| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CYWORKS PLC | 03904023 | 25/01/2000 | Dissolved |
| Cougar Communications Ltd | 05979804 | 26/10/2006 | Dissolved |
| ELECTRONIC HEALTH PRODUCTION LIMITED | 04798250 | 23/07/2012 | Dissolved |
| ELECTRONIC HEALTHCARE INFORMATION SERVICES LIMITED | 04887748 | 15/11/2012 | Dissolved |
| Leopard Communications Ltd | 04338067 | 12/12/2002 | Dissolved |
| MEDICAL INFORMATION SYSTEMS LIMITED | 03116316 | 13/12/1999 | Dissolved |
| NHS YEARBOOK LIMITED | 03195027 | 16/09/2008 | Dissolved |
| P P F PUBLICATIONS LIMITED | 03128485 | 13/12/1999 | Dissolved |
| Puma Communications Ltd | 03404384 | 17/07/1997 | Dissolved |
| WILDCAT COMMUNICATIONS LIMITED | 07200042 | 23/03/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ELECTRONIC DIGITAL MARKETING LTD | 08602927 | 11/07/2013 | 23/08/2013 | Dissolved |
| HARPER ASSOCIATES LIMITED | 03488741 | 09/09/2016 | 25/01/2025 | One Red Flag |