Rohner AG, founded in 1906 began by producing formic acid, later transitioning to the development of textile dyes. Today we manufacture state-of-the-art performance chemicals, APIs and cGMP intermediates.

As a leading CMO located in Switzerland near Basel, we serve demanding customers in growth markets with a traditional Swiss commitment to quality – providing them with development and rapid scale-up of complex, multi-step synthetic processes.

Your Agile Experts
As a mid-sized chemical company we are more flexible than larger companies:
·        Responsive to our customers’ needs in a more dynamic customer-centric way
·        Adaptive to the most diverse reaction requirements
·        Agile multi-functional production trains and seamless scale-up from laboratory to production at a single site

The RohnerChem Advantage
·        Route identification and process development
·        R&D to multi-ton commercial scale manufacturing
·        cGMP manufacturing for APIs and intermediates
·        Flawless up scaling with a focus on continuous improvement

Core RohnerChem Technologies
·        Asymmetric catalytic hydrogenations
·        Transition metal catalysis
·        Hazardous and malodorous reagents
·        Biocatalysis and chemocatalysis for unique chemistries
·        Functional polymers

Thanks to our long-lasting customer relationships, our prize-winning knowledge and experience, we have realized continuous and significant growth.

Contact us to discuss your chemical manufacturing challenges!