Form: 20-F

Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

December 5, 2024

Exhibit 15.1

Consent of Independent Registered Public Accounting Firm

We hereby consent to the incorporation by reference in the following Arqit Quantum Inc. registration statements:

(1)registration statement on Form S-8 (File No. 333-262215);
(2)registration statement on Form S-8 (File No. 333-275960);
(3)registration statement on Form F-3 (File No. 333-268786); and
(4)registration statement on Form F-3 (File No. 333-259982)

of our report dated December 5, 2024 relating to the financial statements which appears in the Arqit Quantum Inc. Annual Report on Form 20-F for the year ended September 30, 2024. We also consent to the reference to us under the heading “Experts” in such Registration Statements.  

/s/ PKF Littlejohn LLP

__________________

PKF Littlejohn LLP

London, United Kingdom November

December 5, 2024

 

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