How Do I Register My Business? Register Your New Business Online.The City of San Bernardino Business Registration Division now accepts new applications via web registration. This is a step-by-step guide on how to open an LLC in New York, along with state-specific details that will help ensure your filing process goes smoothly. Starting an LLC in New York can feel overwhelming until you watch this video series. If you wish to start a business in an unincorporated area of the county, you must obtain a DBA (Doing Business As license). Visit the NYS Business Wizard to determine the requirements for your business and apply for the right license or permit. You do not need a business license, but you must follow all other rules for your business. Getting an RCFE license and becoming an RCFE administrator are just 2 steps to opening your own RCFE facility. Here's what else to do.