Johnson Matthey Colour Technologies supplies colour & precious metal inks for decorative & technical applications to glass & ceramics. The company's market position is built on over 200y experience. Many of the challenges affecting glass decoration are not unique to this industry: market conditions are increasingly competitive, legislative & environmental pressures drive technological innovation & the globalisation of markets offers both opportunities & threats. The decoration of glass allows customers to differentiate & add value to their product, whether for functional or aesthetic reasons. Glass enamels & precious metal inks still offer the best technical performance for many applications. In this article the author outlines the range of colours & precious metal inks that are available for the decoration of different types of glass.