S4S Ventures

S4S Ventures is a venture capital firm based in New York, founded in 2022. The firm specializes in early-stage investments, primarily targeting technology-driven companies within the marketing technology, advertising technology, data technology, creative technology, and emerging digital media sectors. S4S Ventures aims to support innovative startups that are poised to make significant impacts in their respective industries.

Sanja Partalo

Co-Founder and Managing Partner

Martin Sorrell

Co-Founder and Partner

Past deals in Television

tvScientific

Series B in 2025
TvScientific is a performance advertising platform focused on making connected TV (CTV) advertising accessible and measurable for brands and applications of all sizes. The platform utilizes data to demonstrate the true value of TV advertising while simplifying and automating the processes of CTV buying and optimization. TvScientific offers real-time reporting that allows users to monitor campaign performance effectively, ensuring that their advertising efforts achieve optimal results. Additionally, the platform features Always-On Incrementality testing, which provides insights into the incremental value generated by CTV campaigns, further assuring users that their marketing strategies are effective. By combining intuitive campaign management with digital-like measurement and attribution, TvScientific enables businesses to harness CTV as a scalable performance channel.

tvScientific

Convertible Note in 2024
TvScientific is a performance advertising platform focused on making connected TV (CTV) advertising accessible and measurable for brands and applications of all sizes. The platform utilizes data to demonstrate the true value of TV advertising while simplifying and automating the processes of CTV buying and optimization. TvScientific offers real-time reporting that allows users to monitor campaign performance effectively, ensuring that their advertising efforts achieve optimal results. Additionally, the platform features Always-On Incrementality testing, which provides insights into the incremental value generated by CTV campaigns, further assuring users that their marketing strategies are effective. By combining intuitive campaign management with digital-like measurement and attribution, TvScientific enables businesses to harness CTV as a scalable performance channel.
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