What they do:
AI-guided ballistic missiles, cheap enough to field in numbers that…
Quick facts:
HQ: San Francisco, CA, United States
YC F26Early stage
Top Startups in California
This list has 3,698 startups and was last updated on Oct 15, 2026. 827 of them are hiring right now. Biggest hubs: San Francisco (3,173), Los Angeles (197), and San Diego (39). Largest teams: DoorDash, Stripe, and Airbnb. Latest round: Renue Life Sciences raised $250K (Oct 14, 2026).
3,698 startupsPage 62 of 103
What they do:
A graph based IDE for when agents program faster than you can read
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HQ: San Francisco, CA, United States
YC F26Early stage
What they do:
Mashup any game
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HQ: San Francisco, CA, United States
YC F26Early stage
What they do:
The crowdsourced benchmark for AI-generated music and music production
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HQ: San Francisco, CA, United States
Cruise
Acquired
What they do:
Self-driving cars.
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HQ: San Francisco, CA, United States
Acquired
What they do:
The frontpage of the internet.
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HQ: San Francisco, CA, United States
Twitch
Acquired
What they do:
A global community creating the future of live entertainment.
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HQ: San Francisco, CA, United States
Optimizely
Acquired
What they do:
The first all-in-one operating system for marketing
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HQ: San Francisco, CA, United States
Brex
Acquired
What they do:
Business accounts, corporate cards, and spend management software.
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HQ: San Francisco, CA, United States
Newfront
Acquired
What they do:
Modern insurance brokerage.
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HQ: San Francisco, CA, United States
The Athletic
Acquired
What they do:
Subscription sports media.
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HQ: San Francisco, CA, United States
Segment
Acquired
What they do:
Software and APIs to collect, clean, and control customer data.
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HQ: San Francisco, CA, United States
Machine Zone
Acquired
What they do:
Pioneers of mobile social gaming.
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HQ: San Francisco, CA, United States
WePay
Acquired
What they do:
Payments for platform businesses.
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HQ: San Francisco, CA, United States
PlanGrid
Acquired
What they do:
Mobile applications for the construction industry.
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HQ: San Francisco, CA, United States
Heroku
Acquired
What they do:
Enabling developers to build and run applications in the cloud.
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HQ: San Francisco, CA, United States
Lever
Acquired
What they do:
Talent Acquisition Suite that combines ATS + Talent CRM
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HQ: San Francisco, CA, United States
Clever
Acquired
What they do:
The platform that powers technology in the classroom.
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HQ: San Francisco, CA, United States
Fivestars
Acquired
What they do:
Customer loyalty and payments platform for small businesses.
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HQ: San Francisco, CA, United States
Weebly
Acquired
What they do:
Build a free website that grows with your business.
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HQ: San Francisco, CA, United States
DrChrono
Acquired
What they do:
The essential platform for modern medical practices and patients.
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HQ: San Francisco, CA, United States
CoreOS
Acquired
What they do:
Open source tools of modern distributed systems.
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HQ: San Francisco, CA, United States
Sqreen
Acquired
What they do:
Sqreen is the application security platform for the modern enterprise
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HQ: San Francisco, CA, United States
OpenInvest
Acquired
What they do:
Values based personalization at scale for asset and wealth management
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HQ: San Francisco, CA, United States
HelloSign
Acquired
What they do:
eSignature software for small and mid-market businesses.
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HQ: San Francisco, CA, United States
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HQ: San Francisco, CA, United States
Funding:
$1.1B · Equity · Jun 2026
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HQ: Newport Beach, CA, United States
Funding:
$791M · Jun 2026
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HQ: San Diego, CA, United States
Funding:
$592M · Equity · May 2026
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HQ: Mountain View, CA, United States
Incorporated: 2023
Funding:
$528M · Equity · Mar 2026
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HQ: San Francisco, CA, United States
Incorporated: 2023
Funding:
$435M · Equity · Jan 2026
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HQ: San Francisco, CA, United States
Incorporated: 2024
Funding:
$364M · Equity · Jun 2026
Quick facts:
HQ: San Francisco, CA, United States
Incorporated: 2022
Funding:
$330M · Equity · Feb 2026
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HQ: San Carlos, CA, United States
Incorporated: 2023
Funding:
$305M · Equity · May 2026
Quick facts:
HQ: Palo Alto, CA, United States
Incorporated: 2022
Funding:
$275M · Equity · Jan 2026
Quick facts:
HQ: San Francisco, CA, United States
Incorporated: 2024
Funding:
$266M · Equity · Jun 2026
Quick facts:
HQ: El Segundo, CA, United States
Incorporated: 2024
Funding:
$245M · Equity · May 2026