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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
$28.8M
Avg Funding
$1.1M
Industries
10

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Developer Tools
$500K
raised

Waddle Labs builds LLM agents and generalist software infrastructure designed for real-time robotics control and learning.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Chromie is an AI system for government contracting that helps contractors find, qualify, and pursue federal and SLED opportunities.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Biotechnology
$500K
raised

Gutgutgoose builds personalized probiotics using microbiome sequencing, computational gut modeling, and made to order formulations.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Bizmark is an AI platform that automates and optimizes enterprise decisions across procurement, production, labor, and sales.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

CoArena provides a live evaluation platform and public leaderboard where AI computer-use agents race side-by-side on real-world tasks.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Artificial Intelligence (AI)
$500K
raised

Lamb Labs is building model processing units that hardcode AI models into silicon for faster, more efficient inference.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Riften is an AI infrastructure platform that reduces model costs and builds private, company-specific AI intelligence.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Bizmark is an AI platform that automates and optimizes enterprise decisions across procurement, production, labor, and sales.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Agentic AI
$5.0M
raised

Rekursiv AI develops autonomous systems that hypothesize, perform research, and design machine learning experiments.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

$500K
raised

Conifer provides AI routing gateway that optimizes token spend by intelligently routing queries across local hardware and cloud models.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Artificial Intelligence (AI)
$500K
raised

Verdant is an AI infrastructure and workflow automation platform for local government permitting and planning.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

AI Infrastructure
$500K
raised

OneTriangle optimizes LLM inference speed and cost by transferring the KV cache from smaller prefill models to larger decode models.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Kebra develops AI software that automates field-service documentation and back-office workflows.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Agentic AI
$500K
raised

Decawork AI provides software for IT teams to deploy, govern, and maintain internal AI agents.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Agentic AI
$500K
raised

Decawork AI provides software for IT teams to deploy, govern, and maintain internal AI agents.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Ready to Reach These Founders?

Get verified contact info for decision-makers at 3,301 funded startups

41,000+ verified emails
Unlimited exports
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Analytics
$500K
raised

Petrarch develops a data platform that sources, anonymizes, and restructures proprietary enterprise data for AI training.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

AI Infrastructure
$500K
raised

OneTriangle optimizes LLM inference speed and cost by transferring the KV cache from smaller prefill models to larger decode models.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Biotechnology
$500K
raised

Gutgutgoose builds personalized probiotics using microbiome sequencing, computational gut modeling, and made to order formulations.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Mosaic is a platform that brings AI coding sessions into one place, helping developers manage and work across coding agents.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$800K
raised

Adas Eco develops AI-powered infrastructure for warehouses, orchestrating intelligent forklifts and robotic through real-time intelligence.

Sep 2026
Seed

Founder Contacts

41,000+ verified contacts

Ready to Reach These Founders?

Get verified contact info for decision-makers at 3,301 funded startups

41,000+ verified emails
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Artificial Intelligence (AI)
$3.5M
raised

Hero is a comprehensive daily assistant app designed to help users manage and run their life all in one place.

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

Aerospace
$1.1M
raised

A7 is building AI-driven drone platform that detects and neutralizes landmines.

Sep 2025
Seed

Founder Contacts

41,000+ verified contacts

Blockchain
$1.4M
raised

GoldLink is a high yield borrowing modular risk management protocol on blockchain.

Aug 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Developer Platform

Changing the way people make and play mobile games

Aug 2023
Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$8.0M
raised

Feeling Great develops an AI mental health app that provides guided conversations based on cognitive behavioral therapy.

Aug 2024
Seed

Founder Contacts

41,000+ verified contacts

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