Ask how much pipeline a typical B2B SaaS company loses to broken process rather than genuine rejection, and the honest answer is: more than anyone measures, because most of it is invisible. The leaks that get counted are the ones that error out. The expensive ones fall silently between systems and never appear in a report at all.
Why there’s no clean benchmark
You’ll see figures thrown around — this percentage of leads never followed up, that share of pipeline lost at the handoff. Treat them all with suspicion, including any I’d offer. The reason is structural: leaked pipeline is, by definition, the pipeline your systems didn’t capture. A lead that routed to no one and aged out isn’t in your conversion stats as a loss; it’s simply absent. You can’t benchmark what your instrumentation never recorded.
So the published numbers understate the problem, because they’re built from the leaks visible enough to measure.
What the leaks actually look like
Rather than a headline percentage, it’s more useful to know the shapes. An unrouted segment quietly dropping a fixed number of enquiries a month. A handoff where sales re-qualifies from scratch, losing leads to the delay. Stale deals inflating pipeline that will never close. Enrichment gaps misrouting your best accounts. Each is a percentage of your pipeline, and they stack.
In the funnels I’ve audited, the recoverable leakage — pipeline lost to process, not merit — has consistently been large enough to change the quarter once it was found and fixed. Not a rounding error. A number that reframes the demand conversation.
Why the real figure stays hidden
Leaked pipeline generates no complaint. The lead that never got called doesn’t email to ask why. The misrouted enterprise deal gets worked, just badly. Absent a deliberate trace, none of it surfaces — which is exactly why teams keep buying more demand to cover a leak they can’t see.
How to find your number
You can’t look it up; you have to trace it. Follow real cohorts through your funnel, count what falls out at each handoff, and price it. That’s the only way to replace a borrowed benchmark with your actual figure.
Related reading
See what pipeline leakage is and how to run your own pipeline leak self-audit.
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