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Form S-4/A cleantech Acquisition

July 5, 2022 5:19 PM EDT

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 Amendment No. 5 to Form S-4 of our report dated March 29, 2022, relating to the consolidated financial statements CleanTech Acquisition Corp., which is contained in that Prospectus. We also consent the reference to our Firm under the caption “Experts” in the Prospectus.

 

/s/ WithumSmith+Brown, PC

 

New York, New York

July 5, 2022

 

Exhibit 23.2

 

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

 

We consent to the inclusion in this Registration Statement on Amendment No. 5 to Form S-4 and related proxy statement/prospectus of CleanTech Acquisition Corp. of our report dated March 24, 2022, except for Note 13, as to which the date is April 27, 2022, with respect to the financial statements of Nauticus Robotics, Inc. which appears in this Registration Statement. We also consent to the reference to our firm under the heading “Experts” in the proxy statement/prospectus which is part of this Registration Statement.

 

/s/ Whitley Penn LLP

 

Houston, Texas

July 5, 2022



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