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Last-Touch Attribution

An attribution model that assigns 100% of the conversion credit to the final marketing touchpoint before conversion. Last-touch attribution values the closing channel and is the default model in most analytics platforms.

Last-touch attribution credits the channel or interaction that directly preceded the conversion. If a customer visited five times through different channels before converting on a retargeting ad click, last-touch gives full credit to retargeting. This is the default attribution model in Google Analytics and most marketing platforms because it is straightforward and requires no complex modeling.

For marketing teams, last-touch attribution is useful for understanding which channels are most effective at closing conversions. It answers: what is the final push that drives people to act? Use last-touch data to optimize bottom-of-funnel campaigns like retargeting, branded search, and promotional emails. The major limitation is that last-touch dramatically undervalues awareness and consideration channels. Content marketing and organic social rarely get the last click but may have introduced most customers to the brand. In practice, last-touch over-credits channels that happen to be the final interaction (often branded search or direct) while under-crediting channels that initiated the relationship. Use alongside first-touch and multi-touch models for balanced decision-making.

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