Ferrari handles their own marketing internally. They've developed a unit within the company called the Global Brand Department by use of a comprehensive website and rely heavily on word of mouth.
An ad agency represents a business or brand to produce, plan and purchase advertisements. Any ads created by an agency would be considered an "agency ad".
The Federal Reserve
On Bewitched, Darren Stevens worked for the Tate ad agency.
ferrari car
W and M Talent Agency currently handles bookings and negotiations for Buffy the Body.
2005-2008 internship with an ad agency.
McGarrah Jessee.
i seriously have no clue
wunderman
A company or "Agency" that sells ad space in different places like internet websites, television, or Newspapers. The agency will also plan, purchase and create the artwork needed for the advertisement.
Judging from its latest ads, an agency of idiots.
Publicis Mojo in Sydney