EX-23.1 2 a2160039zex-23_1.htm EXHIBIT 23.1
QuickLinks -- Click here to rapidly navigate through this document

EXHIBIT 23.1


Consent of Independent Registered Public Accounting Firm

        We consent to the incorporation by reference in the Registration Statement No. 333-33999 of Tyco International Ltd. on Form S-8 of our report dated June 23, 2005, relating to the financial statements of the Tyco International (US) Inc. Retirement Savings and Investment Plan I as of and for the years ended December 31, 2004 and 2003, which appears in this Form 11-K.

 
   
    /s/ Mitchell & Titus, LLP
New York, New York
June 27, 2005



QuickLinks

Consent of Independent Registered Public Accounting Firm