Learn about forming and registering your business online, and how to complete other types of business filings. Register your business (opens in a new tab).A Business Filing Services account is required for all online filing. New entity filing forms are available on the "Initial Forms" tab. Get a free Pennsylvania LLC Operating Agreement (Word, PDF, or Google Doc) to customize for your LLC. List LLC Members, tax info, and more. In this video we'll cover a quick overview of llc's and operating agreements laws specific to the state of pennsylvania. To form an LLC, a Certificate of Organization is required to be filed with the Corporation Bureau of the. 1. Name your Pennsylvania LLC. The first step in establishing your business in Pennsylvania is to name it.