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Series A Companies in California

Explore 1,967 series a startups based in California, United States. Access verified founder contact information and fundraising data.

Total Companies
1,967
Total Funding
$612.3M
Avg Funding
$24.5M
Industries
13

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Architecture
$20.0M
raised

Villa Homes is a construction company that helps homeowners and communities building backyard homes.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$16.0M
raised

Glacier develops AI-powered robotic systems to automate the sorting of recyclable materials in waste management facilities.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$24.5M
raised

Reducto is an AI-driven API that specializes in converting unstructured documents like PDFs and images into structured data.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Cyber Security
$20.0M
raised

SquareX is a Browser Detection and Response (BDR) solution that detects, mitigates, and threat-hunt client-side web attacks in real time.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Developer APIs
$20.0M
raised

Salsa offers a payroll infrastructure platform that allows businesses to lauch embedded payroll products quickly and efficiently.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Health Care
$30.0M
raised

Superpower offers a digital health platform that integrates comprehensive diagnostics, personalized care plans, and health tracking tools.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$50.0M
raised

AI interpretability research company

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Productivity Tools
$10.0M
raised

Cy4Data Labs develops cutting-edge answers to practical problems.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$30.0M
raised

Virtue AI operates as an AI security and compliance platform for applications.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$10.0M
raised

8Flow provides AI-driven workflow automation to streamline enterprise processes efficiently.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Fertility
$7.3M
raised

Cofertility is a human-first fertility ecosystem dedicated to making egg freezing and third-party reproduction accessible to everyone.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Consulting
$8.0M
raised

Authorium is a cloud-based platform to improve government procurement, budget, policies, HR and grant processes.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$25.0M
raised

Artisan AI is a software development company that develops AI-powered employees to automate workflows across various business functions.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$26.2M
raised

Aurascape enables businesses to innovate fearlessly in the age of AI through a security platform engineered for AI interactions.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Fraud Detection
$27.0M
raised

SafetyKit replaces human risk, safety, and compliance reviewers with AI agents.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Biotechnology
$110.0M
raised

RayThera is dedicated to developing small molecule therapies specifically targeting unmet needs in immunology.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$17.0M
raised

Larridin is a SaaS company that offers an AI-powered organizational fitness platform to optimize workforce productivity through scorecards.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

$50.0M
raised

Aetherflux develops a novel design for space.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Energy
$18.6M
raised

Fourier is develops a modular and fully automated hydrogen production system.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$20.0M
raised

Venteur is an ICHRA administrator providing affordable health insurance solutions.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
Unlimited exports
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Artificial Intelligence (AI)
$1.3M
raised

Amaros AI is a AI & Biomarker-driven Clinical Trials.

Apr 2025
Series A

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$33.0M
raised

LightSource develops a supply chain management platform to help professionals collaborate with their suppliers.

Mar 2025
Series A

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$15.0M
raised

Brisk Teaching provides AI-powered tools for educators to enhance teaching with digital resources.

Mar 2025
Series A

Founder Contacts

41,000+ verified contacts

Green Consumer Goods
$8.0M
raised

Topanga.io develops a reuse platform for sustainably-minded brands, restaurants, and consumers.

Mar 2025
Series A

Founder Contacts

41,000+ verified contacts

Construction
$15.5M
raised

Lumber is an automated payroll, time-tracking, accounts payable, compliance, and onboarding platform for the construction industry.

Mar 2025
Series A

Founder Contacts

41,000+ verified contacts

Showing 1026 to 1050 of 1,967 companies

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1,967 Recently Funded Series A Startups in California (October 2026) — Page 42 | VCBacked