Most lead lists record one thing about a company: that it is on the list. Nobody writes down why the others are not. The "no" pile is where the information is.

I'm the founder of SalesOne, which researches and qualifies B2B accounts before anyone reaches out. In our October 2026 production research runs, we checked 1,051 candidate companies against customers' ideal customer profiles, kept 249 and turned down 802. Every one of the 802 kept a reason. Counting those reasons told us more about list quality than the 249 we kept.

This post shows the counts, then the table and queries to do the same with your own pipeline.

What 802 reject reasons looked like

Reject reason Share of 802

No qualifying dated event inside its window 67.1%

Size outside the profile's band 14.3%

Subsidiary, acquired, pending sale or another ownership rule 9.7%

Industry or segment mismatch 2.7%

Other reasons 3.9%

Duplicate, geography, exclusion list or too few buying roles, combined 2.3%

Three things stood out:

Timing dominated.…