| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ALCUMUS CERTIFICATION LIMITED | 06333759 | 01/07/2016 | Dissolved |
| ALCUMUS COMPLIANCE LIMITED | 07770607 | 01/07/2016 | Dissolved |
| ALCUMUS FINANCE LIMITED | 07334643 | 01/07/2016 | Dissolved |
| ALCUMUS IEX HOLDINGS LIMITED | 07334955 | 01/07/2016 | Dissolved |
| OSNLOLO LIMITED | 16041894 | 25/10/2024 | Amber |
| SANTIA CERTIFICATION LIMITED | 07552626 | 25/05/2011 | Dissolved |
| SANTIA HOLDCO LIMITED | 07511550 | 25/05/2011 | Dissolved |
| SANTIA PROPERTY HOLDINGS LIMITED | 08464292 | 27/03/2013 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALCUMUS BIDCO LIMITED | 09794274 | 01/01/2017 | 19/12/2024 | One Red Flag |
| ALCUMUS GROUP LIMITED | 09793309 | 02/12/2015 | 19/12/2024 | Bronze |
| ALCUMUS HOLDINGS LIMITED | 06955372 | 01/07/2016 | 19/12/2024 | Bronze |
| ALCUMUS ISOQAR LIMITED | 02637608 | 01/07/2016 | 19/12/2024 | Gold |
| ALCUMUS MIDCO LIMITED | 09794154 | 01/01/2017 | 19/12/2024 | One Red Flag |
| ALCUMUS PIKCO BIDCO LIMITED | 13087002 | 17/12/2020 | 19/12/2024 | Bronze |
| ALCUMUS PIKCO MIDCO LIMITED | 13087054 | 17/12/2020 | 19/12/2024 | Bronze |
| ALCUMUS PIKCO TOPCO LIMITED | 13086441 | 17/12/2020 | 19/12/2024 | Bronze |
| ALCUMUS SAFECONTRACTOR LIMITED | 07618138 | 25/05/2011 | 19/12/2024 | Silver |
| ALCUMUS SAFEHR LIMITED | 08452449 | 21/03/2023 | 19/12/2024 | Gold |
| ALCUMUS SAFEWORKFORCE LIMITED | 02603010 | 01/07/2016 | 19/12/2024 | Amber |
| DRAGON UK BIDCO LIMITED | 13892607 | 09/03/2022 | 19/12/2024 | Bronze |
| DRAGON UK HOLDCO LIMITED | 13891957 | 09/03/2022 | 19/12/2024 | Silver |
| DRAGON UK MIDCO 1 LIMITED | 13892165 | 09/03/2022 | 19/12/2024 | Bronze |
| DRAGON UK MIDCO 2 LIMITED | 13892549 | 09/03/2022 | 19/12/2024 | Bronze |
| ECOONLINE EPERMITS HOLDINGS LIMITED | 06648423 | 30/06/2020 | 21/10/2022 | One Red Flag |
| ECOONLINE EPERMITS LIMITED | 04914922 | 30/06/2020 | 21/10/2022 | One Red Flag |
| ECOONLINE INFO EXCHANGE LIMITED | 04111074 | 01/07/2016 | 21/10/2022 | One Red Flag |
| ECOONLINE SIMPLE COMPLIANCE LIMITED | 08271004 | 10/09/2021 | 21/10/2022 | Amber |
| ECOONLINE SYPOL LIMITED | 04152975 | 01/07/2016 | 21/10/2022 | Bronze |
| LIGTAS CONSULTANCY AND TRAINING LIMITED | 07511553 | 25/05/2011 | 09/07/2019 | Amber |
| LIGTAS SERVICES LIMITED | 04903672 | 01/07/2015 | 09/07/2019 | Gold |
| PLANET FIRST LIMITED | 08472139 | 20/10/2023 | 19/12/2024 | One Red Flag |
| SANTIA ASBESTOS MANAGEMENT LIMITED | 07511557 | 25/05/2011 | 31/12/2016 | Strike Off |
| SANTIA CONSTRUCTION MANAGEMENT LIMITED | 05289555 | 02/05/2013 | 31/12/2016 | One Red Flag |
| THE PLANET MARK LIMITED | 12733450 | 20/10/2023 | 19/12/2024 | Not Trading |