Room40 Ventures — Full Portfolio
3 tracked investments · listed companies and verified rows first
AI application that automates B2B payment portal submissions and provides visibility across payment portals for accounts receivable teams.
Co-investorsScale Venture PartnersVerissimo VenturesF2 Venture Capital
Scope3 operates the Interchange, an agentic advertising platform where buyer, seller, creative, and governance agents coordinate through the AdCP standard to plan, negotiate, and execute ad campaigns across surfaces such as CTV, social, audio, and AI chat.
AdTechAI & Machine LearningMarketing Tech
Brian O'Kelley(Founder)in
Co-investorsGV (Google Ventures)Venrock
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
Rows marked “SEC filing” are inferred from directors named on the company's SEC Form D — public regulatory data, not a portfolio list published by the firm.