What is the name of the largest independently-run public relations firm?

The correct answer is Richard Edelman's behemoth, which refers to Edelman, a well-known global public relations firm founded by Daniel Edelman in 1952. This firm is recognized as the largest independently-owned public relations agency in the world, known for its expansive reach and significant impact in the industry. The firm's independence sets it apart from many other large PR agencies that are part of larger communication or advertising conglomerates.

Edelman operates globally, providing a wide range of services including reputation management, crisis communication, and digital strategy, reflecting its status and capabilities as a leader in the public relations field. This independence allows the firm to make decisions and pursue strategies that are not bound by the interests of stockholders or corporate parent companies, often leading to innovative approaches in client communications.

Other firms listed, such as FleishmanHillard, Weber Shandwick, and Ketchum, are indeed substantial players in the public relations arena but are part of larger conglomerates, which diminishes their classification as independent firms in the context of this question. Thus, while they are notable in their contributions to public relations, they do not hold the same status as Edelman in terms of being the largest independently-run entity.