| Company | Country | Activity |
| Openbank, S.A. | Spain | Banking |
| Santander UK plc | United Kingdom | Banking |
| Mortgage Engine Limited | United Kingdom | Financial services |
| Santander Consumer Bank S.A | Poland | Financial services |
| Santander Consumer EFC, S.A. | Spain | Financial services |
| Santander Consumer Bank A.G. | Germany | Financial services |
| Santander Consumer Bank S.p.A. | Italy | Financial services |
| Santander Consumer Finance Benelux B.V. | Netherlands | Financial services |
| Santander Consumer Bank AS | Norway | Financial services |
| Banco Santander Consumer Portugal, S.A. | Portugal | Financial services |
| Santander Consumer Finance Oy | Finland | Financial services |
| Santander Consumer Bank GmbH | Austria | Financial services |