- PHONE SECRETARY LTD- 15511293 - Incorporated on 21 February 2024 
- TIM FREDERICK LTD- 14007569 - Incorporated on 28 March 2022 
- K BARKER TM LTDDisolved- 14622612 - Dissolved on 21 November 2023 
- BARKERS LTDDissolved- 06063349 - Dissolved on 16 March 2010 
- QC BARKER LTDDisolved- 14050782 - Dissolved on 15 August 2023 
- OI BARKER LTDDisolved- 14100271 - Dissolved on 2 April 2024 
- RT BARKER LTDActive - Proposal to Strike off- 08010669 - Incorporated on 28 March 2012 
- LT BARKER LTD- 16146807 - Incorporated on 20 December 2024 
- ROGER K LTDActive - Proposal to Strike off- 10667994 - Incorporated on 14 March 2017 
- 1ST COMPANY SECRETARY LIMITEDActive - Proposal to Strike off- 05408752 - Incorporated on 31 March 2005 
- UK COMPANY SECRETARY LIMITEDDisolved- 05705770 - Dissolved on 15 July 2025 
- IRIS SECRETARY LTD- 14978562 - Incorporated on 4 July 2023 
- RH BARKER LTDDisolved- 13546477 - Dissolved on 2 July 2024 
- HU BARKER LTDDisolved- 13783761 - Dissolved on 22 July 2025 
- CH BARKER LTD- 12096274 - Incorporated on 10 July 2019 
- HK BARKER LTDDisolved- 13982689 - Dissolved on 22 July 2025 
- OY BARKER LTDActive - Proposal to Strike off- 14067453 - Incorporated on 25 April 2022 
- CJ FREDERICKS LTDDissolved- 07088184 - Dissolved on 12 July 2011 
- SLB (FREDERICK) LTD- 09668799 - Incorporated on 3 July 2015 
- MAX FREDERICK LTD- 16249059 - Incorporated on 12 February 2025