| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| KAPPIKA LIMITED | 14557170 | 23/12/2022 | Dissolved |
| NOOSPHERE MEDIA LIMITED | 12909292 | 28/09/2020 | Dissolved |
| PCS INTERNATIONAL LIMITED | 10451096 | 28/10/2016 | One Red Flag |
| PERA INTERNATIONAL | 00412652 | 01/01/2022 | Silver |
| PERA MANAGEMENT SERVICES LIMITED | 08018934 | 04/04/2012 | Dissolved |
| PRA TRADING LIMITED | 08059692 | 30/07/2012 | Dissolved |
| THE APPLIED TECHNOLOGY RESEARCH INSTITUTE LIMITED | SC329867 | 30/07/2012 | Dissolved |
| THE UK HEALTH & ENVIRONMENT RESEARCH INSTITUTE LIMITED | 06265219 | 30/07/2012 | Dissolved |
| THE UK INTELLIGENT SYSTEMS RESEARCH INSTITUTE LIMITED | 06265227 | 30/07/2012 | Dissolved |
| THE UK MATERIALS TECHNOLOGY RESEARCH INSTITUTE LIMITED | 06265222 | 30/07/2012 | Dissolved |
| TRITIUM TRANSFORMS LIMITED | 11256283 | 15/03/2018 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| IRFAB LTD | 06308201 | 08/05/2013 | 10/03/2017 | Not Trading |
| NETWORK MANAGED SOLUTIONS LIMITED | 13776003 | 01/12/2021 | 13/01/2022 | Bronze |
| PERA CONSULTING (UK) LIMITED | 08082320 | 24/05/2012 | 19/04/2016 | Dissolved |
| PERA CORPORATE SERVICES LIMITED | 09764346 | 30/09/2015 | 19/07/2016 | Dissolved |
| PERA TECHNOLOGY LIMITED | 08082291 | 24/05/2012 | 28/11/2013 | Dissolved |
| PERA TRAINING LIMITED | 08082277 | 24/05/2012 | 18/04/2016 | Insolvent |