This document provides an overview of the global engineering services landscape and market trends. It notes that total corporate engineering spend reached $1 trillion in 2015, with research and development accounting for about 78% of that spend. The engineering, research and development outsourcing market was $36 billion in size in 2015 and grew by 8.7% that year. The top 20 engineering services providers contributed around 59% of the overall market. Aerospace, software/internet, and automotive are the most mature industries for engineering services outsourcing.