Depending on your business, you may need to file with the Secretary of the Commonwealth. To start any type of corporation in Massachusetts, you must file Articles of Organization with the Secretary of the Commonwealth.In order to form a domestic limited liability company, one or more persons must execute a certificate of organization. This comprehensive guide offers a clear, stepbystep approach to help you register your business in Massachusetts. Entrepreneurs in Massachusetts should have a basic understanding of business structures and other formation needs before beginning their venture. This guide will help you file formation documents, get tax identification numbers, and set up your company records. For most small businesses, registering your business is as simple as registering your business name with state and local governments. Fill out our new business formation questionnaire.