Exhibit 23

CONSENT OF INDEPENDENT ACCOUNTANTS

We hereby consent to the incorporation by reference in the Registration Statements on Forms S-8 (Nos. 33-48782 and 33-51239), Form S-3 (No. 333-79329) and Form S-4 (No. 333-37660) of Kelly Services, Inc. of our report dated January 20, 2004 relating to the financial statements and financial statement schedule, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP

Detroit, Michigan

February 18, 2004