Olyzon Raises $10M Series A

Olyzon, a New York and Paris-based company providing an agentic decisioning layer for CTV advertising, has announced the closing of a $10 million Series A funding round.

Investors

The round was led by S4S Ventures, a venture capital firm co-founded by Sanja Partalo and Sir Martin Sorrell. Existing investor Eurazeo also participated in the round.

Olyzon Use of Funds

Olyzon plans to use the new capital to accelerate the development of its agentic platform for CTV media buying. The funding will also support the expansion of the company's US operations and facilitate the opening of a new office in London to increase its presence in the EMEA region.

About Olyzon

Founded to address the complexity of CTV media buying, Olyzon provides an agentic decisioning layer that uses AI agents to plan, activate, and optimize advertising campaigns across CTV platforms. Headquartered in Paris with offices in New York and London, Olyzon's clients include leading agencies, brands, and trading desks across Europe and North America. Olyzon's platform is already live with Publicis, WPP, OMD, Mastercard, Loewe, Audi, McDonald's, and DoorDash, among others.

Funding Details

Company: Olyzon
Raised: $10M
Round: Series A
Funding Date: May 27, 2026
Lead Investor: S4S Ventures
Additional Investors: Eurazeo
Company Website: https://www.olyzon.tv/
Software Category: AdTech
Source: https://www.prnewswire.com/news-releases/sir-martin-sorrells-s4s-ventures-leads-olyzons-10m-series-a-to-build-the-agentic-platform-for-ctv-302782399.html