- AMEC (BCS) LIMITED- 00875729 - Incorporated on 31 March 1966 
- ELIZABETH BUCHANAN- Born July 1923 - BLACK VEN FARM, NUTLEY, EAST SUSSEX, TN22 
- ELIZABETH BUCHANAN- Born February 1973 - 74 HAVANT ROAD COSHAM, PORTSMOUTH, HAMPSHIRE, ENGLAND, PO6 2RA 
- Elizabeth BUCHANAN- Born April 1961 - 203 Scrabo Road, Newtownards, Northern Ireland, BT23 4SJ 
- JASON & COLLETTE DEXTER LIMITEDActive - Proposal to Strike off- 08711549 - Incorporated on 30 September 2013 
- ALEXANDER BUCHAN LIMITEDDissolved- SC117166 - Dissolved on 3 September 2013 
- BUCHAN CONSULTING LIMITEDActive - Proposal to Strike off- SC311551 - Incorporated on 7 November 2006 
- ALLY BUCHAN LIMITEDDissolved- SC314963 - Dissolved on 19 September 2014 
- BUCHAN & HEPWORTH LIMITEDDissolved- 01191104 - Dissolved on 19 March 2013 
- BUCHAN (PD657) LIMITED- SC279916 - Incorporated on 14 February 2005 
- BUCHAN DRAFTING LTDDissolved- SC350187 - Dissolved on 23 October 2018 
- BUCHAN HEALTHCARE LIMITED- 04159717 - Incorporated on 14 February 2001 
- BUCHAN BIOGAS LTD- SC472670 - Incorporated on 17 March 2014 
- BUCHAN SERVICES LTD.Disolved- SC502504 - Dissolved on 16 May 2023 
- BUCHAN CONSTRUCTION LIMITED- 09478175 - Incorporated on 9 March 2015 
- GEORGE BUCHAN LTD- SC582148 - Incorporated on 21 November 2017 
- ALEXANDER BUCHAN LTDDisolved- 11226772 - Dissolved on 6 June 2023 
- BUCHAN CHEMICALS LTD- SC743167 - Incorporated on 1 September 2022 
- LISA BUCHAN LTD- 13209089 - Incorporated on 18 February 2021 
- BUCHAN INVESTMENTS LIMITEDregistered- OE023572 - Incorporated on 6 February 2023