Enterprises classified into advertising generated over 90% of their turnover by selling specialised services (as in 2015); 87% of their turnover was generated by selling advertising space or time on a fee or contract basis and 13% by selling services provided by advertising agencies.
Tudi podjetja, uvrščena v dejavnost oglaševanje, so v 2016 ustvarila s prodajo specializiranih storitev skoraj veliko večino svojega prihodka, nad 90 % (enako kot v 2015); 87 % tega prihodka so ustvarila s posredovanjem pri prodaji oglaševalskega prostora ali časa za plačilo ali po pogodbi, 13 % pa s storitvami oglaševalskih agencij.