The temptation, presenting AI visibility to a finance audience, is to invent a revenue number. Take the visibility figure, apply an assumed prompt volume, apply a click-through rate borrowed from search, apply your conversion rate, and produce a pipeline contribution.
Do not do this. Every input is an assumption, the compounded error is enormous, and a CFO will find the weakest one in about ninety seconds. Losing that exchange costs you more than the number was ever going to win.
There is a better case to make, and it is an honest one.
Why the attribution genuinely does not exist
Three reasons, worth stating plainly rather than glossing:
Most influence produces no click. The answer names three tools; the reader forms an opinion and searches for one of them later, directly. Your analytics record a direct visit with no lineage.
Referrers are unreliable. Where a click does happen, the referrer is often stripped or lands in direct traffic. What surfaces in analytics is a fraction of what occurred.
The window is long. Someone shortlisting in August buys in November. Any attribution model with a thirty-day window will miss it entirely.
These are properties of the channel, not gaps in your tooling. No vendor solves them, and one claiming to is selling you a model, not a measurement.
Report these four things instead
1. Share of voice against named competitors
Not a solo number — a standings table. “On the forty questions our buyers ask, we are named in 18% of answers. Our closest competitor is named in 47%.”
This lands, because it is competitive and unambiguous, and because it does not require anyone to accept an attribution model to see the problem.
2. Direction of travel on a fixed set
The trend matters more than the level, and it is only credible if the prompt set has not changed. Say so explicitly: “same forty prompts since March.”
If prompts were added, show where, and show the trend on the original set alongside. Finance audiences are professionally alert to a denominator that moved.
3. The specific questions where you are absent
This is the most persuasive artefact available to you, and it is not a metric. It is a list.
Three or four verbatim questions a buyer would plausibly ask, the answer each engine gave, and the competitors it named instead. No modelling, no assumptions — just the thing the machine said to your market. It converts an abstract metric into a concrete loss, and it is very hard to argue with.
4. Accuracy failures, with their cost
Wrong pricing, a missing capability, a misstated compliance posture. These are the easiest to value, because you can point at the deal stage they affect. “Two engines tell buyers we do not support SSO. We do. It is on the Enterprise plan the sales team is quoting.”
What to say about ROI when asked directly
You will be asked. The answer that holds up:
We cannot attribute revenue to this channel, and neither can anyone else, because the influence usually happens without a click. What we can measure is whether we appear in the answers our buyers get, how that compares to competitors, and whether it is improving. We treat it as a leading indicator, in the same way we treat brand search volume.
The comparison to branded search is doing real work in that paragraph. Most finance functions already accept a leading indicator that is not directly attributable, because they have been living with one for years. You are asking for the same treatment, not for an exception.
Correlations worth tracking, carefully
Not attribution, but not nothing. Over a long enough window, watch AI visibility against direct traffic, branded search volume, and unattributed pipeline. If visibility rises for two quarters and branded demand rises with it, that is suggestive.
Present it as suggestive. The moment you present a correlation as a causal number, you are back in the invented-revenue conversation with less to defend.
The line that usually works
Reduce it to the decision actually on the table:
When someone asks an assistant which tool to use in our category, a competitor is named and we are not, in four answers out of five. We do not know exactly what that costs. We know it is not zero, and we know it compounds.
That is defensible in every clause, it does not require a model anyone has to believe, and it is a great deal more persuasive than a pipeline figure built on four stacked assumptions.