Coval raises $28M Series A to define safety for autonomous voice agents

What happened

Y Combinator alum Coval raised a $28M Series A on June 24, led by Norwest with participation from Base10 Partners, Twilio Ventures and Y Combinator. Total raised since 2024 stands at $31M.

Context and impact

Voice AI agents are one of the fastest-growing categories, but reliability and compliance remain pain points. Coval brings the simulation-first discipline of autonomous vehicles into this space — Hopkins previously led Waymo's evaluation job infrastructure.

Details

• Platform covers simulation, observability and labeling for voice and chat agents.
• Coval has 60+ customers including Zoom, Deepgram and Fortune 500 firms.
• New funds will go to sales and solutions engineering.
• Pairs with rising regulatory and auditability pressure on AI in healthcare and finance.