Continuum of


A main actor in pharmaceutical synthesis and specialty ingredients

A leader in pharmaceutical synthesis

Offering a wide range of technologies, Seqens provide its clients custom manufacturing services as well as a large portfolio of APIs & intermediates. We offer our customers with an access to our network of 3 R&D centers, 4 pilot units and 12 cGMP manufacturing sites and 6 cGMP multi-purposes sites to ensure a smooth in-house scale-up from early clinical phases to the commercial stage.


A cross-functional knowledge in specialty ingredients

Seqens offers a wide continuum of technologies covering small-scale to large-scale chemical synthesis and distillation including distinctive reactions such as Fiedel-Craft, Grignard and low-metal capabilities. This industrial network is supported by focused R&D capabilities. Seqens offers high purity oxygenated solvents leveraging its back-integrationl and a large range of Minerals Specialties produced.


A large expertise
in cosmetics

Seqens has built a wide, comprehensive and cutting edge offer for the cosmetic market sourced in pharmaceutics and fine chemistry know-hows.


A continuum of technologies

SEQENS operates 24 industrial plants and 3 R&D centers in Europe, North America and Asia.

More than 300 scientists, engineers and experts develop tailor-made solutions for its customers and ensure that products are successfully transferred into production.




Porcheville obtained its GMP certificate

SEQENS R&D Center in Porcheville, France, confirms its status as a center of excellence On 21 January 2019, the French National Agency for…

Seqens employees discover handball for the disabled

SEQENS employees have tried their hand at the Hand’Wheelchair, an initiative proposed by the UODL HandBall Tassin Brindas sports association SEQENS is an…
General / Partnership & Financial

Seqens prize for a PHD-thesis in synthetic organic chemistry

“SEQENS Prix d’excellence” will reward excellence in innovative synthetic chemistry for sustainable development. In 2019, the “Ile-de-France” Section of the French Chemical Society…

Seqens global presence

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Scientists, experts and engineers


Manufacturing sites


Customers in more than 80 countries