Michel Hilger is currently a member of the following musical ensembles:
- Quintette de France
- French-Polish ensemble of Yacek Stankiewicz
- Polyphanie
- Pro Angelis Duo
- Orchester Cosi Fan Tutte
- Regional chamber orchestra of Ile-de-France
- Liber'TRIO
- Ensemble polyphonique Kalinka
He is a former member of the orchester of the Garde Républicaine.