Ketchum is a global public relations firm, offering marketing, branding, and corporate communications services in the technology, healthcare, consumer, and corporate sectors. The company was founded in 1923 by George Ketchum and has since grown to have over 100 offices in more than 70 countries. Ketchum is known for its work with major brands such as Procter & Gamble, IBM, and Pfizer. The company has won numerous awards for its work, including PRWeek's Global Agency of the Year award in 2019. Ketchum is a subsidiary of the Omnicom Group, a global advertising and marketing communications company.