Business Assistance Center

BAC facilitates the licensing and permitting of businesses in the City of St. Louis and acts as the ombudsman for the City business community.

Opening or Expanding your Business?

SAVE TIME AND ENERGY by contacting the Business Assistance Center (BAC) for the licensing and permitting of your new or expanding business: (314) 622-4120

With one telephone call you can:

  1. Access information needed to open your business in the City of St. Louis.
  2. Receive by mail all appropriate applications for:
    • Occupancy permits
    • Home Occupation Waivers
    • Business Licenses
    • Contractor's Licenses
    • Building Permits

Request Documents to Open Your Business

  • Email us at
  • request documents and forms needed to start your business.  
You will receive and email with the documents needed to get you started.

Forms and Fees

Return forms and fees by mail or in person to the BAC office in Room 421, City Hall, 1200 Market Street and a BAC Specialist will process the applications for you!!!

Obtain a Business License

Review the requirements and fees for over 125 types of business licenses and download this information at the License Collector's Web Site

Obtain a Federal Employer Identification Number

Information on applying for an Employer Identification Number (EIN) is available as part of the IRS Web Site.

Obtain a Missouri Sales Tax Number

Application for your Missouri Sales Tax Number may be made by calling (314) 877-0177 or visiting the Missouri Department of Revenue at 3256 Laclede Station Road Suite 101, St. Louis, MO 63143. Or visit

Obtain a Home Occupation Waiver

If you operate a business in your home, you need a Home Occupation Waiver. The Home Occupation Waiver allows an individual to operate a business out of their home under certain circumstances. For more information, please contact the City of St. Louis Building Division Zoning Section at (314) 622-3666.

Fictitious Name Registration/Articles of Incorporation

You may apply for the Fictitious Name Registration and Articles of Incorporation by contacting the office of the Missouri Secretary of State at (314) 340-7490 or by visiting the local office in the Old Post Office Building, 815 Olive Blvd, Suite 210, St. Louis, MO 63101. The Missouri Secretary of State maintains a Forms Web Page where you can obtain information and registration forms.

Contact Information


Phone: (314) 622-4120

Monday through Friday

1200 Market , Room 421
St. Louis, Missouri 63103

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