Bill.com (BILL) 8-K/A Consolidated Financial Statements as of and for the years ended Divvypay, Inc. and Subsidiaries

Exhibit 23.1

CONSENT OF INDEPENDENT AUDITORS

We consent to the incorporation by reference in Registration Statement No. 333-256709 on Form S-3 and Registration Statement Nos. 333-249935 and 333-235459 on Form S-8 of Bill.com Holdings, Inc. of our report dated May 11, 2021, relating to the financial statements of DivvyPay, Inc. appearing in this Current Report on Form 8-K dated August 16, 2021.

/s/ DELOITTE & TOUCHE LLP

Salt Lake City, Utah

August 16, 2021