| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| OMNICOM APIMA INVESTMENTS LIMITED | 11056434 | 01/08/2021 | Silver |
| OMNICOM DDB HOLDINGS LIMITED | 09290676 | 01/08/2021 | Silver |
| OMNICOM EMEA HOLDINGS LIMITED | 09461219 | 01/08/2021 | Silver |
| OMNICOM EMEA INVESTMENTS LIMITED | 10537408 | 01/08/2021 | Strike Off |
| OMNICOM EUROPE SUBHOLDINGS LIMITED | 10473204 | 01/08/2021 | Silver |
| OMNICOM FINANCE BRAZIL LIMITED | 09913603 | 01/08/2021 | Strike Off |
| OMNICOM FINANCE HOLDINGS PLC | 11432221 | 01/08/2021 | Bronze |
| OMNICOM FINANCE INVESTMENTS LIMITED | 10968648 | 01/08/2021 | Gold |
| OMNICOM FINANCE LIMITED | 01064095 | 01/08/2021 | Gold |
| OMNICOM INTERNATIONAL FINANCE | 05492018 | 17/04/2008 | Gold |
| OMNICOM MANAGEMENT EUROPE | 05291536 | 17/04/2008 | Dissolved |
| OMNICOM MANAGEMENT LIMITED | 12236983 | 09/12/2019 | Amber |
| OMNICOM PACIFIC FINANCE LIMITED | 07496844 | 01/08/2021 | Dissolved |
| OMNICOM REGIONAL INVESTMENTS LIMITED | 11026849 | 01/08/2021 | Silver |
| SOUTHWARK FINANCE LIMITED | 12539476 | 01/08/2021 | Gold |
| SOUTHWARK FINANCIAL SERVICES LIMITED | 12540769 | 01/08/2021 | Silver |
| SOUTHWARK INVESTMENT HOLDINGS LIMITED | 12464129 | 01/08/2021 | Amber |
| TBWA EMEA LIMITED | 09290668 | 01/08/2021 | Silver |
| TEQUILA INTERNATIONAL HOLDINGS LIMITED | 03510720 | 01/08/2021 | Amber |
| TEQUILA UK | 02677234 | 01/08/2021 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CARDINIA EUROPE LIMITED | 09290662 | 01/08/2021 | 01/07/2023 | Gold |
| CARDINIA REAL ESTATE UK LIMITED | 09111047 | 01/08/2021 | 26/03/2024 | Bronze |