| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BUXTON SERVICES LIMITED | 05066072 | 10/05/2007 | Dissolved |
| CLARKE ENERGY (SCOTLAND) LIMITED | SC114973 | 05/06/1990 | Dissolved |
| CLARKE ENERGY SOLUTIONS LIMITED | 03173655 | 21/03/1996 | Dissolved |
| CLARKE WIND ENERGY LIMITED | 02609447 | 10/05/1992 | Dissolved |
| Clarke Generation Ltd | 03981050 | 03/08/2000 | Dissolved |
| Clarke Telecom Construction Ltd | 04390280 | 08/06/2005 | Dissolved |
| Disastercom Ltd | 05482469 | 10/05/2007 | Dissolved |
| Infrastructure Technologies Ltd | 04298519 | 10/05/2007 | Dissolved |
| J CLARKE INVESTMENTS LIMITED | 08295218 | 15/11/2012 | Bronze |
| JIM CLARKE FAMILY TRUST LTD | 07366648 | 06/09/2010 | Dissolved |
| MADISON VENTURES LIMITED | 04044058 | 31/07/2000 | Silver |
| MSBCO (1) LIMITED | 07508261 | 27/01/2011 | Dissolved |
| P2-Comms Ltd | 05378155 | 24/08/2007 | Dissolved |
| PEACHY BEECHY LLP | OC394127 | 04/07/2014 | Dissolved |
| PHENOMENAL FLYING LLP | OC411429 | 22/04/2016 | Dissolved |
| Paragon Projects Ltd | 04934759 | 10/05/2007 | Dissolved |
| R T Masts Ltd | 01981078 | 10/05/2007 | Dissolved |
| Shirebrook Power Ltd | 04033574 | 08/11/2000 | Dissolved |
| THE CLARKE FAMILY CHARITABLE FOUNDATION | 11380307 | 24/05/2018 | Amber |
| WAX ENTERPRISES LIMITED | 14600862 | 23/02/2023 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CAVITY ACCESS LIMITED | 04063736 | 01/09/2000 | 05/05/2010 | Dissolved |
| CLARKE ENERGY HOLDINGS LIMITED | 03773142 | 07/07/1999 | 31/01/2017 | Gold |
| CLARKE ENERGY LIMITED | 01341453 | 20/05/1991 | 31/01/2017 | Gold |
| CLARKE ENERGY OPERATIONS LIMITED | 08084300 | 25/08/2012 | 31/01/2017 | Dissolved |
| CLARKE ENERGY TOPCO LIMITED | 08084293 | 25/08/2012 | 31/01/2017 | Dissolved |
| CLARKE ENERGY TRADING LIMITED | 07524777 | 10/02/2011 | 31/01/2017 | Dissolved |
| CLARKE TELECOM LIMITED | 07524755 | 10/02/2011 | 28/04/2014 | Silver |
| ENCOMPASS HSE SERVICES LTD | 06071955 | 10/05/2007 | 15/06/2007 | Amber |
| J CLARKE PROPERTY INVESTMENTS LLP | OC380244 | 15/11/2012 | 03/06/2015 | Dissolved |
| SOREN LIMITED | 05066192 | 10/05/2007 | 14/09/2007 | Dissolved |