The business disruptions, changes to operational and enterprise risk, financial engineering, and the sheer time commitment to build and implement a deal drive potential clients to ask: Is outsourcing worth it? To help sourcing and vendor management executives make more informed outsourcing decisions, Forrester partnered with outsourcing advisory firm TPI to identify current savings trends in IT outsourcing deals. One key finding: The few dozen TPI clients analyzed here have unlocked at least $3.3 billion of total commercial value. Firms at the high and low ends of the deal sizes saved closer to 12%, while firms in the middle of the bell curve saved more than 17%.