Mid-market optimism drops six points as Iran war drives a sharp rise in uncertainty

31 Mar 2026

The war in Iran has seen mid-market business optimism fall sharply in the first quarter of 2026, down six points to 68%, according to Grant Thornton’s latest International Business Report.

Predictable uncertainty, steady optimism: mid-market resets for 2026

12 Dec 2025

Grant Thornton’s International Business Report reveals mid-market optimism remains strong at 74%, despite a slight decline this quarter. Economic uncertainty dropped eight points to 54%, signaling more predictable conditions ahead. Discover why falling uncertainty hasn’t boosted optimism and what it means for investment confidence in 2026.