- DWYER DISTRIBUTION LIMITEDDisolved- 14482377 - Dissolved on 23 April 2024 
- JULIA O'DWYER LIMITED- 09582410 - Incorporated on 8 May 2015 
- DWYER TM SERVICES LTDDisolved- 12451987 - Dissolved on 3 August 2021 
- DWYER TM SERVICES LTDDisolved- 14760874 - Dissolved on 3 September 2024 
- O'DWYER BRYAN LIMITEDDissolved- 04700885 - Dissolved on 17 May 2011 
- DWYER'S DEALS LIMITEDActive - Proposal to Strike off- 09326825 - Incorporated on 25 November 2014 
- C & L DWYER-SMITH LIMITED- 08032632 - Incorporated on 17 April 2012 
- DWYER AND SHERMAN LTDDissolved- 07110901 - Dissolved on 2 August 2011 
- DWYERANDWILKINSON LIMITEDActive - Proposal to Strike off- 07750940 - Incorporated on 24 August 2011 
- O'DWYER CONSULTANCY LTDActive - Proposal to Strike off- 11439464 - Incorporated on 28 June 2018 
- O'DWYER PROPERTIES LTD- 15772813 - Incorporated on 11 June 2024 
- DWYER DESIGN & BUILD LTD- 08646133 - Incorporated on 12 August 2013 
- DWYER BMS SERVICES LTDDisolved- 11760302 - Dissolved on 18 October 2022 
- SINÉAD O'DWYER LIMITED- 13311485 - Incorporated on 3 April 2021 
- DWYER AND SONS LIMITED- 16152962 - Incorporated on 27 December 2024 
- C O'DWYER CONSULTANTS LTD- 08043413 - Incorporated on 24 April 2012 
- O'DWYER SEARCH LIMITEDActive - Proposal to Strike off- 09510481 - Incorporated on 26 March 2015 
- RAI-O'DWYER PROPERTIES LTD- 15187722 - Incorporated on 4 October 2023 
- DWYER AND SONS RAILWAY LTDActive - Proposal to Strike off- 15521587 - Incorporated on 26 February 2024 
- DWYER INSTRUMENTS UK, LLCopen- BR012375 - Incorporated on 1 October 2009