Retail Media Attribution Challenges & Agency Partnership Reshuffles
AIJun 4 — Jun 5, 2026
Forrester highlights growing advertiser skepticism around retail media's closed-loop attribution capabilities, while the agency landscape sees notable partnership shifts including Nike's move to Wieden+Kennedy and M&C Saatchi's social-focused spinoff.
Category Spotlights
Measurement & Attribution
1 changesRetailers' proprietary measurement systems are facing pushback from advertisers demanding transparent, third-party validated attribution—a critical pain point as retail media budgets scale.
Mentioned:ForresterRetail Media Networks
Sources:
- Retail Media's Measurement Problem: Why Advertisers Are Pushing Back on Closed-Loop Attribution
Agency & Partnership Activity
4 changesMajor creative and media partnerships reshuffled today, signaling ongoing consolidation and specialization trends in the agency ecosystem.
Mentioned:NikeWieden+KennedyM&C SaatchiVCCPJust Eat