Justine Verdier has participated or participates in concerts organized by:
- Cziffra Foundation
- The Christmas Romance Croissy, organized by the Association Pleyel 1838
- The Musical Circle of Cannes
- Live Music Now - Menuhin Foundation Austria
- The Zonta Club Paris Elysees
- Foundation Cajasol
- Franco-American Vocal Academy
- The Chopin Society of Darmstadt
