How to read this: the overall figure is a weighted average of the five categories, and one evidence basis applies to the whole card rather than category by category. Built on aggregated, anonymised renewal outcomes from Venduris customers, across every category. Published only where at least three distinct customers hold the vendor, so no single client can be identified.
Taking part does not raise a score. It changes what we can show our working against.
This score measures commercial treatment at renewal, not product quality. A vendor can be excellent and still price hard.