What it is
An MQL is a lead that marketing has flagged as promising based on two kinds of evidence: behavior (downloaded a lead magnet, attended a webinar, opened a series of emails, kept returning to the pricing page) and fit (industry, company size, role, or location matches your ideal customer). An MQL has raised a hand, but nobody has confirmed they are actually ready to buy.
An SQL is further along. Sales has reviewed the lead and accepted it as worth a real conversation, usually after confirming basics like budget, decision-making authority, a genuine need, and a realistic timeline. In short: marketing qualifies interest; sales qualifies intent. The two labels mark different stages of the marketing funnel, and the moment a lead moves from one to the other is the handoff between the two teams.
Why it matters
The MQL/SQL split exists because marketing and sales often disagree about what a "good lead" is. Marketing celebrates a month with 300 MQLs; sales calls most of them junk and stops following up. That misalignment wastes ad budget, buries genuinely hot leads, and erodes trust between teams. Writing down an explicit, shared definition of each stage — and the exact trigger for the handoff — is the fix.
The split also changes how you judge campaigns. A channel that produces plenty of cheap MQLs but almost no SQLs is buying the wrong audience, no matter how good its cost per acquisition looks at the form-fill stage. Measuring cost per SQL, not just cost per lead, tells you which channels attract people who actually buy.
How the handoff works: lead scoring in brief
Most teams manage the handoff with simple lead scoring: points for fit (right industry, right company size, right role) plus points for behavior (visited pricing, requested a demo, downloaded a comparison guide). Cross a threshold and the lead becomes an MQL and is routed to sales. Sales then runs a quick review or discovery call; if the lead checks out, it is accepted as an SQL and enters the pipeline. If not, it goes back to marketing for more nurturing — a rejection with a reason, not a dead end.
How Apex Marketings uses this
Agreeing on MQL and SQL definitions is one of the first steps in our lead generation and funnel work, because it decides what a campaign is actually optimized for. See our published pricing, or get a free consultation on how this applies to your business.
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