| Business | Phone |
| B B & T 7425 Saint Andrews Rd, Irmo 29063 | (803) 251-1670 |
| Carolina First Bank 1265 Lake Murray Blvd, Irmo 29063 | (803) 748-7008 |
| Carolina First Bank 7330 Broad River Rd, Irmo 29063 | (803) 749-1070 |
| Federal Reserve Bank 102 Riverwalk Way, Irmo 29063 | (803) 749-1935 |
| First Citizens Bank & Trust Co 1311 Dutch Fork Rd, Irmo 29063 | (803) 781-3414 |
| First Citizens Bank & Trust Co 949 Lake Murray Blvd, Irmo 29063 | (803) 733-2076 |
| First Community Bank 1030 Lake Murray Blvd, Irmo 29063 | (803) 781-3000 |
| First Palmetto Savings Bank 7327 Saint Andrews Rd, Irmo 29063 | (803) 407-0135 |
| National Bank-South Carolina 1363 Lake Murray Blvd, Irmo 29063 | (803) 749-5000 |
| Palmetto Citizens Federal Cu 7801 Saint Andrews Rd, Irmo 29063 | (803) 376-5020 |