- GAVIN TOM LTDDisolved- 15054481 - Dissolved on 18 March 2025 
- FERNS & SON LIMITEDActive - Proposal to Strike off- 04702716 - Incorporated on 19 March 2003 
- THE FERNS 1973 LIMITEDActive - Proposal to Strike off- 09838278 - Incorporated on 22 October 2015 
- ADRENALINE FIRST AID TRAINING GROUP LIMITEDDisolved- 12725860 - Dissolved on 23 November 2021 
- FERNS MCLEAN LIMITED- 11451831 - Incorporated on 6 July 2018 
- FERNS LIVINGSTON LTD- 12915986 - Incorporated on 30 September 2020 
- FERNS COMMUNICATIONS LIMITED- 12860334 - Incorporated on 7 September 2020 
- FERNS PROPERTIES LTD- 12476897 - Incorporated on 21 February 2020 
- FERNS ENGINEERING LIMITEDActive - Proposal to Strike off- 07345901 - Incorporated on 13 August 2010 
- FERNS CATERERS LIMITED- 14336271 - Incorporated on 5 September 2022 
- GAVINUK LTD- 14862289 - Incorporated on 11 May 2023 
- GAVINET LTDDisolved- 13633665 - Dissolved on 14 March 2023 
- FERNSON LIMITEDActive - Proposal to Strike off- 11361987 - Incorporated on 15 May 2018 
- J AND A FERNS LIMITED- 06048453 - Incorporated on 11 January 2007 
- 28 FERNSHAW ROAD LTDDisolved- 14268289 - Dissolved on 26 September 2023 
- FERNS ASSOCIATES LIMITEDActive - Proposal to Strike off- 04209593 - Incorporated on 2 May 2001 
- IMPERIAL GROUNDWORKS LIMITED- 05232060 - Incorporated on 15 September 2004 
- NI656961 LIMITEDActive - Proposal to Strike off- NI656961 - Incorporated on 8 November 2018 
- NZ FERNS UK LIMITED- 09292225 - Incorporated on 3 November 2014 
- FERNS TECHNOLOGY LIMITEDDisolved- 06993375 - Dissolved on 22 March 2022