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Series A Companies in San Francisco

Explore 817 series a startups based in San Francisco, United States. Access verified founder contact information and fundraising data.

Total Companies
817
Total Funding
$540.1M
Avg Funding
$21.6M
Industries
16

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Biotechnology
$60.0M
raised

Link Cell Therapies is a biotechnology company that specializes in cancer cell therapy research and development services.

Dec 2025
Series A

Founder Contacts

30,000+ verified contacts

Internet
$125K
raised

AI-Powered Project Execution, Designed for Modern Teams.

Dec 2025
Series A

Founder Contacts

30,000+ verified contacts

$15.0M
raised

Blocknative is a provider of real-time blockchain transaction management and monitoring solutions for public blockchain networks.

Dec 2022
Series A

Founder Contacts

30,000+ verified contacts

Analytics
$22.5M
raised

The Python Supercomputing Analytics Platform

Dec 2021
Series A

Founder Contacts

30,000+ verified contacts

Blockchain
$10.0M
raised

YO Protocol platform makes it easy to discover, assess, and invest in DeFi yield opportunities.

Dec 2025
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Apps
$50.0M
raised

Ngrok is an API-first ingress-as-a-service platform that helps developers build their apps faster and more securely with no code changes.

Dec 2022
Series A

Founder Contacts

30,000+ verified contacts

Biotechnology
$21.0M
raised

Endogena is a biotech company that develops endogenous regenerative medicines to repair and regenerate tissues and organs.

Dec 2021
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$82.0M
raised

Mendra uses AI to accelerate clinical development and commercialization of breakthrough medicines for diseases with high unmet need.

Jan 2026
Series A

Founder Contacts

30,000+ verified contacts

Enterprise Software
$3.0M
raised

Good2Go provides secure access and virtual queuing solutions

Dec 2024
Series A

Founder Contacts

30,000+ verified contacts

Enterprise Software
$23.0M
raised

Fast, predictable permitting for commercial project teams that build at scale.

Dec 2024
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Infrastructure
$15.0M
raised

bitdrift offers real-time mobile experience insights with its Capture product, focusing on app performance.

Dec 2023
Series A

Founder Contacts

30,000+ verified contacts

Comprehensive AI test automation for legacy and mainframe development, modernization, and migration.

Dec 2021
Series A

Founder Contacts

30,000+ verified contacts

Biotechnology
$70.0M
raised

ProLynx is a biotechnology company that develops proprietary drug-delivery technologies to extend the half-life of therapeutic molecules.

Dec 2025
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$52.0M
raised

Medra AI develops an autonomous scientific experimentation platform that combines robotics with artificial intelligence.

Dec 2025
Series A

Founder Contacts

30,000+ verified contacts

Architecture

Saltmine’s enterprise workplace platform empowers companies to create spaces where employees love to work.

Dec 2024
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Animation
$453K
raised

Rive is a real-time animation software provider.

Dec 2025
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$8.0M
raised

Gentrace develops a platform for testing and monitoring generative AI applications to assess AI model performance.

Dec 2024
Series A

Founder Contacts

30,000+ verified contacts

Collaboration
$12.2M
raised

Ditto allows teams to collaborate on consistent and effective copy.

Jan 2026
Series A

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$19.0M
raised

XBuild offers an AI-powered platform for construction tasks like estimation, supplementation, and instant financing.

Jan 2026
Series A

Founder Contacts

30,000+ verified contacts

$134K
raised

AI-powered platform enabling collaborative software development, analytics, automation, and intelligent decision-making at scale.

Jan 2024
Series A

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
Unlimited exports
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Marketing Automation
$10.0M
raised

Honeypot is a cutting-edge marketing technology company.

Jan 2023
Series A

Founder Contacts

30,000+ verified contacts

$20.0M
raised

Link provides merchants with an alternate, low-cost payment solution and enables shoppers to pay with bank accounts.

Jan 2023
Series A

Founder Contacts

30,000+ verified contacts

Apps
$16.0M
raised

Equals is a spreadsheet startup aiming to challenge and replace Excel with its next-generation spreadsheet.

Nov 2022
Series A

Founder Contacts

30,000+ verified contacts

Employment
$18.7M
raised

Community, Marketplace, Restaurants

Nov 2021
Series A

Founder Contacts

30,000+ verified contacts

Analytics
$12.0M
raised

Calixa is the Product-Led Sales platform that turns product data into closed won.

Nov 2021
Series A

Founder Contacts

30,000+ verified contacts

Showing 676 to 700 of 817 companies

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