About us

rotterzwam believes in a society that closes cycles, makes maximum use of raw materials and consumes more vegetable than animal proteins.

We do this by collaborating locally, regionally, and internationally to stimulate and facilitate the production of mushrooms from local waste streams.

The result is a wide range of products and services related to mushroom production, awareness and delicious snacks made from 100% vegan products.

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circulaire economieSamen de voedselketen circulair maken: zo doen de Lokalist en rotterzwam dat

Making the food chain circular together: this is how Lokalist and rotterzwam do it

Rotterzwam and Lokalist join forces for a sustainable food service What do you do with all that coffee grounds left over after brewing a cup of coffee? Most companies simply throw them away, bu...

stageSix Months With Mushrooms: Neja's internship experience

Six Months With Mushrooms: Neja's internship experience

"During my internship at rotterzwam I learned all about making substrate for mushrooms and the best circumstances in which they grow. I especially liked all the research we did with Lion's Mane, be...

circulaire economieDe toekomst van rotterzwam en ge-zwam - informatiesessie

The future of rot and fungus - information session

Discover Rotterzwam's future plans – sign up for the online information sessions! Rotterzwam is organizing four interactive online information sessions on May 20th & 28th and June 10th &...