Top Tech Startups in California, US in 2027

Zerene helps you build focus, reduce stress, and stay sharp.

Eudia is revolutionizing legal work with AI-powered Augmented Intelligence, empowering Fortune 500 legal teams to act swiftly, manage risks with precision, and unlock transformative business value. With $105M in Series A funding led by General Catalyst, we’re crafting a category-defining platform that fuses AI-driven automation with human expertise, reimagining legal as a strategic growth engine rather than a cost center. Our pace is relentless—shipping solutions in days, not months—for global giants like Cargill, Coherent, DHL, and Duracell. We’re tackling one of AI’s toughest challenges: delivering trust, accuracy, and security in legal automation. At Eudia, we’re a team of bold builders and problem-solvers, driven to reshape an industry ripe for disruption. If you’re obsessed with redefining the future, we want you with us.

Ewith.me is an AI-powered education, career, and productivity platform providing privacy-first tools for learning, writing, career development, exam preparation, and college discovery.

Post-human ideas that once belonged to science fiction are becoming material reality, embedded into technical systems through AI, robotics, biotechnology and new forms of computation. Yaya Labs is a technology studio born from science fiction. It started with a humanoid robot: a vector for experimentation that led to our first personality protocol, an embodied AI persona trained on ethics, memory, aesthetics and emotional grounding, and road-tested at cultural events around the world. From there, we began exploring what happens when human wetware, artificial intelligence and machine systems begin to converge. Today, Yaya Labs operates at the conceptual edge of human-machine relations, developing new interfaces between biology, technology and culture. We explore AI personality protocols, embodied intelligence, brain-computer interfaces and systems that challenge the boundaries of individual agency. The next phase of AI isn't simply about making machines more intelligent. It's about what happens when intelligence becomes embodied, networked and alive.