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Pre-Seed Companies in San Francisco

Explore 1,504 pre-seed startups based in San Francisco, Panama. Access verified founder contact information and fundraising data.

Total Companies
1,504
Total Funding
$12.5M
Avg Funding
$500K
Industries
7

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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

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

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

Financial Services
$500K
raised

tash is an investment platform that offers professionally managed indices and fractional shares of iconic trading cards.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

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

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

Codag cuts coding-agent costs by optimizing large tool outputs like logs and test results so agents consume fewer tokens.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Wondering is an AI learning platform that helps users master any topic through personalized, visuals, podcasts, and interactive exercises.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Realpact is an AI-powered real estate platform that automates transactions, contracts, workflows, and compliance.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Tracer is an AI platform that helps companies use the right AI model for each task by combining models, company context, and tools.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Analytics
$500K
raised

Atlia provides AI-native short-term rental management services for property owners.

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

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

Agent FM is AI desktop application that helps users to complete the described tasks across files, browser, and inbox.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

$500K
raised

hardware intelligence builds agent-native toolchains and automated design workflows to streamline semiconductor chip development.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

$500K
raised

hardware intelligence builds agent-native toolchains and automated design workflows to streamline semiconductor chip development.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Amorphic Labs develops AI agents that create personalized product demo videos for sales and customer success teams.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Ready to Reach These Founders?

Get verified contact info for decision-makers at 1,504 funded startups

41,000+ verified emails
Unlimited exports
No credit card required
Artificial Intelligence (AI)
$500K
raised

Dawn Industries is an AI platform that builds VIM, an intelligent system for diagnosing and fixing faults in industrial automation cells.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

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

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

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

$500K
raised

Prodigy Research trains foundation models and autonomous AI agents for quantitative trading across global financial markets.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Ready to Reach These Founders?

Get verified contact info for decision-makers at 1,504 funded startups

41,000+ verified emails
Unlimited exports
No credit card required
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

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

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

Artificial Intelligence (AI)
$500K
raised

Markov is a data engineering company that builds expert computer-use datasets for frontier AI labs.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Markov is a data engineering company that builds expert computer-use datasets for frontier AI labs.

Sep 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Showing 126 to 150 of 1,504 companies

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