A rebuild of site, tracking and campaign structure — with a measured 26% improvement in the metric the client cared about.
Same category, same economics: high enquiry volume, thin margin per job, and a search landscape structured tightly enough that systematic coverage beats broad bidding.
The distinguishing feature of this engagement was that the measurement layer was rebuilt early enough to produce a defensible before-and-after number rather than an impression of improvement.
The reason there is a defensible number attached to this engagement is that the measurement layer was rebuilt before anything was scaled. Most accounts can't produce a credible before-and-after because the "before" was never measured properly.
The first phase was subtractive — search term review, negative keywords, and pausing what could not clear the target cost per lead. In competitive vehicle categories this alone usually improves results without any change in budget.
Once the waste was gone and the conversion path was clear, scaling became arithmetic rather than a gamble.
Search foundations were built underneath the paid activity so the cost of demand falls over time instead of rising with the auction.
The natural next step in a category like this is closing the loop between completed jobs and the ad platforms, so bidding optimises toward customers rather than enquiries — see Data & Measurement — and tightening the conversion path further with Conversion Engineering.
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