- ALLAN INC LTDDisolved- 14153298 - Dissolved on 18 June 2024 
- FA ALLAN & CO LTD- 16532955 - Incorporated on 20 June 2025 
- MR MRG LTDDisolved- 14226733 - Dissolved on 19 December 2023 
- MR&MRS B.A.D LTDDisolved- 15544690 - Dissolved on 4 February 2025 
- OLIVER 2011 LIMITEDDisolved- 07810096 - Dissolved on 26 September 2023 
- SWALLOWFIELDS SELF STORAGE LTD- 09195193 - Incorporated on 29 August 2014 
- DOIG PROJECT MANAGEMENT LIMITED- 10688761 - Incorporated on 24 March 2017 
- CHARLIE DOIG MAINTENANCE LTD- SC756041 - Incorporated on 20 January 2023 
- MICHAEL DOIG SOLUTIONS LTDDissolved- SC363548 - Dissolved on 7 December 2012 
- IAN DOIG PROPERTY LIMITED- 12421484 - Incorporated on 23 January 2020 
- MR & MRS S LTDActive - Proposal to Strike off- 12290244 - Incorporated on 30 October 2019 
- DAVID H ALLAN (JOINERS & BUILDING CONTRACTORS) LIMITEDActive - Proposal to Strike off- SC151917 - Incorporated on 12 July 1994 
- ALLANTE LTDActive - Proposal to Strike off- NI610874 
- ALLANAH LTDActive - Proposal to Strike off- 11133736 - Incorporated on 4 January 2018 
- W3 ALLAN WAY LTDDisolved- 14167367 - Dissolved on 12 September 2023 
- DOIG SPEECH THERAPY LIMITEDActive - Proposal to Strike off- 08178996 - Incorporated on 14 August 2012 
- PHILIP DOIG SERVICES LIMITEDDissolved- 07880125 - Dissolved on 29 July 2014 
- ALISTAIR DOIG TRANSPORT LTDDissolved- SC649699 - Dissolved on 22 June 2021 
- DOIGUM ENTERPRISES LIMITEDActive - Proposal to Strike off- 12074263 - Incorporated on 28 June 2019 
- STU ALLAN LTD- 14514040 - Incorporated on 29 November 2022