We’re Havas UK’s flagship creative agency. We create advertising campaigns that truly make a meaningful difference to the businesses, the brands and the lives of the people we work with.  We have emerged as one of London’s fastest growing agencies – winning more accounts than any other major agency in the country.But this growth hasn’t come at the expense of our clients’ happiness. In fact, client satisfaction is up for the second successive year. We now rank in the top 15% of UK agencies for satisfaction across all our.