Biosynth Group Limited, a portfolio firm of KKR, acquired a majority stake in VIO Chemicals AG, a Swiss based company. Biosynth is a supplier of critical materials, securing life science supply chains with global research, manufacturing, and distribution facilities. Biosynth is owned amongst others by KKR, Ampersand Capital Partners and its management.

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