Concentration of media ownership (also known as media consolidation or media convergence) is a process whereby progressively fewer individuals or organizations control increasing shares of the mass media. Contemporary research demonstrates increasing levels of consolidation, with many media industries already highly concentrated and dominated by a very small number of firms.
Globally, large media conglomerates include Bertelsmann, National Amusements (Paramount Global), Sony Group Corporation, News Corp, Comcast, The Walt Disney Company, Warner Bros. Discovery, Fox Corporation, Hearst Communications, Amazon (MGM Holdings Inc.), Grupo Globo (South America), and Lagardère Group.
As of 2022, the largest media conglomerates in terms of revenue are Comcast, The Walt Disney Company, Warner Bros. Discovery, and Paramount Global.
Media mergers occur when one media company buys another. The current landscape of corporate media ownership in the United States of America can be described as an oligopoly.
Media integrity is at risk when small number of companies and individuals control the media market. Media integrity refers to the ability of a media outlet to serve the public interest and democratic process, making it resilient to institutional corruption within the media system, economy of influence, conflicting dependence and political clientelism.
Net neutrality is also at stake when media mergers occur. Net neutrality involves a lack of restrictions on content on the internet, however, with big businesses supporting campaigns financially they tend to have influence over political issues, which can translate into their mediums. These big businesses, that also have control over internet usage or the airwaves, could possibly make the content available biased from their political stand point, or they could restrict usage for conflicting political views, therefore eliminating net neutrality.
Concentration of media ownership is very frequently seen as a problem of contemporary media and society.