Top Tech Startups in California, US in 2026

DeepSigns is revolutionizing document processing in the construction industry through advanced AI. We're currently in stealth working with a design partner in solving a critical industry pain point: the time-consuming, error-prone process of extracting meaningful data from contracts, bonds, and financial statements. Our AI-powered platform offers: - Intelligent document processing: Converting complex construction documents into structured, actionable data - Automated data extraction: Transforming unstructured documents into organized, searchable information - Smart document analysis: Quickly processing and standardizing varied document types across construction workflows Initial results: - 95% reduction in document processing time - Potential for millions in cost savings for construction firms - An estimated 1.5 million labor hours saved if our technology was applied across our design partner's industry We're creating a new standard for document processing in construction, moving outside of our current design partner's niche sector to the entire construction ecosystem. Our market is massive and underserved. The U.S. construction industry alone is worth over $1.3 trillion, with billions spent annually on document processing and management. We're well positioned to go after this market. DeepSigns isn't just another AI-wrapper startup. We're tackling real-world problems with solutions that can reshape an entire industry, and our solutions only get better with better frontier models. No worries of being 'steamrolled' here as the models improve. Our goal: become the obvious choice for construction document processing, saving clients time, money, and headaches. Join us in bringing clarity to construction's complex documentation.

Lead is a bank that provides financial services for individuals and businesses. It also operates a Banking-as-a-Service platform that helps fintech companies build their own banking products. The platform offers solutions including lending, transfers, cards, and accounts for partners.

We partner with healthcare institutions to build AI-powered workflows on a unified data foundation. Our mission is to make the best healthcare possible available to every human on the planet.

SignalRGB is building the unified control layer for RGB hardware. Today, lighting ecosystems are fragmented - each brand requires its own software, devices don’t sync reliably, and performance often suffers. We solve that by providing a single, lightweight platform that connects and controls RGB devices across brands in one seamless experience. Our software integrates directly with hardware to deliver real-time lighting effects, game integrations, and system-wide synchronization - without the bloat and instability of traditional vendor tools. We support a growing ecosystem of keyboards, mice, fans, RAM, GPUs, cases, and more, turning disconnected components into a cohesive system. Under the hood, we’re solving hard problems in hardware abstraction, reverse engineering, device communication, low-latency rendering, and cross-platform performance. We operate at the intersection of embedded systems and consumer software - building infrastructure that millions of PC gamers rely on daily. Our mission is simple: make RGB devices just work.

Premium Brand & UX Studio for Founders We're a NYC-based branding studio for founders who are tired of looking like a side project. We turn good products into premium brands that can charge premium. *We build:* → Brand Identity Systems that look fundable → Websites & Apps that convert, not just look pretty → Pitch decks that actually close *Our sweet spot:* Pre-seed to Series A Tech / SaaS / DTC founders who are ready to invest $5k+ to get it right the first time. Manhattan agencies charge 3x-5x for the same work. We don't. No agency BS. Fast delivery. Real ROI.

Adeia is a company specializing in research and development (R&D) and intellectual property (IP) licensing, with a primary focus on expediting the integration of cutting-edge technologies within the media and semiconductor sectors. Adeia's groundbreaking innovations serve as the foundation for cutting-edge technology solutions that are driving and enhancing the future of digital entertainment and electronics. Adeia's intellectual property portfolios empower the interconnected devices that impact the daily lives of millions of individuals globally, encompassing their experiences in work, leisure, and daily activities. From television sets to mobile devices, in virtually any location and across a wide spectrum of entertainment encounters, ranging from traditional Pay-TV to the ever-expanding realm of Over-The-Top (OTT) content, Adeia's innovations excel in intelligently, immersively, and personally managing content and connections.

Once upon a time in the wild world of personal financial despair and never-ending shopping temptations, a group of overspenders found a way to change their wicket spending habits and decided it was high time to sprinkle a little magic on everyone’s financial future and disrupt the industry for good. And thus, SwipeSwipe was born! Picture this: You’re about to mindlessly hit that “Buy Now” button on Amazon for the tenth time this week, and suddenly, your screen lights up with a gentle reminder from SwipeSwipe: “Do you really need that (gold novelty pen?)” It’s like having a responsible friend with you at all times, saving you from buyer’s remorse and nudging you towards smarter choices. SwipeSwipe isn’t just another budgeting app people will forget to use. We’ve mastered the art of popping up at the exact moment you’re about to make a questionable purchase, and empower you to make mindful choices. The more you use it, the more you become the master of your spending domain and the builder of your financial security. Small changes, big life impact – that’s the SwipeSwipe promise. You can learn more and download the extension for free at swipeswipe.co