Top Tech Startups in California, US in 2027

At Metal, we are shaping digital money and revolutionizing the way people transact by building the decentralized financial infrastructure of the future. To date, we have launched and operate Metal Pay (digital banking and crypto wallet) and Proton SDK a distributed ledger for identity and interaction with the card and banking payments settlement layer. Metal is the future of money. The future is now.

Rhombus is a Silicon Valley startup and NASA Research Park partner. We are leaders in bringing big-data insights to Enterprise planning and decision-making at strategic, operational and tactical levels. Our advisory board includes two Nobel Laureates and a Draper Prize winner. We choose to solve pressing problems in National Security and Energy sectors using cutting edge cross-disciplinary approaches. Are you ready to help the US win the AI race?

Most AI systems are built as one-size-fits-all solutions. Powerful in benchmarks, brittle in production. In a real workplace, they fall short. Not because they lack intelligence, but because they don't know your business. They're missing your domain knowledge, your workflows, your team's preferences, and the unwritten rules that make your organization run. That gap between general intelligence and operational context is where most enterprise AI implementations fail. Stochastic was built to close that gap. We give enterprises a private, tailored AI system they fully own. One that learns continuously from real behavior and user feedback, adapts to their specific environment, and gets sharper the longer it's in use. Because the system is theirs, so is the data. No shared model training, no compromised proprietary information. Just an AI that knows your organization as well as your best employee does, and keeps getting better. Stochastic started with a group of Harvard AI systems researchers who built the first Bayesian and LLM inference accelerators, along with a real-time speech and NLP engine. The team has since grown to include engineers and researchers from Stanford, CMU, MIT, UIUC, NVIDIA, and Meta, all building toward the same goal: AI that belongs to your organization, not to anyone else.

Fullcourt is driving the digital transformation of the basketball community. Creating a marketplace organizing games and events, while building tools to help small basketball businesses and services.

Artie is a real-time database replication solution for databases and data warehouses. To do this, we leverage Kafka and CDC. We're growing fast - we launched our product a year ago and are now processing 10b+ rows per month. We're backed by Pathlight (fka Exponent Founders Capital), General Catalyst and other world class angels like Benn Stancil (Mode), Lenny Rachitsky (Lenny’s Newsletter), and Arash Ferdowsi (Dropbox).

Our product help buyers seamless discover and book experiences for groups.

Juji specializes in developing empathetic + responsible conversational AI technology to accelerate the automation of human interactions and to scale business operations and drive growth. Juji achieves this with three differentiators: (1) Juji's proprietary Active Listening conversation engine that enables Juji chatbots to deliver peerless SuperAgent performance in the automation of diverse business tasks. (2) Juji's proprietary Personal Insights inference engine that enables Juji chatbots to dynamically infer user individual differences from live conversations to deliver a real-time hyper-personalized, empathetic experience that no others offer. (3) Juji's first-of-a-kind no-code AI chatbot design suite (Juji Studio) enabling non-IT professionals to build and manage custom, enterprise-grade conversational chatbots 20-50X faster. Additional Info 1. How to choose an AI chatbot builder docs.juji.io/why-ai-chatbots#which-ai-chatbot-platform-to-use 2. AI chatbot design tips docs.juji.io/chatbot-design-tips 3. Juji Chatbot building video tutorials docs.juji.io/tutorial 4. Sign up to build your own AI chatbot juji.io/signup

Founded in 2009, Flippa’s mission is to give every business owner a pathway to exit. Flippa’s platform powers the digital real estate industry, we invented the space and we are the market leaders. Our unique peer-to-peer marketplace brings together entrepreneurs, owners, investors and operators to trade sites, stores, apps and online businesses. We represent the new real estate - it’s digital real estate - and this is your opportunity to be a part of a major shift in society, one where digital business ownership is the new currency and a new asset class. At Flippa, your ideas count and your perspective matters. We favour the brave and want you to do your best work. You will love it here if you are open and curious, love a fast pace, always think about the end customer and know the digital economy. We want to help our customers be successful and this means working on the things that matter most to them. We support each other (one of our values is to Be Human) to achieve great things and celebrate the wins. Do you want to Own Your Future?

Luma's mission is to enable everyone to capture and experience the world in lifelike 3D. We are building world's best neural capture and rendering system that makes photorealistic 3D capture from casually captured smartphone photos a reality. Our first target verticals are high-end e-commerce, real-estate, and 3D games industry.

We help life sciences firms accelerate innovation. DeciBio provides life science consulting and market intelligence for firms in the clinical diagnostics, life science research tools, health technology, and adjacent markets. Our goal is to provide market data and strategic insights to drive disruption and innovation in the life sciences industry. Life science market intelligence reports enable firms to succeed in complex, competitive markets. Our carefully researched market intelligence products help life sciences firms thoroughly assess key markets and identify opportunities for future growth. Life science consulting services offer answers to the most challenging business questions. Partner with our seasoned experts to discover new market opportunities, evaluate how your products fit with customer needs, assess the impact of company initiatives, and understand market events and how they affect your company's bottom line and future growth. The DeciBio Difference: We thrive in markets requiring the unique combination of deep scientific understanding and business insights.