Across all industries and markets globally, software is one of the largest categories of IT spend, and spending on the largest enterprise software vendors like SAP, Oracle, IBM, and Microsoft has only increased over the last decade. This has led technology leaders to explore cost-saving opportunities on annual maintenance and support, and it’s why independent third-party software support (TPSS) vendors have become so valuable. This report guides technology leaders on how the large-vendor TPSS market has evolved and how to work with these vendors.