La Boîte à sel is associated since the 23/24 season with :
- The Jéliote space - National Center for Puppetry of OLORON SAINTE MARIE (64)
- The Hectare - National Center for Puppetry of VENDÔME (81)
- The Theater of the 4 seasons - Conventioned stage of GRADIGNAN (33)
These supportive partners have constituted a precious anchorage for the company: artistically supportive, solid humanly, they have allowed us to create in the long term and in confidence, and to go through these last three seasons with momentum and inspiration.
À Oloron-Sainte-Marie, the collaboration has been particularly fruitful: laboratories and performances of La Tête, dissemination of Track and its associated mediation Le Ptit Track, dissemination of Bad Block — coproduced by the Espace Jéliote — in the highlight time Au fil de la marionnette 2024, support for the research project DGCA À l'écoute des objets, creation residency of Affects — coproduced by the Espace Jéliote —with a public meeting, and a connection with the Béarnaise artist Natacha Sansoz who has since joined the project. A seminar of the company has also been hosted. It is also at the invitation of Oloron that the exhibition In the factory of La Boîte à sel — coproduced by the Espace Jéliote —was created, which has since circulated well beyond the Pyrénées. Affects will be created there on November 10, 2026.
À Vendôme, the company has been pampered, it has led a laboratory around La Tête during the biennale With or without wire 2025, before playing La Tête and Bad Block — coproduced by the Hectare —,then in season Le Grand Chut with its mediation Le Ptit Chut. L'Hectare has also supported the DGCA research project À l'écoute des objets and hosted part of the exhibition In the factory of La Boîte à sel. The CNMa will host a creation residency of Affects — coproduced by the Hectare — in September 2026 as well as its performances for the 2027 biennale.
À Gradignan, a city close to the living place of Céline and Thomas who have become resident artists, it is a continuous presence that has settled naturally. Numerous laboratories over time have been hosted, as well as impromptus of La Tête, shared seasonal presentations, two residencies of Bad Block — coproduced by the Theater of the 4 seasons — with public outings and performances, and numerous laboratories and team seminars. the company also leads with the T4S an artistic and cultural education project around sound with 3 Gironde schools in 2026. The exhibition In the factory of La Boîte à sel, was also presented in November 2024. A creation residency of Affects — coproduced by the Theater of the 4 seasons — will take place in October-November 2026, for performances in 2027.
During the 23/25 and 24/25 seasons, À Rennes, the association with the Théâtre Lillico (35) for allowed to present Le Grand Chut and Block to the Breton public and to have meetings during its festival Marmaille.
During the 2022/23 season, La Boîte à sel was in territorial artistic residency in Tourville-Sur-Arques in Seine Maritime with DSN - Dieppe National Scene and Dieppe Maritime: five weeks of research laboratory conducted in parallel by the artists and by the children of the whole school on autonomous living objects. A future young audience show resulting from this research is planned for the 2029/30 season: "OUAT (what watt)"
From 2017 to 2019, La Boîte à sel and Très Tôt Théâtre - Quimper - Conventioned stage of Quimper, shared a large artistic and participatory project around sound that resulted in May 2019 in the creation of the show: "Le Grand Chut.". The fruit of a successful companionship, this show continued its dissemination in France until it reached 70 performances at the end of the 24/25 season.
From 2015 to the end of 2017, La Boîte à sel was in companionship with the Théâtre Ducourneau d'Agen - Conventioned theater and voice. The opportunity to create the show "Revers" and to carry out two artistic and participatory projects in the Agen territory:"Gallery", two years of exchanges between the plastic artist Rouge Hartley, Céline Garnavault and the residents of the Montanou neighborhood of Agen, punctuated by collages of portraits - resulting from these meetings - in the heart of the neighborhood, and the edition of a memory book. And "Smaf team", a radio documentary, imagined, designed, and recorded with young college students and the social center Saint Exupery of Agen.

