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Markets where a tool was stable
Twelve runs across the US, Spain and France. Not one tool was cited consistently in more than one market.
Agencies and consultancies
Clients are asking what AI says about them, and the honest answer is harder to produce than the market admits. EchoWi runs your clients' buying questions repeatedly, per market, and gives you the sources behind each answer rather than a score you would have to explain away.
A best-tools comparison
Who wrote the twenty seven we read
What we measured
All of these are our own runs, with country and language set explicitly, published with the query and the date.
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Markets where a tool was stable
Twelve runs across the US, Spain and France. Not one tool was cited consistently in more than one market.
97.7%
Of a vendor's search volume was other companies
One AI tool showed 27,100 searches a month. Disaggregated it was 627, and three names in a row behaved the same way.
22 of 27
Tool comparisons written by a vendor in the list
At least eleven place themselves first or second. One of twenty-seven came from someone with nothing to sell.
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Spanish categories with no AI answer at all
Thirteen runs, zero AI Overviews, zero errors. There is nothing to optimise for in those categories yet.
58%
Of cited sources appeared in exactly one run
Fifteen agency buying questions, four markets, three surfaces, 38 runs. Only about a third of what was cited held across every run.
EchoWi runs between March and August 2026, each with country and language set explicitly. Every figure links to the study it came from. Read the three-market measurement.
An agency signs up to a number. If the number cannot survive a sceptical client asking how it was produced, the renewal conversation is already lost.
The most useful thing this method produces is not a score, it is a specific gap you can put in an email. In one run, a hotel chain's own official site was the first source Google cited, and the chain is not named anywhere in the answer. When the model has already read the client's page, crawling, rendering and relevance are all ruled out, and what remains is that the page does not answer the question that decides the sale. That is a content brief, and a content brief is billable work.
We asked which marketing agency is best in seven client sectors, in the United States in English, repeating each question rather than asking once. The column that matters is the second: how many of the cited domains came back in every run instead of appearing once.
| Client sector | Domains cited | Held every run | Runs |
|---|---|---|---|
| Law firms | 20 | 13 | 2 |
| White label SEO | 25 | 8 | 2 |
| Ecommerce | 24 | 7 | 3 |
| B2B SaaS | 19 | 7 | 2 |
| Healthcare | 20 | 6 | 2 |
| Hotels | 17 | 6 | 2 |
| Higher education | 23 | 6 | 3 |
Google AI Overview, AI Mode and Gemini, United States in English, measured 9 and 10 August 2026. Run counts differ because a run that fails is not a run that returned nothing, and the denominator is always what answered. Nothing here says these agencies are good; it says which domains the answer was assembled from on those dates.
Something you can put in a client report and defend when they ask where it came from.
Country and language fixed per run, never averaged into a single figure that hides three markets inside a fourth.
Which domains built each answer, so your recommendation names the publications to get into rather than telling a client to "improve authority".
Because one run cannot tell a stable citation from a coincidence, and a client who works that out on their own will not take the next report seriously.
A gap that names a page, a query and a competitor turns into scoped work. A visibility percentage turns into a discussion.
AI coverage is not universal. Measuring five categories in Spain in August 2026, two returned no AI Overview at all across thirteen runs, with no errors, so a client in consumer electronics or eye surgery would have been paying to watch a surface that does not render. Saying that costs us a subscription and saves you a renewal, which is the trade we would rather make with an agency than with a brand.
We work with GEO and SEO agencies. And because we publish what we measure: in six runs asking which GEO tool to use, no funded vendor appeared even once. Reddit and YouTube were cited every time. We printed that too.
The questions that come up on the first call, answered here so you do not have to book one.
Only with its run count next to it, and that is the point of this page. We measured the law-firm agency question twice in the same market: the first reading gave thirteen stable domains out of twenty cited, the second gave seven out of twenty-four. Neither is wrong. A single reading is a draw, and a client who repeats it and gets a different figure will ask you why, so the run count and the date belong in the report.
That being named and being cited are different outcomes and they move independently. We report both separately for exactly that reason. A competitor named in the answer while nobody's site is cited is a different situation, and a different remedy, from a competitor whose own pages are the source.
We work with agencies as agencies, not as a badge on a dashboard. What you get is the measurement, the source list and the method written out plainly enough to hand to a client, including the parts that are uncertain. We would rather you keep a client because the numbers survived scrutiny than lose one because they did not.
Mostly in what it refuses to tell you. Any tool can print a percentage; the questions to ask yours are whether its runs bypass the provider's cache, how many wordings it tracks per intent, and whether it can name the domains a figure is made of. If it cannot answer those, the trend line it draws may be a property of one cached phrase rather than of your client's market.
The ones where an answer layer exists, and that is not all of them. In our August 2026 sweep, questions asking which local business is best returned no AI Overview at all across thirty questions in three markets, while category and destination questions did. Pitching AI visibility to a client whose questions have no answer is the fastest way to lose the account after the first report.
One client sector, its buying questions run repeatedly on the surfaces that answer them, with which brands were named, which domains built the answer, and which of those held across every run. You get the source list, not a score, because the source list is the part a client can act on and the part you can defend.
Tell us how many clients and how many markets. We will run five buying questions for one of them and show you the report you would be sending, sources included.
Measure a client sector (opens in a new tab)No card. If a client's sector has no answer layer yet, we tell you before you pitch it.