In the advertising business, there is an old principle that the company controlling the plumbing tends to set the water rates. Publicis Groupe appears to have taken this lesson to heart.

The French holding company announced last week that it would acquire LiveRamp, the data and identity infrastructure company, for $2.18 billion — a sum that reflects less an interest in LiveRamp's revenue than in its position as a kind of universal adapter connecting the various parts of the modern advertising machine.

The strategic logic, according to people familiar with Publicis's thinking, centers on what the industry has taken to calling "principal" models — arrangements in which agencies move beyond collecting fees for services rendered and instead take positions in the media and data they trade. Publicis has been ahead of its rivals in this area, largely through its 2019 acquisition of Epsilon, the data marketing company. LiveRamp's identity graph and so-called clean rooms would extend that advantage considerably.

"This strengthens our ability to orchestrate first-party data collaboration and activate audiences across channels," said a Publicis executive, employing the sort of language that has become native to holding company earnings calls.

The acquisition also carries a certain competitive elegance. LiveRamp's infrastructure has been used by virtually every major agency network, including those owned by WPP, Omnicom and Interpublic. Publicis will now own the pipes its rivals have been drinking from. (One imagines the water will still flow, though perhaps at different rates.)

Industry observers noted that the deal reflects mounting tension between holding companies and the large platforms over who, precisely, controls the client relationship — and the margin that accompanies it. By internalizing LiveRamp, Publicis reduces its dependence on external terms of engagement, a phrase that sounds diplomatic but translates roughly to "someone else's pricing."

Publicis has raised its growth targets for 2027 and 2028 to between 7 and 8 percent. Whether its competitors will toast that ambition remains, for now, a matter of speculation.

Original story published in Digiday: "Publicis' purchase of LiveRamp centers on data-driven models", by Ronan Shields