Once you know the name you want is available, you can file the appropriate forms for your business structure with the CA Secretary of State. Corporation. In this video I'm going to go through the exact steps of forming a corporation in California and then making the es Corp election with the IRS.Learn the steps to incorporate your business in California, including filing registration and tax paperwork, drafting corporate documents, and issuing stock. Persons doing business for profit under a fictitious name (does not include surname in company name). To register, the corporation must complete Form DE-1. Once filed, the EDD will issue a California employer account number. 24-hour rush service available.