Our Contact Center hours are 8 a.m. -  4 p.m., Monday through Thursday, closed on Friday. Email anytime at CorporationDivision.SOS@sos.​ ​​​or visit our office for same day service, Monday through Friday, 8 a.m. - 5 p.m.  Visit our delivery options page for more information on the fastest ways to have your documents processed.​
For filings or requests sent to us via mail or fax, please allow 5-7 business days for your filing to appear in our business registry search​ before contacting us.
The Secretary of State’s Office urges the business community to be cautious of misleading mailers sent by a private entity. The companies offer to provide posters or manuals that are free from BOLI or OSHA or to prepare 2023 annual reports for a fee when you can pay on our website without using a third-party. The mailers may appear to be official government correspondence, but the fine print makes it clear it is not. ​Click here to read more​. ​

​Register, Renew, Reinstate

Register a new business, renew an existing business by filing an annual report, or reinstate a business that was administratively dissolved.

Corporation Division Services

​​Find a business name, look up a uniform commercial code or find a business form. Get notary training online morning, noon or night. Certify a public document with an authentication or apostille. Need help cutting red tape for your small business or nonprofit? Get help from an ombudsman.



Enter a Business Name or Business Registry Number to search.

Advanced Business Name Search

Business Name Search Module

Start a Busines​s Video Series

Woman looking at laptop screen  
Step-by-step guide for starting a business

Watch videos >​ ​​​

Resources for Small Business

Small Business office logo  
Get help running your​ business

Watch videos >​ ​​​