- David, Mr. RICHARDSON- Born November 1937 - 5 Sandy Court Ashleigh Way, Plympton, Plymouth, England, PL7 5JX 
- James, Mr. RICHARDSON- 2nd Floor, 55 Ludgate Hill, London, United Kingdom, EC4M 7JW 
- HITCHENS (ENGRAVERS) LIMITED- 01730775 - Incorporated on 10 June 1983 
- GARTH LIMITED- 02043854 - Incorporated on 6 August 1986 
- TOM GARTH LTDDissolved- 09223616 - Dissolved on 23 October 2018 
- AMY GARTH LTD- 15162965 - Incorporated on 25 September 2023 
- WINFIELDCX LTDDisolved- NI708351 - Dissolved on 1 October 2024 
- GARTH FOX LTDDisolved- 08861233 - Dissolved on 13 September 2022 
- GARTH ROW LTDDisolved- 13617193 - Dissolved on 15 August 2023 
- BEN WINFIELD LTD- 14386454 - Incorporated on 29 September 2022 
- PAUL GARTH LTDDisolved- 09659039 - Dissolved on 31 December 2024 
- WINFIELD MEVM LTDDisolved- 15947020 - Dissolved on 1 July 2025 
- SARU LIMITEDActive - Proposal to Strike off- 10626535 - Incorporated on 17 February 2017 
- COPPER POT INSPIRES LTDDisolved- 14384176 - Dissolved on 15 August 2023 
- GARTH UPVC LTDActive - Proposal to Strike off- 07808977 - Incorporated on 13 October 2011 
- DALE GARTH LTD- 12838055 - Incorporated on 26 August 2020 
- GREY GARTH LTDLiquidation- 10762412 - Incorporated on 10 May 2017 
- GARTHCON LTDDisolved- 13539498 - Dissolved on 13 June 2023 
- WINFIELD CARS LTD- 15081241 - Incorporated on 18 August 2023 
- GARTH VIEW LTD- 12583286 - Incorporated on 4 May 2020