093 - Dissolved on 12 April 2022 
- DWYER IT LTDDissolved- 08002083 - Dissolved on 18 March 2014 
- A DWYER LTD- 09110453 - Incorporated on 1 July 2014 
- N. DWYER LTDDisolved- 11099256 - Dissolved on 1 August 2023 
- C DWYER LTDActive - Proposal to Strike off- 10080590 - Incorporated on 23 March 2016 
- DWYER INSTRUMENTS UK, LLC- FC015527 - Incorporated on 23 April 1990 
- DWYER TSM LTDActive - Proposal to Strike off- 11474496 - Incorporated on 20 July 2018 
- CMO'DWYER LTD- 15811014 - Incorporated on 1 July 2024 
- DWYER LIMITED- 03744913 - Incorporated on 31 March 1999 
- DA DWYER 7545 LTDActive - Proposal to Strike off- 10526522 - Incorporated on 15 December 2016 
- DWYER PR LTDDisolved- 14920644 - Dissolved on 23 July 2024 
- JOAN O'DWYER LTD- 09378905 - Incorporated on 8 January 2015 
- DWYERCM LTD- 15022069 - Incorporated on 24 July 2023 
- D.J. DWYER LIMITED- 04240291 - Incorporated on 25 June 2001 
- CHRIS DWYER LTDActive - Proposal to Strike off- 08151117 - Incorporated on 20 July 2012 
- K J DWYER LIMITEDDisolved- 06076230 - Dissolved on 23 April 2024 
- AIDAN DWYER LTD- 09202626 - Incorporated on 3 September 2014