- J JOHNSTON LTD- 12904725 - Incorporated on 25 September 2020 
- K. JOHNSTON LTDDissolved- SC542841 - Dissolved on 18 December 2018 
- MR RICHARD DAVID TONY JACKSON LIMITEDDisolved- 14605452 - Dissolved on 25 June 2024 
- MR & MRS FIT LTDDisolved- 13471739 - Dissolved on 10 December 2024 
- DAVID ROBERTSON CONSULTING LIMITED- 11745939 - Incorporated on 2 January 2019 
- W R JOHNSTON LTD- NI066690 - Incorporated on 18 October 2007 
- A&E JOHNSTON LTD- 12101124 - Incorporated on 12 July 2019 
- DAVID ROBERTS FINANCIAL PLANNING LTD- 08719186 - Incorporated on 4 October 2013 
- BACK IN BALANCE LIMITED- SC505235 - Incorporated on 6 May 2015 
- DAVID L.L. ROBERTSON DEVELOPMENTS LIMITED- 05533578 - Incorporated on 11 August 2005 
- MR & MRS GIN LTDDisolved- 10554971 - Dissolved on 1 April 2025 
- MR & MRS TOY LTDActive - Proposal to Strike off- 09801554 - Incorporated on 30 September 2015 
- GRACE HAIR & BEAUTY LTDLiquidation- 10892308 - Incorporated on 31 July 2017 
- N J JOHNSTON LTD- 03275722 - Incorporated on 8 November 1996 
- D P JOHNSTON LTD- 05127967 - Incorporated on 14 May 2004 
- R & R JOHNSTON LTDActive - Proposal to Strike off- NI071011 - Incorporated on 14 November 2008 
- A JOHNSTON LTD- NI648710 - Incorporated on 17 October 2017 
- J P JOHNSTON LTDActive - Proposal to Strike off- 11190415 - Incorporated on 6 February 2018 
- W JOHNSTON LTD- SC555477 - Incorporated on 24 January 2017 
- K JOHNSTON LTD- 14688275 - Incorporated on 24 February 2023