EX-23.1 6 abm10312023ex231.htm EX-23.1

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

The Board of Directors

ABM Industries Incorporated:

We consent to the incorporation by reference in the registration statements (No. 333-78423, 333-78421, 333-48857, 333-85390, 333-116487, 333-137241, 333-159770, 333-167464, 333-179991, 333-202521, 333-211991, 333-224183, 333-254769) of Form S-8 and (No. 333-223233) on Form S-3 of our reports dated December 18, 2023, with respect to the consolidated financial statements and financial statement schedule II of ABM Industries Incorporated and the effectiveness of internal control over financial reporting.

/s/ KPMG LLP

New York, New York

December 18, 2023