- 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 
- THE SA'REAL UNWIND LIMITEDDisolved- 13915183 - Dissolved on 18 March 2025 
- URBAN UNWIND BEAUTY LTDDisolved- 14046389 - Dissolved on 18 July 2023 
- B J UNWIN ROOFING LIMITED- 09029817 - Incorporated on 8 May 2014 
- PARKER-UNWIN CONSULTING LTDActive - Proposal to Strike off- 07956578 - Incorporated on 20 February 2012 
- MARK UNWIN CARPENTER LIMITEDActive - Proposal to Strike off- 12506592 - Incorporated on 9 March 2020 
- UNWIN AVIATION SERVICES LTDActive - Proposal to Strike off- 12253107 - Incorporated on 9 October 2019 
- DOUGLAS AGRI LTD- 11207936 - Incorporated on 15 February 2018 
- THE MR AND MRS EMPIRE LTD- 15603811 - Incorporated on 29 March 2024 
- P R DOUGLAS LTDDisolved- 08986078 - Dissolved on 9 May 2023 
- C.S.DOUGLAS LTDDisolved- 12384614 - Dissolved on 13 July 2021 
- CLAIRE UNWIN LOCUM RVN LTDDisolved- 11718922 - Dissolved on 18 January 2022