It’s an excellent question, and one that I get asked all the time.
Of course, the answer is, “it depends.” (How did you know I was going to say that?) But, what does it depend on?
Rather than pontificate on the pros and cons of logo design, I’ll let John McWade, the genius behind Before & After, explain whether or not you need a logo, since his post sums it up brilliantly. A snippet, though:
[Stylized text] — a consistently applied way of writing your name — conveys an understated sense of organization and professionalism, a good thing no matter what the enterprise, and always appropriate.
Be sure to read the article for the full story; it’ll take about a minute and a half, and is well worth the click.