Exhibit 23.1
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the Registration Statements on Form S-8 (File Nos. 333-22223, 333-128611 and 333-143517) of our report dated March 15, 2011, relating to our audit of the consolidated financial statements, included in this Annual Report on Form 10-K/A of Spire Corporation for the year ended December 31, 2010.
/s/ McGladrey & Pullen, LLP
Boston, Massachusetts
January 3, 2012