Top Tech Startups in San Francisco, CA in 2027

We're building Rhizome AI to help life science companies always know what their regulator thinks. We're looking for a talented product engineer to help us refine our platform and expand our capabilities. Revenue is up 3x in the last few months, we’re expanding the team to keep up with demand!

We focus on frontier bets in Humanity 2.0. We participate in Pre-Seed to Series A - by writing checks up to $1M. We are founders who know the journey. We help. We've seen most of the field, and can introduce you to a network of builders, scientists, and advisors. We operate as a solo GP, so we move fast on conviction. We aim to back the first trillion dollar human enhancement company.

One app to trade, earn, predict, and discover opportunities across stocks, crypto, commodities, forex, and more.

Stealth Mode.

TurboCall is building an AI-powered voice automation platform that helps businesses handle customer conversations at scale. Our AI phone agents can make and receive calls, answer customer questions, qualify leads, schedule appointments, manage reservations, transfer calls, and automate repetitive phone-based workflows. We combine real-time speech recognition, large language models, natural-sounding voice generation, telephony infrastructure, and business integrations to create AI agents that can communicate naturally with customers. TurboCall is designed for industries where phone communication is critical, including hospitality, healthcare, real estate, financial services, staffing, and customer support. Businesses can use TurboCall as a hosted platform or deploy customized and white-label solutions integrated with their existing systems, CRMs, booking platforms, and phone infrastructure. Our goal is simple: make AI phone agents reliable enough to handle real business conversations 24/7. We are building a small, engineering-focused team interested in AI, voice technology, backend systems, telecommunications, and scalable infrastructure.

We’re building an app-based safety and verification platform (app) for modern dating. In a world where people can experience financial manipulation, fraud, harassment, stalking, abuse, and other unsafe situations through online dating, Verity Safe provides an added layer of safety and awareness.

Implementing Web 10—a futuristic, societally beneficial personal and global OS