Online Services - Missouri Secretary of State
Corporations Online Portal
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Welcome to the Missouri Online Business Filing System
A new ID and password must be created before filing documents online. Customers should click "Create Account" below to set up a personal ID and password. New accounts allow individuals to file documents online and maintain a filing history. These accounts are NOT connected to an existing business or organization's filings, and are NOT required to conduct a search or verify certificates. 
My Account
Enter user ID and password. Do not have an account? Click "Create Account" below to create one.
Business Search
Search for a business entity registered in Missouri.
Verify Certificates
Verify validity of a certificate issued by the MO SOS.