- RF AUSTIN LTDDisolved- 15483051 - Dissolved on 21 May 2024 
- AUSTIN GROUPING LIMITEDDisolved- 04746529 - Dissolved on 15 October 2024 
- DELABIE UK LIMITED- 01764854 - Incorporated on 27 October 1983 
- P DOUGLAS LTDDisolved- 14502198 - Dissolved on 30 April 2024 
- P M DOUGLAS LTD- 14551847 - Incorporated on 20 December 2022 
- A&S DOUGLAS LTD- 15094390 - Incorporated on 24 August 2023 
- G G DOUGLAS & SON- SL000970 - Incorporated on 8 May 1987 
- DOUGLAS 2014 LTDActive - Proposal to Strike off- 09127099 - Incorporated on 11 July 2014 
- DOUGLAS94 LTDDisolved- SC637404 - Dissolved on 16 August 2022 
- C.S.DOUGLAS LTDDisolved- 13576841 - Dissolved on 21 February 2023 
- VICTOR PRODUCTS HOLDINGS LTD- 00241316 - Incorporated on 26 July 1929 - Unit 3A, Tyne Dock East Side, Port of Tyne, South Shields, Tyne & Wear, Head Office, NE33 5SQ 
- DOUGLAS & SON- SL000056 - Incorporated on 21 January 1926 
- S L DOUGLAS LTDActive - Proposal to Strike off- SC604318 - Incorporated on 3 August 2018 
- S.DOUGLAS LTDDisolved- 13807892 - Dissolved on 21 May 2024 
- DOUGLAS98 LTD- 14845110 - Incorporated on 3 May 2023 
- UNIQUE REBELS UNION LTD- 07799711 - Incorporated on 6 October 2011 
- M G DOUGLAS LTD- 11586409 - Incorporated on 25 September 2018 
- DOUGLAS 101 LTD- 07308790 - Incorporated on 8 July 2010 
- J B DOUGLAS LTD.Active - Proposal to Strike off- SC512116 - Incorporated on 3 August 2015 
- L & H DOUGLAS LTDDisolved- 14297614 - Dissolved on 21 November 2023