This page includes forms, fees, and instructions for all domestic business entities, foreign and domestic Registered Agents, and Washington Trademarks. Eight easy steps to successfully launching your new corporation today.In the area beneath the "Name Of Corporation" box, enter the number of shares the corporation is authorized to issue. There are two ways to form a corporation you can form one yourself or you can hire a service to do it for you. Your corporation's name, objectives and first registration agent are required details. The Secretary of State's website has a simple, fill-in-the-blank form for the articles of incorporation. To incorporate in Washington, you must file the Washington Initial Report within 120 days of your incorporation date.