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Business Services
Access your business documents 24/7.
- Register a new business or maintain your existing business registration by signing into the online filing portal at https://biz.sosmt.govĀ
- Login with your username and password, or click the login button to create your user profile and sign in.
- Registering a new business? Start a new business application on the Forms page.
- Already registered? Search for your business record, then click on its name. Go to the Filing Actions button to find the form you need.
Contact:
Business Entity & UCC: (406) 444-3665
Fax: (406) 444-3976
Email: sosbusiness@mt.gov
Physical Address:
State Capitol, Room 260
1301 6th Avenue
Helena, MT 59620
Mailing Address:
P.O. Box 202801
Helena, MT 59620-2801