Follow the instructions for filing on the Maryland Business Express portal. This guide will help you file formation documents, get tax identification numbers, and set up your company records.A private corporate form alone does not insure that the entity functions as a private corporation. When a private corporation is organized under government control and operated to carry on public business, it is acting, at least, in a quasi-governmental way. Maryland corporation formation requirements from BizFilings. Our Maryland guide provides MD incorporation requirements for your business. After completing the Maryland return, assemble your return in the following order: Form 500, any required Maryland forms and their related attachments, any. Hold the first official meeting for the corporation or LLC and adopt the Bylaws (corporations) or Operating Agreement (LLCs). This article focuses on how to form a stock corporation in Maryland. A corporation is a business entity having legal authority to act as a single person.