Also called: MQL
A marketing qualified lead (MQL) is a prospect who has crossed a scoring threshold, built from firmographic fit and behavioral signal, that marketing has agreed marks them ready to be worked, one step before sales decides whether to accept it.
The day-to-day scoring rule that decides when a lead becomes an MQL is usually a marketing ops task: adjusting a threshold, fixing a broken segment, tuning which behaviors count. But GTM Engineering vs Marketing Ops vs RevOps, an LLP piece mapping the three roles, draws a sharper line around who owns the definition itself: RevOps, not marketing alone, owns "shared funnel stage definitions (what actually counts as an MQL, an SQL, a closed-won)."
When marketing adjusts a scoring threshold without RevOps and sales agreeing to the change, MQL volume can swing hard while nobody upstream planned for the shift. The same piece names this exact failure mode for a missing RevOps layer: a scoring or routing workflow runs fine for a while, "then breaks silently the day sales redefines what qualified means and nobody tells the pipeline." The workflow keeps running. Nobody agrees anymore on what its output means.
MQL counts get reported as a marketing win metric, but the number only means something if sales still agrees the definition matches what actually turns into pipeline. A rising MQL count and a flat or falling SQL count is usually a sign the two sides have quietly drifted on what "qualified" means.
A growing MQL count gets read as pipeline progress on its own. It isn't, if the threshold moved to inflate the number or if sales stopped working MQLs at the same rate it used to. MQL volume and pipeline health can diverge completely without either side noticing until a forecast review surfaces the gap.
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