Media

Advertising sales house: definition, role and business model

PubliCité France · 2026-08-02 · Markdown version (AI agents)

Advertising sales house: definition, role and business model

In short: an advertising sales house (“régie”) sells the advertising space of one or more media. It is the seller of space, on the media side — as opposed to the media agency, which buys on behalf of the advertiser.

The role of a sales house

The sales house manages the sale of a medium’s advertising inventory: television, radio, press, website, outdoor network. It defines offers, sets rates, negotiates with agencies and advertisers, and optimises inventory fill. Some sales houses are in-house (tied to the medium); others are external (mandated by several media).

Sales house vs media agency

These are two opposite sides of the same transaction — which is why transparency matters (see the Sapin law).

The business model

The sales house is generally paid on space sales (commission or margin). Its performance depends on fill rate and inventory value. In digital, it coexists with programmatic channels, which automate part of the sale.

FAQ

Difference between a sales house and an advertising agency? The sales house sells space for a medium; the advertising agency designs campaigns for an advertiser. These are distinct jobs.

Can a sales house represent several media? Yes: external sales houses market the inventory of several media, pooling the sales force.

Does programmatic replace sales houses? No: it automates part of the sale, but sales houses keep a role in direct deals, special operations and premium valuation.


PubliCité France — blog, Media. French version: /blog/regie-publicitaire/