Exhibit 15.11

INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM’S CONSENT

We consent to the inclusion in this Report on Form 20-F of Plum III Merger Corp. of our report dated May 25, 2026, which includes an explanatory paragraph as to the company’s ability to continue as a going concern, with respect to our audits of the financial statements of Plum III Merger Corp. as of December 31, 2025 and 2024, for the year then ended December 31, 2025 and for the period from August 8, 2024 (inception) to December 31, 2024, which report appears in this Report. We also consent to the reference to our Firm under the heading “Experts” in such Report.

CHARTERED PROFESSIONAL ACCOUNTANTS

Vancouver, Canada

August 12, 2026