- CLOSE ME LIMITEDDissolved- SC321431 - Dissolved on 21 August 2009 
- HEADLAM ASSOCIATES LIMITED- 04822558 - Incorporated on 6 July 2003 
- AWOTAS SERVICES LTDActive - Proposal to Strike off- 08504069 - Incorporated on 25 April 2013 
- ESSN HEALTHCARE LTD- 09566612 - Incorporated on 29 April 2015 
- GARDINER & GREGORY LTD- 14582073 - Incorporated on 10 January 2023 
- ELLIOT GARDINER LTDDisolved- 13129654 - Dissolved on 18 February 2025 
- GARDINER HAYDEN LIMITEDDisolved- 10670731 - Dissolved on 5 April 2022 
- GARDINER MANAGEMENT LTD- 15156258 - Incorporated on 22 September 2023 
- GARDINER & COLLIS LIMITEDDissolved- 00603160 - Dissolved on 4 May 2019 
- GARDINER BROS. LIMITED- 01493461 - Incorporated on 25 April 1980 
- GARDINER (HOLDINGS) LIMITED- 02432459 - Incorporated on 16 October 1989 
- GARDINER ELECTRONICS LTDDissolved- 06717043 - Dissolved on 18 May 2010 
- GARDINER GRAHAM LIMITED- 03246074 - Incorporated on 5 September 1996 
- BRIAN GARDINER LIMITEDActive - Proposal to Strike off- SC396247 - Incorporated on 24 March 2011 
- LOUISE GARDINER LIMITED- 08032213 - Incorporated on 16 April 2012 
- GARDINER BUILDERS LIMITED- SC316451 - Incorporated on 13 February 2007 
- GARDINER ESTATES LIMITED- NI005093 - Incorporated on 21 November 1961 
- GARDINER BROCKLEHURST LIMITED- 08522817 - Incorporated on 9 May 2013 
- JUDITH GARDINER LIMITED- SC457652 - Incorporated on 27 August 2013 
- GARDINER TRANSPORT LIMITEDActive - Proposal to Strike off- 07813732 - Incorporated on 18 October 2011