<PAGE>
EXHIBIT 23.9
MERRILL LYNCH INTERNATIONAL
ROPEMAKER PLACE
25 ROPEMAKER STREET
LONDON EC2Y 9LY ENGLAND
We hereby consent to the inclusion in the Registration Statement of WPP
Group plc ("WPP") on Form F-4 and in the Proxy Statement/Prospectus of WPP and
Young & Rubicam Inc., which is part of the Registration Statement, of our
opinion dated May 11, 2000 appearing as Appendix E to such Proxy
Statement/Prospectus, and to the references thereto and to our name in such
Proxy Statement/ Prospectus under the captions "Summary--Opinions of WPP's
Financial Advisors," "The Merger--Background of the Merger" and "The
Merger--Opinions of WPP's Financial Advisors--Opinion of Merrill Lynch
International." In giving the foregoing consent, we do not admit that we come
within the category of persons whose consent is required under the Securities
Act of 1933, as amended (the "Securities Act"), or the rules and regulations
promulgated thereunder, nor do we admit that we are experts with respect to any
part of such Registration Statement within the meaning of the term "experts" as
used in the Securities Act or the rules and regulations promulgated thereunder.
<TABLE>
<S> <C> <C>
MERRILL LYNCH INTERNATIONAL
By: /s/ PHILIP YATES
-----------------------------------------
Name: Philip Yates
Title: Managing Director
</TABLE>
London, England
June 29, 2000