High Quality Content by WIKIPEDIA articles! The Sage Group plc (LSE: SGE), commonly known as Sage, is a global enterprise software company headquartered in Newcastle upon Tyne, United Kingdom. It is the world's third-largest supplier of enterprise resource planning software (behind Oracle and SAP), the largest supplier to small businesses, and has 6.1 million customers worldwide. It has offices in 24 countries and its products and services are available in more than 160 countries. It was the patron of The Sage Gateshead music venue in Newcastle upon Tyne.