EXHIBIT 21.1
SUBSIDIARIES OF THE REGISTRANT
| Company | State of Organization |
| Enterprise Financial Services Corp | Delaware |
| Enterprise Bank & Trust | Missouri |
| Charford, Inc. | Missouri |
| EFSC Capital Trust II | Delaware |
| EFSC Capital Trust III | Delaware |
| EFSC Capital Trust IV | Delaware |
| EFSC Capital Trust V | Delaware |
| EFSC Capital Trust VI | Delaware |
| EFSC Capital Trust VII | Delaware |
| EFSC Clayco Trust I | Delaware |
| EFSC Clayco Trust II | Delaware |
| Enterprise Real Estate Mortgage Company, LLC | Missouri |
| Enterprise IHC, LLC | Missouri |
| Great American Bank | Kansas |
| Millennium Holding Company, Inc. | Missouri |
| Millennium Brokerage Group, LLC | Tennessee |