There comes a point in the life cycle of many businesses when advertising needs outgrow the homespun and it's time to call upon the services of a professional agency or consultant. Even small businesses can benefit from the third-party perspective and marketing savvy that experts can offer. There's a misconception that agencies are too expensive for small companies. That's not necessarily true. What you want, though, is to find an agency or consultant that focuses specifically on your needs and that has the expertise and insights to generate real results.