Maryland Business Express' Business Name Search allows you to search existing Maryland businesses, so you should first make sure that your name is not taken. Easy online tools to register and start a business in Maryland, register a trade name in Maryland and establish tax accounts in Maryland.We've got all the information you need on how to conduct a Maryland corporation search, plus LLC naming rules, trade names and registering your business. This article provides a stepbystep guide to starting an LLC in Maryland, including the cost. A Complete resource for Starting a Maryland LLC: Learn how to file Articles of Organization and utilize this unique Business Structure's benefits. Follow this guide to learn everything about starting your LLC in Maryland, from choosing a business name to filing Articles of Organization. For most small businesses, registering your business is as simple as registering your business name with state and local governments. Yes. Maryland allows businesses to reserve a business name for 30 days. A DBA or "doing business as" name is a name that's different from your business's legal name. Maryland is a popular state with a lot of business filings.