Charter Communications

Second-largest U.S. cable operator and one of the largest local/regional TV and digital advertising platforms, with significant addressable TV and CTV capabilities via Spectrum Reach and Ampersand

Charter Communications is the second-largest cable operator in the United States, delivering video, internet, voice, and mobile services under the Spectrum brand to approximately 32 million customers across 41 states. Its advertising sales subsidiary, Spectrum Reach, serves as a major force in local, regional, and national TV and digital advertising, offering advertisers access to a massive, addressable household footprint. Charter is also a co-owner of Ampersand, a multichannel video advertising joint venture shared with Comcast and Cox, enabling cross-operator audience targeting at scale. Spectrum Reach provides a comprehensive suite of advertising solutions including linear TV, streaming, digital display, and advanced audience-targeted products. The platform leverages first-party subscriber data to enable precise audience segmentation, making it particularly valuable for local and regional advertisers seeking to reach specific demographics. Spectrum Reach also offers creative services and campaign management tools, positioning it as a full-service advertising partner rather than just an inventory seller. In the broader AdTech ecosystem, Charter occupies a unique position as both a major media distributor and an advertising technology operator. Its scale of owned-and-operated inventory, combined with its participation in Ampersand and growing investments in addressable and streaming advertising, makes it a significant competitor to both traditional broadcast groups and emerging connected TV (CTV) platforms. The company's ability to tie advertising exposure to actual subscriber behavior gives it a differentiated data advantage in an increasingly privacy-conscious marketplace.