OLLC (Limited Liability Corporation). You car certainly be a sole proprietor - alone in enterprise - and feature an LLC. The difference here that the liability (if you get sued) is significantly reduced over that to a sole proprietorship. You have got to have a specific business determine. Your income flows through your regular tax revenue. You may very well qualify to secure a refund, really. Depending on the type of business you have, this may be a good feature. Moving on, I thought ...