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Seed Companies in San Francisco

Explore 3,217 seed startups based in San Francisco, United States. Access verified founder contact information and fundraising data.

Total Companies
3,217
Total Funding
$223.2M
Avg Funding
$8.9M
Industries
15

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FinTech
$2.0M
raised

Hardfin is a fintech platform for equipment manufacturers to offer subscriptions to their customers.

Dec 2022
Seed

Founder Contacts

30,000+ verified contacts

$250K
raised

Shark AI Capital Corporation is a commercial lending company that uses both AI and human apporach.

Dec 2021
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Felix for Slack uses generative AI to help with your writing in Slack.

Jan 2023
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$5.0M
raised

Blockit AI delivers an AI scheduling agent that coordinates, books, and reschedules meetings across calendars and time zones.

Jan 2026
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$150.0M
raised

Inferact mission is to accelerate AI progress by making inference cheaper and faster.

Jan 2026
Seed

Founder Contacts

30,000+ verified contacts

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Advertising
$5.4M
raised

Playad.ai develops an AI-native marketing platform for multi-agent ad workflows and interactive ad creatives.

Jan 2026
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$9.0M
raised

Grepr provides AI-driven log filtering and observability to cut data volume, support SAML SSO, and maintain SOC 2 compliance.

Jan 2025
Seed

Founder Contacts

30,000+ verified contacts

Consulting

Spherecast is Software Development firm supporting multi channel E commerce businesses by Solving out of stock and overstock problems.

Dec 2024
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$3.5M
raised

Ocurate is a startup using artificial intelligence to predict customer lifetime value for e-commerce businesses.

Dec 2021
Seed

Founder Contacts

30,000+ verified contacts

Developer Tools

Metriport is an open-source platform that makes it easy for healthcare organizations to access and exchange medical data for their patients.

Dec 2022
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
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Health Care
$5.0M
raised

Sequel has created a tampon designed to prevent leakage.

Dec 2021
Seed

Founder Contacts

30,000+ verified contacts

$3.8M
raised

Builtfirst is a developer of multi-use partner marketplace platform.

Dec 2021
Pre-Seed

Founder Contacts

30,000+ verified contacts

Finance
$250K
raised

Propersum shows property buyers the best short-term rental investments for sale with rental financials backed by local property managers.

Dec 2021
Pre-Seed

Founder Contacts

30,000+ verified contacts

Apps
$9.7M
raised

Known is a SaaS company that offers an online dating app.

Dec 2025
Seed

Founder Contacts

30,000+ verified contacts

Data Management
$5.1M
raised

Aravolta provides software that helps data center operators monitor, control, and manage complex infrastructure through a unified platform.

Dec 2025
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
Unlimited exports
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Artificial Intelligence (AI)
$500K
raised

Lemma offers an AI platform that automates prompt optimization and continuous learning for model improvement.

Dec 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Castari is a software development company that build, deploy, and scale sandboxed AI agents.

Dec 2025
Pre-Seed

Founder Contacts

30,000+ verified contacts

Financial Services
$5.3M
raised

ThankUCash is a rewards and loyalty infrastructure for banks and businesses in Africa.

Dec 2021
Seed

Founder Contacts

30,000+ verified contacts

Content
$4.0M
raised

Savvy is an edtech company that offers generative AI to turn any content into flashcards.

Dec 2025
Seed

Founder Contacts

30,000+ verified contacts

Logistics
$500K
raised

AI that optimizes delivery routes, predicts vehicle breakdowns, and reduces fuel cost for courier and trucking companies.

Dec 2025
Seed

Founder Contacts

30,000+ verified contacts

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30,000+ verified emails
Unlimited exports
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Artificial Intelligence (AI)
$1.5M
raised

Katalist is an artificial intelligence creative platform that provides tools for converting written scripts into visual storyboards.

Dec 2025
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)
$5.4M
raised

Roger is empowering the home health care industry with breakthrough generative AI technology to solve the staffing crisis in elder care.

Dec 2024
Seed

Founder Contacts

30,000+ verified contacts

Artificial Intelligence (AI)

Hamming AI is an experimentation platform that helps teams build reliable AI products.

Dec 2024
Seed

Founder Contacts

30,000+ verified contacts

Adventure Travel

An app that helps plan multi-city trips in a few clicks

Dec 2023
Seed

Founder Contacts

30,000+ verified contacts

Flexspace is a corporate solution to discover, book, and manage on-demand workspaces with no commitment or upfront cost.

Dec 2021
Seed

Founder Contacts

30,000+ verified contacts

Showing 2751 to 2775 of 3,217 companies

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