WARC provides marketers with evidence-based insights, case studies, and data to make smarter advertising decisions and demonstrate marketing effectiveness through access to the world's largest collection of proven marketing strategies.
Last updated Feb 20, 2026 by AI Enrichment
Leading global provider of advertising best practices and marketing effectiveness intelligence
WARC (World Advertising Research Center) is a subscription-based marketing intelligence service that provides evidence, insights, and guidance to help marketers navigate the evolving advertising landscape. Founded in 1985, WARC offers a comprehensive database of advertising case studies, research papers, best practices, and trend analysis from around the world. The platform serves as a critical resource for marketing professionals seeking to understand what works in advertising and why. WARC's content includes award-winning case studies from major advertising effectiveness competitions like the IPA Effectiveness Awards, Cannes Lions, and Effies, along with proprietary research and expert commentary. The company also produces rankings such as the WARC Media 100 and WARC Creative 100, which benchmark the world's best media agencies and creative campaigns. WARC is part of Ascential plc's Marketing division (now Informa following acquisition) and serves agencies, brands, media owners, and tech platforms globally. As a knowledge platform rather than a traditional AdTech vendor, WARC occupies a unique position in the marketing ecosystem by providing strategic intelligence and evidence-based insights that inform advertising strategy, creative development, media planning, and marketing effectiveness measurement across all channels and markets.
Core subscription platform providing access to case studies, research, and best practices
Annual rankings including Media 100, Creative 100, and Effective 100
Advertising spend forecasts and market data
Database of award-winning campaigns from major effectiveness competitions