New York’s Sullivan & Cromwell is representing the Paris-based global computer consulting services company Cap Gemini S.A. in its proposed $11.1 billion acquisition of the consulting business of accounting giant Ernst & Young. Cap Gemini has also hired the Paris firm Bredin Prat & Associes. Attorneys in several offices of Jones, Day, Reavis & Pogue are representing Ernst & Young.

The Sullivan & Cromwell attorneys are partners Richard A. Pollack, Robert W. Downes, Max J. Schwartz and Diana L. Wollman; and associates Garth W. Bray, Brian W. Tang, John K. Sweet, Armand W. Grumberg, Katherine F. O’Rourke and, in Paris, Marion Leydier. The Bredin Prat attorneys are led by partners Jean-Francois Prat, Richard Schepard and Douglas Keane.