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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
$77.3M
Avg Funding
$3.1M
Industries
14

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Recently Funded Companies

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$2.5M
raised

Noema identifies emerging economic opportunities, market formations, and future industry categories.

Feb 2026
Seed

Founder Contacts

41,000+ verified contacts

Information Technology
$4.9M
raised

Disket is a company that offers technology related products and services.

Feb 2026
Seed

Founder Contacts

41,000+ verified contacts

Apps

Maple is a family tech app using AI and machine-learning technology.

Feb 2025
Seed

Founder Contacts

41,000+ verified contacts

Developer Tools
$120K
raised

Watermelon offers an open-source copilot for code review

Feb 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$250K
raised

AI-native upstream kidney-risk infrastructure layer detecting kidney function decline before labs and symptoms.

Feb 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Artificial Intelligence (AI)
$3.0M
raised

Clera is an AI talent agent that introduces candidates directly to startups based on their goals, skills, and preferences.

Feb 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Generative AI
$565K
raised

Non-invasive brain computer interfaces to change the way we communicate- Foundation models for thoughts-to text, image and speech.

Feb 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Digital Marketing
$580K
raised

Performance Marketing Co-pilot

Feb 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Lighthouz AI creates tools to automate B2B purchasing, boosting procurement team productivity and saving costs.

Feb 2025
Seed

Founder Contacts

41,000+ verified contacts

Blockchain
$9.0M
raised

Delegate focuses on increasing the security of on-chain identities and digital asset management such as NFTs and ERC20 tokens.

Feb 2024
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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$1.6M
raised

AIKO develops artificial intelligence and robotics software systems for business and industrial applications.

Feb 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$5.0M
raised

AI Fantasy is a new AI social platform driven by 50B+ parameter LLM

Feb 2023
Seed

Founder Contacts

41,000+ verified contacts

Information Services
$500K
raised

Homeflow provides multiple insurance quotes for real insurance investors.

Feb 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Blockchain
$6.0M
raised

Fungify is a non-custodial NFT index and algorithmic lending protocol.

Feb 2023
Seed

Founder Contacts

41,000+ verified contacts

Biopharma
$6.4M
raised

Michroma is a fungal biofactories to produce the next generation of ingredients.

Feb 2023
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Artificial Intelligence (AI)
$400K
raised

Bridging the gap between complex medical jargon and patient understanding through AI-driven visualization. B2B, B2C

Feb 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$6.3M
raised

Manufact provides open-source developer tools and infrastructure for the model context protocol.

Feb 2026
Seed

Founder Contacts

41,000+ verified contacts

E-Learning

Game-based AI engagement SaaS for Mental Health Therapists

Feb 2026
Seed

Founder Contacts

41,000+ verified contacts

Aerospace
$10.0M
raised

Autonomous, Expedited, Unmatched Aerial Deliveries

Feb 2026
Seed

Founder Contacts

41,000+ verified contacts

$6.2M
raised

Era is a financial management platform driven by AI that makes asset management more accessible.

Feb 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Analytics
$750K
raised

Reactual is a cloud-native, collaborative metrics creation and management platform.

Feb 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$3.7M
raised

An AI-powered RPA platform enabling automation of repetitive daily tasks that seamlessly integrates with your existing software tools.

Feb 2022
Seed

Founder Contacts

41,000+ verified contacts

$2.5M
raised

Continuum is a free short-form, TikTok style video and carousel course platform for vocational learners worldwide.

Feb 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

Financial Services
$3.0M
raised

NachoNacho is a marketplace for businesses to manage and buy SaaS products and services powered with Fintech and AI features.

Feb 2022
Seed

Founder Contacts

41,000+ verified contacts

Gaming
$4.0M
raised

Azarus is a new game challenge network that allows gamers and streamers to engage with each other in unprecedented ways.

Feb 2022
Seed

Founder Contacts

41,000+ verified contacts

Showing 1526 to 1550 of 3,301 companies

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3,301 Recently Funded Seed Startups in San Francisco (October 2026) — Page 62 | VCBacked