The stages and who owns them
The classic sequence runs inquiry, marketing qualified lead, sales accepted lead, sales qualified lead, and closed won. Ownership shifts twice along that path. Marketing owns everything through the qualified lead stage. Acceptance is the first shared line, because marketing offers and sales decides. From qualification onward the outcome belongs to sales.
Those two handoff points produce most of the loss in the waterfall, and they are the reason the model is worth maintaining. A drop between inquiry and MQL is a scoring or targeting question. A drop between MQL and acceptance is a definition disagreement. A drop between acceptance and qualification is an execution question inside sales. One chart, three different conversations, each with a clear owner.
Making the rates trustworthy
Waterfall math falls apart when the rates are measured carelessly. Two rules fix most of it.
Measure by cohort. Track what happened to the leads created in a given period rather than dividing this month's outputs by this month's inputs. Stage-to-stage lag makes calendar-period division misleading whenever volume is growing or shrinking.
Segment by source. Blended rates hide the channel doing the work. A waterfall that reports one MQL-to-SQL number across paid search, content syndication, and referrals is describing an average that matches no channel you actually run.
Using it to plan the quarter
Run the waterfall backward from the revenue number. Required closed won deals divided by the qualified-to-close rate gives required SQLs, and repeating that division up the stack gives the inquiry volume the plan depends on. Comparing that requirement against historical channel output tells you whether the plan is achievable before the quarter starts rather than in week ten.
Coverage is a separate check on the same question. ORM reports 3x to 5x as the standard range, with most of its customers sitting near 3.5x and some running as low as 1.4x. Coverage describes the pipeline that already exists, and the waterfall describes what will be created next, so a quarter that depends heavily on in-quarter creation needs the waterfall watched weekly. Neither view substitutes for the other, which is the argument against treating pipeline coverage as the answer on its own. Feeding both into revenue forecasting is what separates a plan from a hope.
Frequently Asked Questions
What are the stages of a demand waterfall?
The common sequence is inquiry, marketing qualified lead, sales accepted lead, sales qualified lead, and closed won. Some teams add a target account stage at the top for account-based motions and a meeting held stage between acceptance and qualification. The exact stages matter less than having a written entry rule for each one that both marketing and sales signed off on.
How is a demand waterfall different from a sales funnel?
A demand waterfall covers the pre-opportunity stages that marketing and sales development own, and a sales pipeline covers the post-opportunity stages an account executive owns. The waterfall ends where the pipeline begins. Running both as one chart hides the handoff, which is where most of the volume is lost.
How do you use a demand waterfall for planning?
Work backward from the revenue target through each conversion rate to the inquiry volume required, then compare that requirement against what your channels have historically produced. The gap is your demand plan. The output is only as good as the conversion rates you feed it, so use rates measured by cohort and segmented by source rather than a single blended average.
Why do demand waterfall conversion rates drift?
Usually because a stage definition changed without anyone restating history. A lowered scoring threshold or a looser acceptance rule moves volume between stages and shifts every rate below it. Version your stage definitions with dates so you can tell a real performance change from a definition change.
Put these metrics to work
ORM builds custom revenue forecast models that turn concepts like demand waterfall into prescriptive action for your team.
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