Saatchi and Saatchi is a British multinational communications and advertising agency network with 114 offices in 76 countries and over 6,500 staff. It was founded in 1970 and is currently headquartered in London. The parent company of the agency group was known as Saatchi and Saatchi PLC from 1976 to 1994, was listed on the New York Stock Exchange until 2000 and, for a time, was a constituent of the FTSE 100 Index. In 2000, the group was acquired by the Publicis Groupe. In 2005 it went private.

Maurice Nathan Saatchi, Baron Saatchi is a British businessman, and with his brother, Charles, co-founder of the advertising agencies Saatchi & Saatchi and M&C Saatchi.