Sonic Healthcare is a global pathology provider. It is the largest private operator in Australia, Germany, Switzerland and the UK, the second-largest in Belgium and New Zealand, and the third largest in the US. In addition to pathology, which contributes roughly 85% of group revenue, Sonic is the second-largest player in diagnostic imaging in Australia and the largest operator of medical centers in Australia. The company typically earns about 40% of group revenue in Australia and New Zealand, 25% in the US, and 35% in Europe.