Kantar

London, England, United Kingdom · Founded 1992

10001+ employees · N/A

Sourced & current · updated Oct 14, 2026Website

Kantar is an international market research company headquartered in London that employs approximately 20,000 people across more than 90 countries, working across disciplines including brand strategy, advertising effectiveness, social media monitoring, and consumer and shopper behavior.

Where they sit

Stack tier: Ecosystem Services (A)

Attribution & AnalyticsMarketing AnalyticsVerification & Measurement

One of the world's largest market research and data analytics firms; a leading independent provider of brand, media, and marketing effectiveness measurement globally