Case study · Quote-driven e-commerce · Google

Sterling Promotional Group: spend up 88% while ROAS climbed 74%

Sterling Promotional Group
+88% / +74%
monthly spend · ROAS
Business
Sterling Promotional Group, custom promotional products
Goal
Quote requests, measured on 30-day matured order value
Channel
Google + Meta, ~$250K/month managed
Timeframe
Sep 2023, ongoing

The starting point

Sterling runs six promotional products brands through three ad accounts. Two months in, they moved from a marketplace arrangement to working with me directly. The optimization target was wrong: raw lead volume instead of what those leads turned into.

What I did

Moved measurement to 30-day matured order ROAS, so budget decisions follow revenue that actually closed, not form fills. Scaled spend into the brands and campaigns that matured best. Managed $4.2 million in lifetime spend on the flagship account group.

Results

Metric
Result
Change
Monthly spend
+88%
Scaled
ROAS (30-day matured)
3.45x → 5.99x
+74%
Managed spend
~$250K a month across the group
Lifetime Google spend managed
$4.2M+

That move, two months in, from a marketplace arrangement to working with me directly, is the testimonial.

Figures from the ad account, archived July 2026.

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