Top Tech Startups in California, US in 2027

Stareable works with established creators to 1) develop TV-style repeatable formats 2) source brand dollars to produce new series, and 3) expand their businesses into physical goods, live events, and more.

Action on AI Search with Athena. Backed by Y Combinator, FCVC (seed investor in Coinbase, Instacart, Webflow, Rippling), Eli Schwartz, and current and former CMOs, AthenaHQ is the preferred AI-search partner for forward-thinking marketing organizations Featured on Forbes, WSJ, and Business Insider. Trusted by hundreds of next-gen marketing teams at Paperless Post, Ollie, Checkr, OneSignal, and more. athenahq.ai/careers

Radixiy is an IT solutions provider headquartered in San Jose, California, United States, founded by technology leaders who spent 20+ years in the IT industry building software solutions for enterprise-level customers. We are innovators, problem-solvers, and trusted partners in digital transformation. With a passion for technology and a commitment to excellence, we specialize in building custom software solutions that help businesses thrive in an ever-changing digital world. Our team brings together expertise across industries, blending creativity with technical precision to deliver scalable, secure, and future-ready applications. From startups to enterprises, we collaborate closely with clients to understand their vision, tackle their unique challenges, and transform ideas into impactful solutions.

Decisionly is the AI-powered dispute automation solution for card issuers, eliminating cost and enabling compliant, scalable card operations. Decisionly automates complex manual workflows end-to-end, modernizing payment infrastructure and generating unique first-party fraud insights for fintechs, processors and banks. Our founding team has a strong track record and unique founder-market fit. We founded Chargehound (backed by Y Combinator, Khosla), the first automated dispute solution for merchants like Airbnb, Uber and Doordash. PayPal acquired Chargehound in 2021 for $XXXM. Decisionly is growing rapidly and is backed by Fika Ventures, Vesey Ventures, Dash Fund, and angels from top fintechs including Stripe, Brex and Plaid. We are a remote company.