CinnabarImperial Marketing
Case Studies

E-Commerce & DTC

42% CPA reduction

DTC brand, Google & Meta

42%

CPA Reduction

2.8×

ROAS Improvement

4 variants/week

Creative Testing Cadence

The Challenge

A direct-to-consumer brand had scaled to $1M in monthly ad spend but CAC had risen 60% year-over-year. Their creative testing process was ad-hoc, audience targeting was fragmented across dozens of ad sets, and there was no consistent attribution model to guide budget decisions.

Our Approach

We consolidated their account structure, eliminating audience fragmentation and shifting to broad targeting with creative-led signals. We introduced a systematic creative testing framework — one variable at a time, minimum 50 conversion events per variant before declaring a winner. Full-funnel attribution was rebuilt using a blended model that accounted for view-through and cross-channel assist.

Full case study write-up — results verified and published Q3 2026

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