Advertising agencies cater for valuable resources of any enterprise which seeks to increase the customer base. Such agencies are generally backed by firm knowledge about media placement and business strategy. The focus of various agencies may be different. Some may provide for a few large clients and not consent to new accounts. At the same time, some agencies may maintain stability with bigger companies. The bigger companies can also improve the reputation of small businesses. Ideally the advertising agencies should be familiar with the concerns of the small businesses. They must understand the considerations of the small businesses.