Missouri Secretary of State office — contact, fees, and licensing

The Missouri Secretary of State's Corporations Unit registers all business entities, processes annual registration reports, and maintains public records. The main office is in Jefferson City, with branch offices in St. Louis, Kansas City, and Springfield. Documents submitted in person at the Jefferson City office can often be processed while you wait. Online filings save significantly compared to paper submissions — LLC formation costs $50 online versus $105 by paper.

Office contact

Main address (Jefferson City)	600 W. Main St., Room 322, James C. Kirkpatrick State Information Center, Jefferson City, MO 65101
Mailing address	Corporations Unit, P.O. Box 778, Jefferson City, MO 65102
Phone	(573) 751-4153
Toll-free	1-866-223-6535, Option 2
Email	corporations@sos.mo.gov
Office hours	Monday – Friday, 9:00 a.m. to 4:00 p.m. Central Time
St. Louis branch	815 Olive Street, Suite 150 — (314) 340-7490
Kansas City branch	615 E. 13th Street, Suite 513 — (816) 889-2925
Springfield branch	149 Park Central Square, Suite 624 — (417) 895-6330
Online filing portal	bsd.sos.mo.gov

Entity formation and filing fees

Fees below are from the Missouri Secretary of State's fee schedule (PDF internally dated January 2025). Online filings are substantially cheaper than paper for LLCs. For-profit corporation fees scale with authorized capital — the minimum applies to entities with $30,000 or less of authorized capital. Verify current amounts at sos.mo.gov before filing.

Filing	Online fee	Paper fee
Domestic LLC — Articles of Organization	$50	$105
LLC — Annual Registration Report	$20	$45
Domestic Profit Corporation — Articles of Incorporation (≤$30,000 authorized capital)	$58
Profit Corporation — Annual Registration Report	$20	$45
Nonprofit Corporation — Articles of Incorporation	$25
Nonprofit Corporation — Annual Registration Report	$10	$15
Fictitious Name — Registration	$7
Name Reservation (most entities)	$25
Certificate of Good Standing	$10

For-profit corporation formation fees increase by $5 for each additional $10,000 of authorized capital above $30,000. Active duty military members (including National Guard) are exempt from all filing fees under Missouri's "Startup for Soldiers" program.

Key Missouri state licensing agencies

Agency	What it covers	Website
Missouri Department of Revenue	State tax registration, sales and use tax, withholding tax, Missouri Tax ID	dor.mo.gov
Missouri Division of Employment Security (DES)	Unemployment insurance registration, employer tax accounts, wage reporting	labor.mo.gov/des
Missouri Division of Professional Registration	Occupational and professional licenses — contractors, healthcare, real estate, cosmetology	pr.mo.gov

This guide is informational only and is not affiliated with the Missouri Secretary of State's office or any state agency listed above. Contact information and fees verified against official Missouri Secretary of State sources, May 2026.