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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
$1.2B
Avg Funding
$48.2M
Industries
19

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Analytics
$35.0M
raised

Enervee is a B2B platform that drives energy-efficient consumer purchases at scale through utility partnerships and embedded financing.

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

Point2 Technology develops a dielectric waveguide for high speed interconnect for both datacenter applications.

Apr 2026
Series B

Founder Contacts

41,000+ verified contacts

Biotechnology
$125.0M
raised

Ray Therapeutics is a biotech company that develops optogenetic gene therapies for patients with blinding diseases.

Apr 2026
Series B

Founder Contacts

41,000+ verified contacts

Angel Investment
$44.0M
raised

AngelList is a fundraising platform that allows investors to connect with and invest directly in early-stage startups.

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

Biotechnology
$80.0M
raised

Octant Bio is a developer of synthetic technology used to improve health and treat disease.

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Advertising

Mutiny helps B2B companies generate pipeline and revenue from their target accounts through AI-powered personalized web experiences.

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

$25.0M
raised

Playable Worlds is a computer games company that specializes in the fields of game development, online games, and gamification.

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

Electric Vehicle
$17.3M
raised

Unagi is an electric scooter startup that aims to liberate people from the tyranny of transportation frustrations.

Apr 2023
Series B

Founder Contacts

41,000+ verified contacts

Enterprise
$35.0M
raised

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

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

$34.0M
raised

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

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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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

41,000+ 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

41,000+ 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

41,000+ verified contacts

Developer Tools
$18.5M
raised

Knowledge infrastructure for agents

Apr 2026
Series B

Founder Contacts

41,000+ 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

41,000+ verified contacts

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41,000+ verified emails
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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

41,000+ verified contacts

Biotechnology
$100.0M
raised

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

Apr 2026
Series B

Founder Contacts

41,000+ verified contacts

$30.0M
raised

BlueOceanAI - Agentic AI purpose-built for marketing.

Apr 2022
Series B

Founder Contacts

41,000+ verified contacts

Compliance
$43.0M
raised

MedTrainer is a healthcare workforce compliance software provider.

Apr 2022
Series B

Founder Contacts

41,000+ 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

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
No credit card required
$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

41,000+ 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

41,000+ verified contacts

Biotechnology

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

Apr 2023
Series B

Founder Contacts

41,000+ 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

41,000+ verified contacts

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

41,000+ verified contacts

Showing 276 to 300 of 889 companies

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