A significant number of companies operates in the Greek advertising market. The sector includes Advertising agencies, Media Specialists, Outdoor Advertising operators and Screen Advertising agencies.
Most businesses concerned are exclusively engaged in advertising activities, while some companies are active in other areas, such as sales promotion, public relations etc.
Large foreign multinational advertising networks currently operate in the advertising industry (through subsidiaries or controlled companies).
Especially in the period 2008-2014, the advertising expenditure in Greece fell at an average annual rate of -13.3%. In 2014 the advertising expenditure registered a cumulative fall of 57.4% compared to 2008.
In particular, in 2016 it is estimated that the advertising market increased by 6.3% while in 2017 it remained almost stable. In 2018 it showed an increase of 3.9% and in 2019 the increase was even greater and amounted to 4.5%.