Corporations
Important Update:
Beginning March 3rd, 2025.
All branch locations and phone hours for Business Services will be 8 am to 4:30 pm.
The Corporations Unit of the Secretary of State is responsible for the creation and maintenance filings for all domestic and out-of-state business entities doing business in Missouri.
These business entities include for-profit and nonprofit corporations, specialized business entities such as professional corporations, close corporations, agricultural cooperatives and mutual associations, and limited liability companies, limited partnerships and others.