| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ARUP INTERNATIONAL PROJECTS LIMITED | 09084147 | 17/03/2020 | Bronze |
| ARUP IP LIMITED | 11856134 | 17/03/2020 | One Red Flag |
| ARUP IP MANAGEMENT LIMITED | 11855973 | 17/03/2020 | One Red Flag |
| ARUP LIMITED | 02461313 | 17/03/2020 | Silver |
| ARUP TREASURY LIMITED | 02524467 | 17/03/2020 | One Red Flag |
| CUMNOR HOUSE SCHOOL TRUST | 02411055 | 22/06/2016 | Silver |
| EFLEET INTEGRATED SERVICE LIMITED | 08182130 | 17/03/2020 | Silver |
| FITZROY PROPERTY LIMITED | 10612606 | 09/02/2023 | One Red Flag |
| KOP SUPPORT LIMITED | 12340752 | 29/11/2019 | Dissolved |
| NETWORKED ELECTRICITY STORAGE TECHNOLOGY LIMITED | 08311736 | 17/03/2020 | Dissolved |
| OASYS LIMITED | 01454051 | 17/03/2020 | Not Trading |
| OVARPART NOMINEE LIMITED | 01289370 | 17/03/2020 | Amber |
| OVE ARUP & PARTNERS INTERNATIONAL LIMITED | 00952468 | 11/05/2020 | Silver |
| OVE ARUP INDIA HOLDINGS LIMITED | 01549807 | 17/03/2020 | Amber |
| OVE ARUP VENTURES LIMITED | 04212232 | 09/02/2023 | Silver |
| WELLHOUSE LANE MANAGEMENT COMPANY LIMITED | 11934668 | 09/04/2019 | Bronze |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARTUS AIR LIMITED | 13090918 | 01/05/2021 | 17/11/2021 | Bronze |
| MAILMANAGER LIMITED | 10174754 | 17/03/2020 | 08/02/2022 | Amber |