Exhibit 23.4

                       CONSENT OF INDEPENDENT ACCOUNTANTS


We hereby consent to the use in this Registration Statement on Form S-4 of AON
Corporation of our report dated May 12, 2000 relating to the financial
statements of ASI Solutions Incorporated, which appears in such Registration
Statement. We also consent to the references to us under the heading "Experts"
in such Registration Statement.

/s/ PricewaterhouseCoopers LLP

PricewaterhouseCoopers LLP
New York, New York
March 26, 2001