Startups in San Mateo
194 startups and 31 open roles on the map.
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WisdomAI
San Mateo
WisdomAI provides data insights to every employee, leveraging Generative AI. As an early-stage company with Fortune100 paying customers, it is positioned to shape its product and engineering roadmap.
Data Infrastructure and Analytics$73MEst. 2023
GC AI
San Mateo
The AI for in-house counsel
Technology, Information and Internet$71.6MEst. 2023Hiring fast
Archetype AI
San Mateo
Archetype AI develops Physical AI agents that harness real-world sensor data to enhance decision-making and automate processes.
Technology, Information and Internet$48MEst. 2023
Tofu
San Mateo
Tofu is an early-stage generative AI startup based in San Mateo, CA, backed by Index Ventures and SignalFire; it aims to build a unified platform for hyper-personalized, omnichannel B2B marketing campaigns at scale for mid-market and enterp
AI/ML$17MEst. 2023
Zaimler.ai
San Mateo
Zaimler is building an AI-based data platform that shifts beyond traditional databases toward question-driven data interaction, enabling AI agents to retrieve, understand, and utilize information. With a lean 12-person team and proven found
Data Infrastructure and Analytics$10MEst. 2024
Maxima
San Mateo
Maxima maximizes shareholder value by making financial information accessible, accurate, and actionable, addressing fragmented data and missing forward-looking ROI insights, with a moonshot to close books on day zero and enable continuous c
AI/ML$10MEst. 2024
Skywalk AI
San Mateo
Skywalk develops voice AI to enable more natural interactions with technology and intuitive access to the digital world. Its founding team brings deep expertise in machine learning, voice recognition, and hardware, with experience serving F
AI/ML$4.5MEst. 2024
Besimple AI
San Mateo
Besimple AI builds a data flywheel that enables continuous model improvement and monitoring through human-in-the-loop, serving AI teams of all sizes and budgets.
AI/ML$3MEst. 2025
Slate Technologies
San Mateo
Slate Technologies is a AI driven digital enabler platform for the construction industry.
Software Development$20.2MEst. 2020
VESSL
San Mateo
Founded in Seoul, the company is expanding to the United States after a $12 million Series A, with about 40 employees and backing from top-tier Korean investors. It serves AI-native startups, research labs, and enterprises, supporting AI in
AI/ML$12.2MEst. 2020
Remotebase
San Mateo
Remotebase hires, trains, and places local software engineers.
IT Services and IT Consulting$3.5MEst. 2020
Firework
San Mateo
Firework is powered by enterprise-grade infrastructure designed to scale personalized video experiences and agentic shopping journeys across digital commerce.
Marketing Services$269.3MEst. 2017