REmade special: The week in retail media

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Jul 10, 2025

Welcome to an end of week update from Mumbrella in which we catch up on the latest developments in the retail media space..

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The week in retail media

REmade curator Cat McGinn writes:

Retail media is a cage fight: rising costs, fragmented platforms, and mega sales like Prime Day are forcing brands to hustle harder, buy smarter, and rethink how they stay seen.

John Lewis Partnership expands off site

UK department retailer John Lewis signed up with tech provider Epsilon to allow brands to run retail media campaigns beyond its owned on-site media, marking a significant move into off-site retail media. The move opened a new channel for brands allowing them to extend campaigns into the likes of connected TV and streaming using their own first party data.

Primed for bargains

Amazon’s annual Prime Day event, which runs for four days in the US and for six days in Australia, saw a 10% year-on-year growth in sales on the first day of the event, with total sales projected to reach $23.8bn.

Retail rivals in the US including Walmart, Target, Best Buy, and Dollar General ran their own online sales to counter Prime day, which has been running for the last decade.

Easier retail media buy

Adtech companies Pentaleap and Skai said they have connected their retail and ad inventory platforms to let advertisers buy across retail media networks. For marketers, it meant a step toward faster, easier retail media buying in an increasingly fragmented market.

Pang to keynote at REmade

Willie Pang, GM of Amazon Ads in ANZ, was revealed as keynote for September’s REmade conference. Also added to the lineup were Epsilon’s Adam Skinner and Zitcha’s Alberto Vergara.

THG Beauty taps Zitcha to streamline retail media for 10m+ shoppers

THG Ingenuity said it had partnered with Zitcha to support retail media campaigns across THG Beauty’s brands, giving marketers access to digital and physical media inventory, customer data, and campaign tools to reach over 10 million beauty and wellness shoppers through a single platform.