Keter1 Acquisition (KETA) S-1IPO registration

Exhibit 23.1

Independent Registered Public Accounting Firm’s Consent

We consent to the inclusion in this Registration Statement of Keter1 Acquisition Corp. on Form S-1 of our report dated February 16, 2021 except for the second paragraphs of Note 3, Note 4, and Note 8 as to which the date is March 17, 2021, which includes an explanatory paragraph as to the Company’s ability to continue as a going concern, with respect to our audit of the financial statements of Keter1 Acquisition Corp. as of February 2, 2021 and for the period from January 21, 2021 (inception) through February 2, 2021, which report appears in the Prospectus, which is part of this Registration Statement. We also consent to the reference to our Firm under the heading “Experts” in such Prospectus.

/s/ Marcum llp

Marcum llp

New York, NY

March 17, 2021