
Shellfish farming, including mussels, oysters, clams, and periwinkles, in the Vilaine Bay.
B
CSR Analysis score
The organization is among the top 20% of most committed organizations, excluding the top 5%, among comparable organizations.
+160,000
Total organizations analyzedAnalysis by axis
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Methodology: Score calculated according to 6 CSR themes (Carbon, Biodiversity, Circular Economy, Sustainable Investments, Governance, Social Impact)
Sources: Public data, CSR reports, documented initiatives, official databases
Last update: January 2026
This analysis is not yet available in English. Please see the French version.
Leading organizations
Maison Tarbouriech
A
Oyster and mussel farming, production, and sales, along with local products.
La Perle de Thau
A
Oyster and mussel farming, production, and distribution to supermarkets, wholesalers, and restaurants.
Huîtres de Pen Al Lann
B
Oyster farming and commercialization for professionals and individuals, offering both cupped and flat oysters raised on the ground or on tables.
Initiatives identified among leaders
Valorisation production via réduction déchets et économie circulaire
“Le système Éco-Écrin permet une valorisation optim...” - La Perle de ThauUtilisation de l'énergie solaire et technologies éco-respectueuses en production
“La Maison Tarbouriech combine innovation et savoir...” - Maison TarbouriechPréservation de l'écosystème de la Baie de Morlaix
“Huîtres de Pen Al Lann préserve l'écosystème de la...” - Huîtres de Pen Al Lann68% of similar organizations communicate on CSR issues
+1134 initiatives collected from 50 similar organizations
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