Browse 3 startups in San Francisco working in Email. Every listing below is matched on location and skill set so you can discover the right company faster. Compare profiles and reach out directly.
Cedar, a Winter 2025 Y Combinator company, is building a new kind of copilot that picks up where the training program ends — one that captures the playbook of the best reps and puts it in front of every AE, every day. The hardest part of scaling a go-to-market team isn’t hiring — it’s ramping. […]
AgentMail, a Y Combinator-backed Summer 2025 startup, is building what Gmail built for humans — but for AI agents. The company’s email inbox API gives AI agents their own persistent inboxes, enabling them to send, receive, parse, and act on email with the same fluency a human professional would bring to the medium. In September […]
Email remains the universal input tray of knowledge work, and despite two decades of startup promises, most professionals still spend hours a day on it. Slashy, a Y Combinator Summer 2025 company, is taking another run at the category with an AI email assistant it describes as ‘Cursor for Email’ – an agent designed to […]
