JCDecaux is the leading billboard advertising company in Europe in terms of sales. JCDecaux's billboards and large formats generally appear prominently near the principal commuter routes of cities and their suburbs, allowing advertisers to reach a wide audience. JCDecaux's billboard and large format networks are situated in high-visibility locations in such major cities as Paris, London, Brussels, Vienna, Madrid and Lisbon, and offer advertisers extensive territorial coverage in each country.

JCDecaux has almost 228,500 advertising faces in 29 countries in Europe, or in more than 3,000 European towns and cities with more than 10,000 people, in three Asia-Pacific countries (Thailand, Singapore and China), and in central Asia (Kazakhstan and Uzbekistan).

In the Middle East and Africa, q.media Decaux is present in this segment through 16 scaffoldings, 19 rooftops, 5 wall wraps, 4 bridges and 1,000 lampposts, offering prominent locations to their clients in Doha, the capital of Qatar.