Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the use in the Prospectus constituting a part of this Registration Statement on Form S-1 of our report dated December 22, 2020, relating to the financial statements of OCA Acquisition Corp. which is contained in that Prospectus. We also consent to the references to us under the caption “Experts” in the Prospectus.

/s/ WithumSmith+Brown, PC

New York, New York

December 22, 2020