Pharmaceutical solutions & Specialty ingredients

About SEQENS group

Our main activities



Protéus / RSE

Protéus by Seqens is now certified Gold Ecovadis

Protéus-By-Seqens team, located in Nîmes (France), is pleased to announce having achieved the “Gold” level following the evaluation of its Corporate Social…
General / SD-CSR

Safety is at the heart of our activities

As a key player in pharmaceutical synthesis and specialty ingredients, Seqens deploys all its know-how to provide its customers with quality products.
Products & Technologies

MODENS® for styrene Butadiene copolymers, explore SEQENS’s expertise of Williamson Ether Synthesis

With more than 50 years of experience in up-scaling and custom manufacturing of small molecules and polymers, SEQENS Advanced Specialties offering a…

Seqens global presence

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Scientists, experts and engineers


Manufacturing sites


Customers in more than 80 countries