- ST HELENA 2023- 14963874 - Incorporated on 27 June 2023 
- P HELENA LTD- 16165722 - Incorporated on 6 January 2025 
- HELENA.B LTDDisolved- 11969024 - Dissolved on 20 June 2023 
- MRS & MRS LIMITEDActive - Proposal to Strike off- 09898454 - Incorporated on 2 December 2015 
- LALY HELENAActive - Proposal to Strike off- 07809255 - Incorporated on 13 October 2011 
- MRS + MRS LIMITED- 11503800 - Incorporated on 7 August 2018 
- HELPNET LTDDisolved- 08618549 - Dissolved on 24 January 2023 
- HELENA WIND SP- SG000165 
- HEALTH MANAGEMENT TRANSFORMATION (HMT) LTDActive - Proposal to Strike off- 10475993 - Incorporated on 14 November 2016 
- EJ DOHERTY & CO LTDActive - Proposal to Strike off- NI072214 - Incorporated on 31 March 2009 
- HELENA & JAK LTD- 11483432 - Incorporated on 25 July 2018 
- MRS7 LTD.- 09527781 - Incorporated on 7 April 2015 
- MRS100 LTDActive - Proposal to Strike off- 09990427 - Incorporated on 5 February 2016 
- MRS D'S LLPActive - Proposal to Strike off- OC411574 - Incorporated on 30 April 2016 
- MRS13 LTD- 16086012 - Incorporated on 18 November 2024 
- FOR HELENA LTD- 16427846 - Incorporated on 2 May 2025 
- D.J.DOHERTY LTD- 14235964 - Incorporated on 14 July 2022 
- T B DOHERTY LTD- 14875003 - Incorporated on 17 May 2023 
- DOHERTY LTD- 15480705 - Incorporated on 10 February 2024 
- MRS & MRS FIX IT CYMRU LTDDisolved- 15026510 - Dissolved on 31 December 2024