First of all read carefully Facebook policies about personal and company pages uses, and after that you could begin with it, but always keep in mind. The main idea about to have an online company profile in networks such as Facebook is just to share; business comes to you by themself just when the common people looks at you, as a company who doesn’t want to sell anything. Remember, people can "smell" your secrets intentions, even if you’re didn’t say anything.

Another tip in the way's to maintain presence online, is keep updated your facebook's page, clean it, update your status, say hello to the others, and of course, leave relevant comments in other user's profile just as another common user or friend --Never try to sell anything or makes business proposal using comments boxes, this is called spam, and of course is really stupid to do this--. These kinds of actions makes to you get a serious online presence and of course lets to the people know about you as a common user in first place and as a company after that.

Finally, if you have a company’s public profile in Facebook, or any other social network, you must to have your own website. Never use your profile at any social network as your website, this is a common mistake in many small companies, and of course sometimes when the people get interest in your products or services try to find more info about you and a social public profile is not the best place to make business.