qed was established in 1998 by Niko Athanassiadi and Christina Carabela. Today, qed is one of 5 largest market research agencies in Greece and its services cover both Greece and the greater area of South-Eastern Europe.

The mission of qed in every project is to create a conversational space between consumers and the brand so that the marketing department can accumulate information and ideas that disclose business opportunities and reduce the risk of decision making.