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HQ: Sacramento, CA, United States
Incorporated: 2025
Funding:
$123K · SAFE · Oct 2026
Top B2B Software Startups in California
This list has 2,349 startups and was last updated on Oct 15, 2026. 592 of them are hiring right now. Biggest hubs: San Francisco (2,110), Los Angeles (79), and San Diego (12). Largest teams: Stripe, Deel, and GrubMarket. Latest round: Modal raised $750M (Oct 14, 2026).
2,349 startupsPage 49 of 66
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HQ: Milpitas, CA, United States
Incorporated: 2026
Funding:
$100K · Options · Oct 2026
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HQ: San Francisco, CA, United States
Incorporated: 2026
Funding:
$100K · SAFE · Oct 2026
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HQ: San Francisco, CA, United States
Incorporated: 2026
Funding:
$70K · Equity · Sep 2026
Proxy
Acquired
What they do:
Smart ring digital wallet
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HQ: San Francisco, CA, United States
Cognito
Acquired
What they do:
Frictionless, modern identity verification that starts with just a…
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HQ: San Francisco, CA, United States
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HQ: San Francisco, CA, United States
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HQ: San Francisco, CA, United States
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HQ: San Francisco, CA, United States
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HQ: San Francisco, CA, United States
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HQ: San Francisco, CA, United States
YC W11Early stage
Firebase
Acquired
What they do:
Build and grow iOS, Android, and Web apps.
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HQ: San Francisco, CA, United States
Zenefits
Acquired
What they do:
HR for small businesses: onboarding, payroll and benefits.
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HQ: San Francisco, CA, United States
Unbabel
Acquired
What they do:
AI-powered Language Operations platform
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HQ: San Francisco, CA, United States
Authy
Acquired
What they do:
Authy is a Two-Factor Authentication platform for developers
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HQ: San Francisco, CA, United States
garten
Acquired
What they do:
Creating workplace wellbeing.
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HQ: San Francisco, CA, United States
Gem
Acquired
What they do:
Talent engagement platform
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HQ: San Francisco, CA, United States
Routable
Acquired
What they do:
Simplifying payouts at scale
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HQ: San Francisco, CA, United States
UpKeep
Acquired
What they do:
Mobile-first software for maintenance teams.
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HQ: Los Angeles, CA, United States
Convex
Acquired
What they do:
Software for the commercial services industry.
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HQ: San Francisco, CA, United States
WorkRamp
Acquired
What they do:
The All-in-One Learning Platform
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HQ: San Francisco, CA, United States
Fathom
Acquired
What they do:
The most flexible AI meeting notetaker ever built.
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HQ: San Francisco, CA, United States
Armory
Acquired
What they do:
Continuous Deployment at any scale, for all developers.
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HQ: San Francisco, CA, United States
Memfault
Acquired
What they do:
First IoT reliability platform for debugging, monitoring, OTA updates
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HQ: San Francisco, CA, United States
Bitnami
Acquired
What they do:
The App Store for Server Software
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HQ: San Francisco, CA, United States
Hatch
Acquired
What they do:
The AI CSR Platform
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HQ: San Francisco, CA, United States
Triplebyte
Acquired
What they do:
Intelligent technical hiring.
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HQ: San Francisco, CA, United States
Qulture.Rocks
Acquired
What they do:
The people, management, and culture operating system for your startup.
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HQ: San Francisco, CA, United States
Mailmodo
Acquired
What they do:
No-code email marketing platform to send forms & widgets within emails
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HQ: San Francisco, CA, United States
Lumi
Acquired
What they do:
Packaging for online brands.
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HQ: Los Angeles, CA, United States
Remix
Acquired
What they do:
We’re building a platform to empower cities to plan the best possible…
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HQ: San Francisco, CA, United States
Forage
Acquired
What they do:
Online job simulations for companies to train, and then hire, students
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HQ: San Francisco, CA, United States
Second Measure
Acquired
What they do:
Unlock the power of transaction data.
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HQ: San Francisco, CA, United States
Embrace
Acquired
What they do:
Modern user-focused observability built on OpenTelemetry
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HQ: Los Angeles, CA, United States
StackAI
Acquired
What they do:
The Enterprise AI Transformation Platform
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HQ: San Francisco, CA, United States
SimpleLegal
Acquired
What they do:
Legal Operations for corporate legal teams.
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HQ: Los Angeles, CA, United States