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Series A Companies in California

Explore 1,951 series a startups based in California, United States. Access verified founder contact information and fundraising data.

Total Companies
1,951
Total Funding
$502.9M
Avg Funding
$20.1M
Industries
16

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Cyber Security
$6.0M
raised

PeakMetrics is a narrative intelligence platform that shows how online narratives form, spread, and impact perception in real time.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

AfterQuery is an AI data company that builds expert-level datasets to help train and improve AI models.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)

Mastra is a Typescript framework to build AI agents

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

Health Care
$8.0M
raised

Bone Health Technologies is developing a new standard of care for treating osteopenia, the precursor to osteoporosis.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$150K
raised

Connectrra is an AI-powered on-demand local services platform for smart service discovery and real-time workforce matching.

Apr 2025
Series A

Founder Contacts

30,000+ verified contacts

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Artificial Intelligence (AI)
$40.0M
raised

Deep Cogito builds general superintelligence via advanced reasoning and iterative self‑improvement LLMs outperforming peers.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

Blockchain
$44.0M
raised

Pharos is a developer of a full-stack parallel blockchain network that connects trustless Web3 developments with current FinTech services.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

$52.0M
raised

Arnatar Therapeutics is a biopharmaceutical company that specializes in the development of novel nucleic acid medications.

Apr 2024
Series A

Founder Contacts

30,000+ verified contacts

Education

Toucan is a browser extension that allows users to translate words and phrases into various languages while browsing the web.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

AI Infrastructure
$125.0M
raised

Aria Networks develops an AI-powered networking platform that monitors, analyses, and optimises data center performance.

Apr 2026
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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$190K
raised

The future of sound is automated. Unlock powerful AI tools to generate and optimize your audio workflows in seconds.

Apr 2024
Series A

Founder Contacts

30,000+ verified contacts

$15.0M
raised

The safe, easy, modern way to store, access, and share important family information with loved ones and trusted advisors.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

Biotechnology
$60.0M
raised

Enable medicine is a biotechnology company that develops biological cartography tools to generate cellular maps that help in drug discovery.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

Charging Infrastructure

Veloce Energy innovates technology and financing models to reduce physical and financial barriers to EV Charging infrastructure deployment.

Apr 2023
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$12.0M
raised

Amplemarket develops an AI-powered GTM platform

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Artificial Intelligence (AI)
$120K
raised

SynteraTek delivers AI-powered system integration and workflow automation across business platforms.

Apr 2025
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$110K
raised

On-demand tech talent platform enabling instant micro-task execution for businesses.

Apr 2025
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$12.3M
raised

Just Appraised streamlines workflows for local governments using AI technology

Apr 2024
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$141K
raised

Meeri Kinder Adventures is a tech-based company that is develops an AI-powered platform for personalized learning.

Apr 2023
Series A

Founder Contacts

30,000+ verified contacts

Information Services
$13.4M
raised

Zero Trust Isolation Platform that confines ransomware to a single device.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
Unlimited exports
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Cloud Storage
$27.0M
raised

Appwrite is a secure end-to-end BaaS for Web, Mobile, and Flutter developers

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

Financial Services
$12.0M
raised

Vested Finance is an online investment platform that develops an avenue for Indian investors to invest in the U.S. stock market.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

$24.0M
raised

ReadySet is a distributed SQL cache that helps developers build scalable, real-time applications without code or database changes.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

$26.0M
raised

Rattle develops Salesforce integration technology allowing systems and people to interact with each other natively.

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

Developer Tools
$25.0M
raised

Trunk is a DevEx toolkit that enables you to ship code quickly while maintaining the guardrails necessary for a large team

Apr 2022
Series A

Founder Contacts

30,000+ verified contacts

Showing 526 to 550 of 1,951 companies

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1,951 Recently Funded Series A Startups in California (August 2026) — Page 22 | VCBacked