- NORTON GARTH LIMITED- 01839055 - Incorporated on 7 August 1984 
- THURLOW GARTH LIMITED- 02461924 - Incorporated on 22 January 1990 
- GARTH OLWG LIMITEDActive - Proposal to Strike off- 08130421 - Incorporated on 4 July 2012 
- RAINES GARTH LIMITED- 07884903 - Incorporated on 16 December 2011 
- LULLINGTON GARTH LIMITED- 07950275 - Incorporated on 15 February 2012 
- GARTH CASTLE LIMITED- SC090599 - Incorporated on 19 November 1984 
- GARTH HOMES LIMITED- 04520490 - Incorporated on 28 August 2002 
- GARTH WALK LIMITED- 13470504 - Incorporated on 22 June 2021 
- GARTH CONSULTING LIMITEDActive - Proposal to Strike off- 10982649 - Incorporated on 26 September 2017 
- GARTH CONSULTING LTD- 12456344 - Incorporated on 11 February 2020 
- GARTH INVESTMENTS LIMITED- 13971817 - Incorporated on 11 March 2022 
- ASHLANDS GARTH LIMITED- 16479178 - Incorporated on 28 May 2025 
- R J PETERSEN CONSULTING LTDActive - Proposal to Strike off- 08103844 - Incorporated on 13 June 2012 
- BRENDA L PETERSEN LIMITEDActive - Proposal to Strike off- 08496748 - Incorporated on 19 April 2013 
- PETERSEN PROJECT SERVICES LIMITEDDissolved- 04300428 - Dissolved on 11 January 2011 
- PETERSEN STRUCTURAL RIGGING LTDDisolved- 08078556 - Dissolved on 29 October 2024 
- PETERSEN FUTURE OPTIONS LIMITEDDisolved- 07560196 - Dissolved on 15 February 2022 
- HARPER PETERSEN & CO LIMITED- 00380839 - Incorporated on 27 May 1943 
- PETERSEN INVEST NORWAY LIMITEDDisolved- 11053489 - Dissolved on 17 May 2022 
- DEVON PETERSEN DARTS LIMITED- 12917585 - Incorporated on 1 October 2020