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Series B Companies in California

Explore 889 series b startups based in California, United States. Access verified founder contact information and fundraising data.

Total Companies
889
Total Funding
$1.1B
Avg Funding
$45.9M
Industries
19

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Recently Funded Companies

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$34.0M
raised

Demostack provides assistance to software companies in creating, delivering, and analyzing demos.

Apr 2022
Series B

Founder Contacts

30,000+ verified contacts

Enterprise
$35.0M
raised

STRIVR is an E-Learning company that provides virtual reality training solutions.

Apr 2022
Series B

Founder Contacts

30,000+ verified contacts

Apps

Expo is a full-stack React Native framework that accelerates the app development lifecycle with robust cloud services.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

Aerospace
$20.0M
raised

Turion Space develops spacecraft and software for space awareness, in-orbit operations, and satellite servicing systems.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology
$47.1M
raised

Beilai Bio biopharmaceutical company focusing on the development of stem cell therapeutics for different diseases

Apr 2022
Series B

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Developer Tools
$18.5M
raised

Knowledge infrastructure for agents

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology
$27.0M
raised

Spiral Therapeutics is a clinical-stage pharmaceutical company delivering therapies for inner ear disorders.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

Cloud Security
$42.0M
raised

Twingate provides businesses and their distributed workforces with modern, secure remote access to private resources.

Apr 2022
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology
$100.0M
raised

Neomorph develops protein degradation therapies targeting diseases not addressed by conventional treatments.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

$30.0M
raised

BlueOceanAI - Agentic AI purpose-built for marketing.

Apr 2022
Series B

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Compliance
$43.0M
raised

MedTrainer is a healthcare workforce compliance software provider.

Apr 2022
Series B

Founder Contacts

30,000+ verified contacts

$340.0M
raised

Valar Atomics develops nuclear energy systems designed to supply industrial-scale power and produce energy-derived products.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

3D Technology
$50.0M
raised

Alcatraz is an AI company that leverages the enterprise access control environment by enabling touchless and secure entry.

Apr 2026
Series B

Founder Contacts

30,000+ verified contacts

E-Commerce

Fernish is a furniture rental startup company that offers furniture as a subscription model to consumers living a mobile lifestyle.

Apr 2023
Series B

Founder Contacts

30,000+ verified contacts

Biotechnology

Stämm is transforming biomanufacturing with nature-inspired, scalable, and sustainable solutions.

Apr 2023
Series B

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Artificial Intelligence (AI)
$42.0M
raised

Jobox lets pros focus on their job by taking the overhead of managing the finances of a home services business.

Apr 2022
Series B

Founder Contacts

30,000+ verified contacts

$50.0M
raised

Studio is an online audio and media company that offers online training to cultivate the creative side in the field of music.

Apr 2022
Series B

Founder Contacts

30,000+ verified contacts

Advertising

Brave Software focuses on increasing browsing speed and safety for users, while growing ad revenue share for content creators.

Apr 2022
Series B

Founder Contacts

30,000+ verified contacts

Information Technology
$20.0M
raised

Revelstoke is a low-code, high-speed security orchestration, automation, and response platform.

Mar 2023
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$53.0M
raised

JIFFY.ai helps wealth firms boost productivity, enhance client engagement, and streamline onboarding, servicing & data management with AI.

Mar 2022
Series B

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
Unlimited exports
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Employee Benefits
$40.0M
raised

Forma is a modern-day benefits platform that gives employees the freedom to choose health and wellness options that are right for them.

Mar 2022
Series B

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$17.5M
raised

Neural Propulsion Systems is an Artificial Intelligence (AI) company.

Mar 2024
Series B

Founder Contacts

30,000+ verified contacts

3D Printing
$52.0M
raised

Zeda (frmly. PrinterPrezz/Vertex Manufacturing) provides advanced manufacturing services to medical, space, defense, & aerospace industries

Mar 2023
Series B

Founder Contacts

30,000+ verified contacts

Agentic AI
$80.0M
raised

depthfirst develops an AI-powered security platform for detecting, triaging, and remediating software vulnerabilities.

Mar 2026
Series B

Founder Contacts

30,000+ verified contacts

Energy Management
$5.7M
raised

Flair makes smart vents and wireless thermostats and advanced software for residential heating and cooling.

Mar 2026
Series B

Founder Contacts

30,000+ verified contacts

Showing 276 to 300 of 889 companies

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