Causal and OpenX Partner to Deliver Scalable, High-Quality Connected TV Advertising

Causal, a recognized leader in advanced digital advertising solutions, announced a strategic partnership with OpenX, a top-tier omnichannel supply-side platform, aimed at delivering impactful and scalable connected TV (CTV) advertising. This collaboration enables advertisers to maximize reach and efficiency while maintaining high-quality inventory standards.

In a recent campaign promoting expanded access to affordable healthcare in New York, the partnership demonstrated measurable success, achieving a 17.73% increase in efficiency compared to other SSPs tested.

OpenX’s transparent and high-performing marketplace has consistently supported Causal clients across multiple sectors, including political advocacy. For this initiative, the campaign strategy focused on broad reach, controlled frequency, and contextual alignment. OpenX accounted for 36% of total impressions, primarily delivered through premium CTV placements across national and local news programming. This quality-first approach ensured impactful delivery without over-saturation, reinforcing advocacy messaging with maximum resonance.

Also Read: AdRoll Partners with Innovid to Deliver Independent, Outcome-Based CTV Measurement

“Partnering with OpenX aligns with our commitment to innovation and accountability in digital advertising,” said Christopher Birtch, Director of Account Operations at Causal. “Their leadership in SPO and supply-side targeting complements our mission to provide clients with impactful, data-driven campaigns that contribute to a better future while meeting the industry’s growing demand for inventory curation and transparency.”

“Political advocacy campaigns demand both scale and nuance,” said Stacy Bohrer, SVP Buyer Development, The Americas, at OpenX. “Our work with Causal demonstrates how curated, high-quality inventory can deliver measurable results for organizations looking to drive real change, while ensuring responsible media buying through transparent supply paths.”

By combining Causal’s advanced data-driven strategies with OpenX’s transparent, high-performing marketplace, this partnership proves that advertisers can achieve measurable efficiency gains without compromising scale or quality. The collaboration highlights how performance-focused CTV campaigns can deliver stronger ROI, maximize audience reach, and ensure messaging resonates effectively.