Residents can use this helpful step-by-step instruction guide to get their small business started in Fort Worth. The limited liability company cannot act as its own registered agent; do not enter the limited liability company name as the name of the registered agent.Want to start a business but now sure what the first step is? Read our Starting a Business FAQs then get in touch with an SBDC Business Advisor today! Establish a business anywhere in the Dallas Fort Worth area with our helpful free guide. All the tools, forms, and links you need are here in one spot. This research guide includes information and resources on Limited Liability Companies, or LLCs. A limited-liability company, also called a limited liability. This video will help walk you through the process of filing your business assumed name in Tarrant County, Texas. You cannot use this online application if you are a sole owner, partner, officer or director and do not have a social security number.