On a channel this young, few players can claim genuinely built expertise. Six concrete criteria to tell a solid GEA agency from a sales pitch.
The term GEA agency is only just appearing in the searches of executives and marketing leads. That makes sense: advertising on generative AI is such a recent channel that few players can genuinely claim built expertise. Which makes choosing the right partner both more important and harder than on a mature channel like Google Ads, where fifteen years of hindsight make providers easy to compare.
Here are the concrete criteria to check before signing with a GEA agency.
Check that the agency knows the difference between GEO and GEA
This is the first red flag: an agency that conflates optimisation (GEO) with advertising (GEA) on generative engines probably has no fine-grained practice of the subject yet. They are two complementary but distinct disciplines. A serious agency must be able to explain clearly where one ends and the other begins.
Ask how the agency measures performance
On a channel where the click is no longer the only indicator, the way an agency thinks about measurement says a great deal about its real maturity. Be wary of pitches that stop at promises of visibility without ever touching on a concrete tracking method, however approximate on a channel this young.
Look for a dual SEO/SEA competence
GEA borrows mechanics from both historic disciplines: the content-structuring logic of SEO, and the delivery and bidding logic of SEA. An agency that masters only one of the two will have a partial view of the subject.
Ask precise questions before signing
A few questions quickly separate the serious counterparts from the announcement effects:
- Which platforms have you actually worked on?
- How do you structure a preliminary brand presence audit?
- Which indicators do you track to evaluate a GEA campaign?
- How do you stay current on a channel that changes every month?
Check where they sit on price
On an emerging channel, be wary both of abnormally low rates (often the sign of a superficial engagement) and of long, expensive commitments sold on the promise of a channel that remains uncertain. A reasonable engagement generally starts with a test phase, on a controlled budget.
Favour an agency that is transparent about the channel’s uncertainty
A serious partner will never sell you GEA as an exact science in 2026. The channel is still being built, ad formats are moving, and a share of ongoing monitoring and adjustment is part of the engagement itself. An agency that acknowledges that reality, rather than selling you certainties that do not exist yet, is generally more reliable over the long run.