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| EF Langues à l'Étranger, EF Année Linguistique à l'Etranger, University Preparation | EF Education First Ltd | Selnaustrasse 30, 8001 Zürich, Switzerland |
| EF Academy | EF International Academy Ltd | Selnaustrasse 30, 8001 Zürich, Switzerland |
| EF High School Exchange Year | EF Educational Foundation for Foreign Study Ltd | Selnaustrasse 30, 8001 Zürich, Switzerland |
| EF Formations linguistiques pour entreprises et entités gouvernementales | EF Language Learning Solutions Ltd | Haldenstrasse 4, 6006 Luzern, Switzerland |