| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| APEX LIGHTING CONTROLS LIMITED | 04546943 | 24/05/2013 | Dissolved |
| COOPER CONTROLS (WATFORD) LIMITED | 00739673 | 07/08/2008 | Strike Off |
| COOPER CONTROLS LIMITED | 05029521 | 08/08/2008 | Dissolved |
| DIMMERS DIRECT LIMITED | 03900366 | 08/08/2008 | Dissolved |
| DYNALITE INTERNATIONAL LIMITED | 03578080 | 08/08/2008 | Dissolved |
| DYNALITE LIMITED | 03843573 | 08/08/2008 | Dissolved |
| FITTING IMAGES TECHNOLOGY LIMITED | 03427510 | 07/08/2008 | Dissolved |
| FOTADVISE (M.E.W.) LIMITED | 01495140 | 07/08/2008 | Dissolved |
| ICONTROL LIMITED | 03968874 | 08/08/2008 | Dissolved |
| ILIGHT LIMITED | 02811846 | 08/08/2008 | Dissolved |
| INTELLIGENT LIGHTING LTD. | 02416687 | 07/08/2008 | Dissolved |
| LIGHT PROCESSOR LIMITED | 01717143 | 07/08/2008 | Dissolved |
| LIGHT SOUND IMAGE SYSTEMS LIMITED | 03991378 | 08/08/2008 | Dissolved |
| LIGHTFACTOR CONTRACTS LIMITED | 01625515 | 07/08/2008 | Dissolved |
| LIGHTFACTOR SALES LIMITED | 01292747 | 07/08/2008 | Dissolved |
| LIGHTOMATION LIMITED | 02385549 | 07/08/2008 | Dissolved |
| MARATA GROUP LIMITED | 04399802 | 14/10/2008 | Dissolved |
| MERCURY SWITCH MANUFACTURING COMPANY LIMITED | 00793777 | 07/08/2008 | Dissolved |
| NELCO SYSTEMS LIMITED | 02848824 | 07/08/2008 | Dissolved |
| POLARON COMMUNICATIONS LIMITED | 00882505 | 07/08/2008 | Dissolved |
| POLARON COMPONENTS LIMITED | 00383431 | 07/08/2008 | Strike Off |
| POLARON CORTINA LIMITED | 02748972 | 07/08/2008 | Dissolved |
| POLARON ENGINEERING LIMITED | 01027048 | 07/08/2008 | Dissolved |
| POLARON ENTROPICS LIMITED | 00457336 | 07/08/2008 | Dissolved |
| POLARON MANUFACTURING LIMITED | 01078182 | 08/08/2008 | Dissolved |
| POLARON SCHAEVITZ LIMITED | 04428956 | 07/08/2008 | Dissolved |
| ROSSULA LIMITED | 01259598 | 07/08/2008 | Dissolved |
| ZECK AUDIO U.K. LIMITED | 03952167 | 07/08/2008 | Dissolved |
| ZERO 88 LIGHTING LIMITED | 03586095 | 08/08/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CLS INDUSTRIES (UK) LIMITED | 12182002 | 30/08/2019 | 26/02/2020 | Dissolved |
| COOPER LIGHTING SOLUTIONS UK LIMITED | 12363476 | 02/03/2020 | 26/04/2022 | Silver |
| EATON ELECTRICAL SYSTEMS LIMITED | 03012749 | 21/06/2016 | 02/03/2020 | Bronze |
| TRICO PRODUCTS (DUNSTABLE) PENSION TRUSTEES LIMITED | 00232187 | 31/08/2005 | 15/03/2007 | Dissolved |