Who Should NOT Form an LLC? * Companies planning to operate their business in a state that does not currently recognize LLCs should seriously consider the consequences of losing their limitation on liability in that state, before forming an LLC. * Entrepreneurs who do not want to bear the responsibility, cost and possible future constraints of a customized company structure should consider sticking to the time-tested more rigid structure that a general stock corporation offers. * Sole owner companies cannot be LLCs. An LLC must have two members, by definition, or it automatically dissolves. (Of course, the second owner could be a children's trust or a family limited partnership holding 1%.)