Swiss excellence encompassing low-cost European R&D expertise and large-scale advanced manufacturing in China

VIO Chemicals is specialized in the custom design and production of specialty chemicals, intermediates and Active Pharmaceutical Ingredients (APIs).

The story of VIO Chemicals began with a passion for chemistry as a start-up company in the high-end business environment of Zurich, Switzerland in 2001. It has since grown to a global provider with a portfolio of 2500 products delivered to the world's leading companies all over the Americas, over 20 European countries and Asia. Today, VIO Chemicals is the exclusive and trusted partner for customers and suppliers in the chemical and pharmaceutical industry worldwide. 

We place our customer at the centre of our activities, hence our new company motto “Our Science, Your Product”, which demonstrates our commitment and customer-centric approach in all our activities, says Dimitris Kalias, CEO and Founder.

  • Process and product research and development
  • Manufacturing
  • Strategic sourcing
  • Integrated support and consultancy

Offices & facilities
  • Headquarters in Zurich, Switzerland
  • R&D centre in Thessaloniki, Greece, certified with ISO 9001 & ISO 14001
  • China representative office in Nanjing, certified with ISO 9001 
  • 3 production facilities in Binhai, China, one cGMP-standard and certified with ISO 9001
Several local sales agents across the wold, from the Americas to Japan.