This page includes forms, fees, and instructions for all domestic business entities, foreign and domestic Registered Agents, and Washington Trademarks. This pamphlet explains in a quick, step-by-step format how you apply for a Washington Business License.Free Washington LLC Operating Agreement. List LLC Members, how profits are split, how LLC is taxed. A Washington State Operating Agreement creates the policies and procedures for your LLC. Our free, attorney-drafted templates can get you started. Have the name of the business written at the top. In this case, it says Genesis Law Firm PLLC. An LLC beginning business in Washington State must file formation documents with the Washington Secretary of State. Washington State sole proprietorship registration is not required for a business to legally exist.