| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AI TRAFFIC MANAGEMENT LIMITED | 03747410 | 30/03/2017 | Dissolved |
| BARDON CONTRACTING TRAFFIC MANAGEMENT LIMITED | 03747404 | 30/03/2017 | Dissolved |
| ENSCO 1375 LIMITED | 12717414 | 18/11/2020 | Bronze |
| HAMSARD 3776 LIMITED | 15876257 | 28/10/2024 | Amber |
| HAMSARD 3777 LIMITED | 15876344 | 28/10/2024 | Amber |
| HAMSARD 3778 LIMITED | 15876340 | 28/10/2024 | Amber |
| HAMSARD 3782 LIMITED | 15876333 | 28/10/2024 | Amber |
| INDEPENDENT GOVERNANCE GROUP LIMITED | 12031956 | 02/02/2023 | One Red Flag |
| INDEPENDENT TRUSTEE LIMITED | 02473669 | 02/02/2023 | Bronze |
| INDEPENDENT TRUSTEE SERVICES LIMITED | 02567540 | 02/02/2023 | Bronze |
| LEADENHALL INDEPENDENT TRUSTEES LIMITED | 02303944 | 02/02/2023 | One Red Flag |
| ROSS CORPORATE HOLDINGS LIMITED | 12492029 | 19/01/2021 | Bronze |
| ROSS CORPORATE SERVICES LIMITED | 07104969 | 19/01/2021 | Bronze |
| ROSS TRUSTEES SERVICES LIMITED | 07904277 | 19/01/2021 | Gold |
| SYPOL ENVIRONMENTAL MANAGEMENT LIMITED | 02218328 | 10/08/2009 | Dissolved |
| XIOLA LIMITED | 06955438 | 07/08/2009 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALCUMUS CERTIFICATION LIMITED | 06333759 | 08/10/2010 | 30/06/2014 | Dissolved |
| ALCUMUS COMPLIANCE LIMITED | 07770607 | 12/09/2011 | 30/06/2014 | Dissolved |
| ALCUMUS FINANCE LIMITED | 07334643 | 06/08/2010 | 30/06/2014 | Dissolved |
| ALCUMUS HOLDINGS LIMITED | 06955372 | 07/08/2009 | 30/06/2014 | Bronze |
| ALCUMUS IEX HOLDINGS LIMITED | 07334955 | 06/08/2010 | 30/06/2014 | Dissolved |
| ALCUMUS ISOQAR LIMITED | 02637608 | 08/10/2010 | 30/06/2014 | Gold |
| ALCUMUS SAFEWORKFORCE LIMITED | 02603010 | 16/09/2011 | 30/06/2014 | Amber |
| CHEVRON TRAFFIC MANAGEMENT (HOLDINGS) LIMITED | 06903257 | 08/08/2018 | 08/07/2019 | Dissolved |
| CHEVRON TRAFFIC MANAGEMENT LIMITED | 03316774 | 16/11/2016 | 08/07/2019 | Silver |
| ECOONLINE INFO EXCHANGE LIMITED | 04111074 | 06/08/2010 | 30/06/2014 | One Red Flag |
| ECOONLINE SYPOL LIMITED | 04152975 | 10/08/2009 | 30/06/2014 | Bronze |
| HIGHWAY RESOURCE SOLUTIONS LTD | 07551169 | 30/09/2018 | 10/07/2019 | Gold |
| MOXON TRAFFIC MANAGEMENT LIMITED | 04482709 | 31/07/2017 | 08/07/2019 | Dissolved |
| RAMUDDEN GLOBAL (UK) LIMITED | 11270042 | 08/06/2018 | 08/07/2019 | One Red Flag |