Exhibit 23.3

Kost Forer Gabbay & Kasierer 144 Menachem Begin Road, Building A, Tel-Aviv 6492102, Israel

Tel: +972-3-6232525 Fax: +972-3-5622555 ey.com

Consent of Independent Auditors

We consent to the reference to our firm under the caption “Experts” in the Post-Effective Amendment No. 1 to Registration Statement (Form S-3 No. 333-295100) and related Prospectus of Nexentis Technologies Inc. for the registration of its common stock, preferred stock, subscription rights, debt securities, warrants and units and to the incorporation by reference therein of our report dated May 12, 2025, with respect to the financial statements of MitoCareX Bio Ltd. included in Nexentis Technologies Inc. current Report on Form 8-K/A dated November 12, 2025, filed with the Securities and Exchange Commission.