- DUNCAN 444 LTDActive - Proposal to Strike off- 11698545 - Incorporated on 27 November 2018 
- DUNCAN 444 LTDActive - Proposal to Strike off- 09826488 - Incorporated on 15 October 2015 
- DUNCAN 524. LTDActive - Proposal to Strike off- 11060720 - Incorporated on 13 November 2017 
- Duncan Andrew, Mr. HARVEY- Born September 1980 - 9 Martindale, Sheen, London, England, SW14 7AL 
- Philip Duncan, Mr. WARDLE- Born August 1963 - One Curzon Street, London, W1J 5HD 
- Stuart Duncan, Mr. BALMER- Born October 1963 - Apartment B, 5 Castle Crescent, Reading, England, RG1 6AQ 
- Duncan George, Mr. BENBOW- Born May 1958 - Flat 1 49 Meads Road, Eastbourne, East Sussex, United Kingdom, BN20 7QA 
- Stephen Duncan, Mr. UPTON- Born May 1970 - 4 Gareloch Avenue, Airdrie, Scotland, ML6 6SH 
- A K DUNCAN LTDDissolved- 04439595 - Dissolved on 29 December 2009 
- E.J. DUNCAN LTD- 03221200 - Incorporated on 5 July 1996 
- A K DUNCAN (2008) LTD- 06659970 - Incorporated on 30 July 2008 
- DUNCAN 121 LTDDissolved- 06768273 - Dissolved on 20 July 2010 
- MR RICHARD DUNCAN FACER- Born April 1960 - 1 ELLESMERE ROAD, BERKHAMSTED, HERTFORDSHIRE, ENGLAND, HP4 2EX 
- Duncan Ian, Mr. DENHOLM-HAY- Born November 1954 - Tope Floor 15a King Street, Inverkeithing, Scotland, KY11 1NB 
- VELOCITY ELECTRICAL SURREY LTD- 13064923 - Incorporated on 6 December 2020 
- Nigel Duncan, Mr. JARRETT- Born December 1942 - C/O R J Surveyors Ethos, Kings Road, Sa1 Swansea Waterfront, Swansea, West Glamorgan, United Kingdom, SA1 8AS 
- Duncan Andrew, Mr. HARVEY- Born September 1980 - Sherwood House 41 Queens Road, Farnborough, England, GU14 6JP 
- Duncan Andrew, Mr. HARVEY- Born September 1980 - Kings Works Kings Road, Teddington, Middlesex, England, TW11 0QB 
- G S DUNCAN LTD.- SC253809 - Incorporated on 5 August 2003 
- P J DUNCAN LTDDissolved- 06332194 - Dissolved on 28 October 2014