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Seed Companies in San Francisco

Explore 3,301 seed startups based in San Francisco, United States. Access verified founder contact information and fundraising data.

Total Companies
3,301
Total Funding
$30.0M
Avg Funding
$1.2M
Industries
14

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Recently Funded Companies

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Artificial Intelligence (AI)
$300K
raised

Fortune AI is an AI orchestrator layer for physical operations

Jan 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Extrian Security offers AI-driven phishing simulations and real-time insights to train teams against social engineering threats.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Ndea develops frontier AI systems combining deep learning with program synthesis for AGI.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

Biopharma

LIFE AI is an AI-powered blockchain platform for decentralized science in genomics, enabling users to own, control, monetize personal data.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

Bioinformatics

Ligo Biosciences develops deep-learning models for enzyme design to reduce the cost of chemical manufacturing.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Artificial Intelligence (AI)

GoldenBasis is a B2B fintech company that aims to help self-clearing firms receive account transfers with AI.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

Information Technology

Vertical Bar builds process optimization platforms for system.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

Biotechnology
$1.1M
raised

Muse Bio is a biotechnology research centre that transforms menstrual blood into renewable mesenchymal stem cells.

Jan 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Mindfort AI is an Autonomous AI Security Agent platform that perform continuous penetration testing of your attack surface at massive scale.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$3.5M
raised

Interface provides an AI-powered industrial safety platform for the energy and chemicals industries.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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$512K
raised

Aerospace Development

Nov 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Ember delivers personalized weight loss coaching via daily AI phone calls and texts. No apps, no judgment.

Nov 2024
Seed

Founder Contacts

41,000+ verified contacts

Blockchain

Afropolitan is creating a Digital Nation to enable all Africans to build abundant lives. (A Network State)

Nov 2022
Seed

Founder Contacts

41,000+ verified contacts

The Intelligent Search Company gives humans and AI agents the ability to find the right needles in any haystack.

Jan 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artifact Lab levels up gamer rewards with universal player profiles.

Jan 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Advertising
$500K
raised

Velvet builds AI-powered video editing platform that creates cinematic AI videos and social media advertisements.

Jan 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Freestyle is a software development company which builds full stack applications with exceptional infrastructure using typescript.

Jan 2025
Seed

Founder Contacts

41,000+ verified contacts

Decentralized Finance (DeFi)

Rysk Finance is a derivatives decentralized market maker.

Jan 2025
Seed

Founder Contacts

41,000+ verified contacts

$9.0M
raised

The App Developer's missing operational framework to free AI from the lab and launch in production.

Jan 2025
Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$6.0M
raised

Dot Product is an AI based firm that offers voice agents that automates operations tasks and deliver reliable customer support.

Jan 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Artificial Intelligence (AI)

B2B SaaS Generative AI startup

Jan 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Blockchain
$1.5M
raised

CreatorX-Web3 creator economy platform

Jan 2025
Seed

Founder Contacts

41,000+ verified contacts

Information Technology
$1.0M
raised

Agentic coding system with an intelligent adaptive knowledge base for code security

Jan 2025
Seed

Founder Contacts

41,000+ verified contacts

Automotive

Same-Day Auto Repair for Commercial Fleets.

Jan 2025
Seed

Founder Contacts

41,000+ verified contacts

$4.5M
raised

Maritime Fusion specializes in the development and construction of high-temperature superconducting fusion reactors.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

Showing 3026 to 3050 of 3,301 companies

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3,301 Recently Funded Seed Startups in San Francisco (October 2026) — Page 122 | VCBacked