EX-23 4 ex23-1.txt EXHIBIT 23.1 Exhibit 23.1 Consent Of Independent Auditors We consent to the incorporation by reference in this Registration Statement on Form S-8 pertaining to the NCO Portfolio Management, Inc. 2000 Stock Option Plan of our report dated February 6, 2004, with respect to the consolidated financial statements and schedule of NCO Group, Inc. included in its Annual Report (Form 10-K) for the year ended December 31, 2003 filed with the Securities and Exchange Commission. /s/ Ernst & Young LLP Philadelphia, Pennsylvania April 20, 2004