Ivy Liu

This Media Buying Briefing covers the latest in agency news and media buying for Digiday+ members and is distributed over email every Monday at 10 a.m. ET. More from the series →

As the media industry absorbs the massive amount of accounts changing hands in the first half of 2026 — and braces for what could be an equally active second half, with Coca Cola in play — it’s a busy time for the world of consultancies that help guide marketers to which agencies they should use.

Companies like Abintus, ID Comms, Mediasense, Flock Associates, Mercer Island Group and Ebiquity are often hired by clients to orchestrate the drawn-out review processes through which media and creative agency partners are chosen. Agencies would be wise to know the main players, if they hope to get a seat at the pitch table.

London-based Mediasense, one of the bigger consultancies that helps navigate the murky and shark-filled waters, is working through its own shifting currents under a new CEO and the continued absorption of acquisitions over the last few years.