File formation documents, maintain governance records, and keep registrations current.
File with the Secretary of State (commonly Delaware for startups).
Adopt initial bylaws setting out governance rules (board size, meetings, etc.).
Apply for Employer Identification Number from the IRS.
Sole incorporator appoints the initial Board of Directors.
Board appoints CEO, Secretary, Treasurer/CFO, etc.
Board approves stock issuance; founders sign purchase agreements (pay par value).
Founders must file 83(b) with IRS within 30 days of stock purchase if vesting applies.
Register to do business in the state where HQ is located (if different from inc. state).
Keep a registered agent in state of incorporation and foreign qualification states.
Pay Delaware (or other state) franchise tax annually.
File annual reports with Secretary of State in incorporation/qualification states.