- LOCKHART GARDNER LIMITEDActive - Proposal to Strike off- 10384760 - Incorporated on 20 September 2016 
- LOCKHART INVESTMENTS LIMITEDActive - Proposal to Strike off- SC604667 - Incorporated on 8 August 2018 
- LOCKHART AMIN LIMITED- SC733887 - Incorporated on 27 May 2022 
- LOCKHART GLOBAL LIMITEDregistered- OE011675 - Incorporated on 9 January 2023 
- DWAYNE LOCKHART LTDDisolved- 15118882 - Dissolved on 15 April 2025 
- DAVID LOCKHART LIMITED- 15561730 - Incorporated on 14 March 2024 
- LENNOX LOCKHART LIMITED- 15654279 - Incorporated on 17 April 2024 
- LOCKHART JOINERY LTD.Disolved- SC340993 - Dissolved on 11 June 2024 
- LOCKHART PROPERTIES LIMITED- 05458342 - Incorporated on 20 May 2005 
- LOCKHART MEYER LIMITED- 05472898 - Incorporated on 6 June 2005 
- LOCKHART ENGINEERING LTDActive - Proposal to Strike off- SC420213 - Incorporated on 23 March 2012 
- LOCKHART JONES LIMITED- 04714014 - Incorporated on 27 March 2003 
- SPENCER LOCKHART LIMITEDActive - Proposal to Strike off- 08273229 - Incorporated on 30 October 2012 
- HENNESSY LOCKHART LTDDissolved- 09178154 - Dissolved on 31 December 2019 
- BRUCE LOCKHART LIMITEDDisolved- 09290982 - Dissolved on 13 December 2022 
- MORGAN LOCKHART LIMITED- 08546138 - Incorporated on 28 May 2013 
- LOCKHART JAMES LIMITED- SC453682 - Incorporated on 2 July 2013 
- MEDLAR LOCKHART LIMITED- 09350475 - Incorporated on 11 December 2014 
- LOCKHART PROJECTS LIMITEDActive - Proposal to Strike off- 10665336 - Incorporated on 13 March 2017 
- LOCKHART CAMPBELL LTD- 11577331 - Incorporated on 19 September 2018