The definition of advertising agencies has changed over the years - gaining a broader meaning than what it once held. Today, advetising agencies can range from full-service agencies that specialize in handling all aspects of an advertising campaign for makor marketers, to small, boutique advertising agencies that specialize in a particular advertising area, such as online or direct mail.

Choosing an advertising agency for your company to work with is a critical decision. Advertising agencies vary greatly, not only in the type of work they perform, but also the quality of their works, the results they are able to deliver, any industries or geographic regions they may specialize in, and their ability to work closely with their clients.

Finding the right advertising agency can be a challenging process, but one that has definitely been made easier thanks to the Internet. Most major advertising agencies now have a major presence online, making it not only easier to find and contact them, but also to see samples of the quality of work they have performed in the past, case studies of how their advertising campaigns performed, and even the ability to submit an RFP.