Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the reference to our firm under the caption “Experts” in the Registration Statement (Form S-3) and related Prospectus of Bill.com Holdings, Inc. for the registration of Common Stock, Preferred Stock, Debt Securities and Warrants and to the incorporation by reference therein of our reports dated August 30, 2021, with respect to the consolidated financial statements of Bill.com Holdings, Inc., and the effectiveness of internal control over financial reporting of Bill.com Holdings, Inc. included in its Annual Report (Form 10-K) for the year ended June 30, 2021, filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
San Francisco, California
September 20, 2021