WARC offers advertising best practice, evidence and insights from the world's leading brands. WARC helps clients in over 100 countries grow their businesses by using proven approaches to maximise advertising effectiveness. WARC's clients include the world's largest advertising and media agencies, brands, research companies and universities. With 11,000+ effectiveness case studies, 2,000+ event reports, plus best practice guides, consumer insights and trend analysis in one place, WARC is designed to support your business proposals and improve marketing effectiveness.