The problem you are living with
Your dashboard reports 5x ROAS on the channel you scaled. You scale further, and conversions plateau or fall. Then you defend the original number to the CFO. Reported ROAS includes retargeting that captured existing intent, branded search that intercepted free demand, and view-through credit you would never claim if you saw the underlying paths. Until you measure incrementality, you are optimizing toward an inflated number.
What causal attribution changes
Causal attribution separates what each channel caused from the demand it only captured. The 5x reported channel might have caused far less. The 2x channel that looks marginal might have caused more, because it creates the demand other channels close. With a data-health score and a next step for every channel, you can size scaling decisions and defend them with receipts.
How it fits your workflow
Run a causal attribution check before any spend-reallocation meeting. €99, 1–2 minutes, on your existing GA4 export. Bring the read into the meeting instead of platform-reported screenshots: what each channel caused next to last-click, shared by link.
Frequently asked questions
How does this compare to a Meta conversion lift study?
Meta designs and grades its own lift study. Causality Engine runs causal attribution on your first-party data, independent of any platform's incentives. You get an incremental read on every channel at once, not one channel at a time.What about MMM?
Causal attribution and MMM answer the same budget question in different ways. MMM models spend against sales over a long history; Causality Engine's causal read works on the GA4 export you already have, in 1–2 minutes. See /marketing-mix-modeling for how the two compare.How often should I re-run it?
Before any meaningful spend reallocation, or weekly during scaling pushes. As spend changes, incrementality changes - that is the point of measuring it instead of trusting platform-reported ROAS that lags reality.
Related
- Causal attributionWhat it is and how it differs from platform ROAS.
- Incrementality testingFrom geo holdouts to causal modeling on existing data.
- Meta Ads incrementalityMeta's true incremental contribution, not reported ROAS.
- Google Ads incrementalitySeparate captured demand from caused demand on Google.