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Business Diversity Development (BDD) certifies minority and women- owned business for the Federal DBE program and/or the City of St. Louis Local MWBE Program.

Certification Program Overview

Certification Process

The new Online Portal allows you to apply online and then manage your firm through the portal. To begin either login below, or if you have not registered, click on the “Register and Apply Online” to get started. 

NOTE:  For firms seeking interstate certification with the DBE program, you do not need to use the Online Portal. Please see our Interstate Certification Instructions and Affidavit.

Please note: The Online Portal website is designed and recommended for use with the Firefox browser. You can also use Internet Explorer version 10 or earlier.

Certification Portal        User Manual

Click Here 
Register and Apply Online
Click Here


Application “tripwires” can delay the processing of an application for DBE certification or even lead certifiers to deny an application. To assist DBE certification applicants avoid these errors, DOT developed a tip sheet. It is a great tool to assist you in the DBE certification process. The sooner you get certified, the sooner you can start competing for more contracts. To view the tip sheet, click here.

To apply online:
  • Click on the Register and Apply Online button above and create a login for your company
  • You can then choose to apply for one of the following:
    • The DBE/ACDBE Federal Program
    • The MBE and/or WBE City of Saint Louis local program
    • Or both the federal and one/both of the City of Saint Louis local programs
  • You will then be prompted to answer a series of basic questions about your firm.
  • Once you’ve answered all the questions, you will then be directed to a page to download the appropriate fillable PDF application to complete along with the affidavit that requires your signature and notarization
  • Also included in the fillable PDF application is the “Supporting Documents Checklist” to use for gathering the documents that supports your application.
  • The final step will be to upload the Completed PDF along with all the supporting documentation needed for processing your application.
  • Once you submit your application, a member of the Program office will contact you.
  • Please note that the process cannot begin until all the notarized and required documentation is submitted.

The BDD office is available to assist you and can be contacted by calling them directly in (314) 426-8111.

BDD Home


M/WBE and DBE Directories

These directories contain the most current information on certified M/WBE and DBE firms.  Use the database query form to find certified firms to meet goals in contracting opportunities.

M/WBE Directory

DBE State Directory


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