You might say this company is united behind the idea of making great ads. Berlin Cameron is a leading creative advertising agency in the US, offering ad development services for television, print, and interactive media, as well as services for campaign planning and management. The firm has worked for such clients as Nextel, Pfizer, and The Wall Street Journal . Founded in 1997, Berlin Cameron is the flagship agency of The United Network, one of the advertising networks of UK-based marketing services conglomerate WPP Group. Other units and agencies within the micro-network include Cole & Weber (based in Seattle), BTS (Oslo, Norway), and 1861 (Milan, Italy).