GLOSSARY · 5 min read

What Is Marketing Attribution?

Marketing attribution is how you connect a closed deal back to the marketing that created it. A plain-English definition, the main models, and why B2B companies struggle with it.

Marketing attribution is the practice of identifying which marketing touchpoints contributed to a conversion or a closed deal, so you can measure what your marketing actually produces. In plain terms, it’s how you answer the question “which of our marketing made this sale happen?” and, at scale, which channels and campaigns drive revenue rather than clicks and leads.

The main attribution models

Attribution models are just rules for assigning credit across the touchpoints in a buyer’s journey. First-touch gives all the credit to the very first interaction, which is good for seeing which channels build pipeline. Last-touch credits the final interaction before conversion, good for seeing which channels close. Multi-touch models (linear, U-shaped, W-shaped) spread credit across several touchpoints. Most B2B companies need at least first-touch and last-touch captured together, because they answer different questions.

Why B2B attribution is hard

Long sales cycles, multiple stakeholders, and a handoff from marketing systems to the CRM all conspire to break the trail. The source data exists on every click, but it usually dies before it reaches the closed deal. That’s the problem we call the attribution gap. Fixing it is less about buying a tool and more about wiring the data to survive from the first click to closed-won.

Frequently asked questions

What is the difference between first-touch and last-touch attribution?
First-touch credits the first interaction that brought someone in (which channels build pipeline); last-touch credits the final interaction before they converted (which channels close). They are often different channels, so B2B companies typically need both.
Why is marketing attribution important?
Because without it you measure marketing by leads, not revenue — and end up funding channels that produce cheap leads that never close. Attribution connects spend to closed revenue so budget decisions are based on what actually makes money.

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