Marketing
The Top Marketing Agencies AI Recommends in 2026: Which Firms ChatGPT, Claude, Gemini, and Perplexity Name First
When buyers ask ChatGPT, Claude, Gemini, or Perplexity for the best marketing agency, a small set of firms get named again and again. The 2026 EPR Citation Share Index tracked 200 agencies. The top 10 captured 64% of all citations.