Selling is the passion of POOL. Die Agentur. and its founder and owner Hubertus von Tiele-Winckler. Through the creation of innovative sales promotion and marketing campaigns, the agency helps its clients maximize sales of products and services. Founded as part of the Cologne Agency Group in 2005, it went its own way in 2010 and is now part of the Blue Agency Network, which was also initiated by von Tiele-Winckler and comprises eleven agencies in total. What sets it apart in a competitive market is a real enthusiasm for the art of the sale.