Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
The Board of Directors
Meta Materials Inc.
We consent to the incorporation by reference in the registration statement (No. 333-256632) on Form S-3 of Meta Materials Inc. of our report dated August 12, 2021 on the consolidated financial statements of Metamaterial Inc. (the “Entity”) which comprise the consolidated balance sheets as of December 31, 2020 and December 31, 2019, the related consolidated statements of operations and comprehensive loss, changes in stockholders’ equity and cash flows for each of the years in the two-year period ended December 31, 2020, and the related notes (collectively the “consolidated financial statements”), which report appears in this Current Report on Form 8-K/A of Meta Materials Inc.
/s/ KPMG LLP
Chartered Professional Accountants, Licensed Public Accountants
August 17, 2021
Vaughan, Canada