When you think about the most successful companies in the world, their logos automatically come to mind.  A logo is an important visual representation of your business.  When designing a logo, keep your target audience in mind.  Are you appealing to students, the elderly?  Also, look at the logos of your competitors and do your best to differentiae yourself from them.  To create a logo, simply experiment with text or use a totally abstract image.  Have your logo printed on your business cards, letterhead, pens, and all your business supplies.  Every successful business needs a recognizable logo.