Street Advertising Services Ltd. (SAS) have been providing prime exposure on a street level to the music, leisure, entertainment and arts sectors in Dundee since 1996. The company started the business in Dundee following discussions between John Macdonald, the founder of SAS, and Dundee City Council in an effort to provide a cost-effective alternative of advertising to those who were using fly-posting to promote their events, and negatively impacting upon the appearance of the city center.