Programmatic Advertising: Google Curator Arrives in France! 🥳

By Max Legrand · GreyFox Ads · A French perspective on AdTech

After Xandr, Equativ, Magnite, TripleLift, PubMatic, Criteo and Index Exchange, Google is joining the French programmatic curation race. But why would the Mountain View giant want a piece of this market — and can it win over brokers arriving relatively late? 🦊

What exactly has Google launched in France?

Google's curation offer is entering the French market, following its earlier US launch in November 2024. Unlike some competing exchanges, Google initially took a selective approach to the brokers allowed to operate curator seats. The offer appears to draw on Google's existing Authorized Buyers infrastructure (that technical lineage is an interpretation, not a confirmed architectural specification).

What is a Curator? In simple terms, a broker uses an exchange's curation capabilities to assemble and distribute programmatic deals, potentially combining supply selection, audience signals and quality controls. For more background, see what curation and Curators actually mean.

1. Concentrating programmatic ad spend 🎯

Here's the first commercial incentive. When a media trader activates a curated deal built on Google's exchange, the eligible supply flows through Google's infrastructure. That can concentrate spending on Google AdX instead of rival exchanges.

Think of the competitive implications for buying routes such as The Trade Desk's OpenPath. A successful Google Curator ecosystem could reinforce AdX's position in the supply path (although actual routing, eligibility and auction outcomes will vary by deal and DSP).

It's also a reminder that curation is not neutral infrastructure: every Curator operates within a particular commercial and technical ecosystem. That's why Supply Path Optimisation matters.

2. Creating another fee opportunity 💵

Many exchanges charge curator brokers a fee on top of the SSP economics associated with the publisher's inventory. Index Exchange has been cited as a possible exception in the original commentary (commercial terms differ and should be checked directly).

Will Google follow the usual fee model, or use aggressive pricing to attract brokers? That's one of the most interesting unanswered questions. A curator fee may be justified by genuine value, but buyers and publishers should be able to understand who gets paid, for what and how much.

For context, see our analysis of financial transparency in programmatic advertising.

3. Limiting infrastructure costs 🛡️

Traditional programmatic plumbing generates enormous volumes of bid requests. A curator working from the exchange's existing supply stream may avoid some additional duplication that would arise from repeatedly reselling or forwarding requests.

In the model described here, opening a Curator seat does not necessarily create a fresh round of bid repeating. That can be good news for infrastructure efficiency (though the actual effect depends on implementation and should not be assumed for every platform).

Reducing redundant calls is not just a cost story: it may also reduce computing work and the associated environmental footprint.

4. Attracting high-quality new customers 👌

A Curator seat is not a magic demand generator. Brokers need to create attractive Deal IDs and then persuade media traders to activate them. In practice, that means bringing something the exchange does not already offer on its own:

• Incremental value: distinctive audience data, curated inventory or extra brand-safety and quality controls.
• Commercial distribution: relationships with agencies and trading desks, and a sales team able to turn a Deal ID into real budgets.
• Operational expertise: ongoing optimisation, reporting and clear accountability.

That is potentially new demand for Google's exchange — business that might not have arrived through its existing sales channels.

Can Google catch up with established Curators? 🧩

Google arrives after several established curation platforms. But it also has a few cards up its sleeve, especially here in France.

The original argument also points to DV360's leading position in France. Its precise rank depends on the metric and reporting period, so the strategic point is its substantial footprint rather than an unverified market-share claim.

What should brokers, agencies and publishers watch?

• Brokers: compare curator fees, product restrictions, data compatibility and how much differentiation you can actually deliver.
• Media traders: test whether curated deals improve outcomes, not just simplify activation. Watch CPM, reach, attention, quality and supply-path transparency.
• Publishers: examine whether curated demand is genuinely incremental, and what proportion of media spend reaches the publisher.
• SSPs: consider whether Google is competing for more than exchange transactions — namely the relationships with brokers who package and sell demand.

At GreyFox Ads, we favour curation that delivers measurable value: clean supply, useful targeting and transparent economics. Our Master Deal approach is designed around those principles.

The bigger picture for the French Open Web 🦊

Google Curator's arrival is another sign that curation is becoming a central battleground in programmatic advertising. The question is not simply which exchange has the most powerful technology. It's which model gives advertisers a better outcome and publishers a fairer share of value.

Will Google win over brokers with AdX integration, DV360 connectivity and perhaps attractive pricing? Time will tell. For now, the French curation market just got more interesting. 😉

Original LinkedIn post: Read the original commentary.