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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
$90.2M
Avg Funding
$3.6M
Industries
10

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Artificial Intelligence (AI)
$7.0M
raised

Cactus offers AI-driven tools to handle admin tasks, qualify leads, manage schedules, answer calls, and engage clients.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

Information Technology
$20.0M
raised

Wabi engages as a social platform where anyone can quickly create tiny apps using instructions.

Nov 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Biotechnology
$6.7M
raised

Hepta Bio detect, monitor, and direct the most effective liver treatment.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Maximize your investment returns with our intelligent investment assistant.

Jan 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Pinch is a telecommunication company that allows users to video Call with real-time audio langauge translation.

Jan 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Artificial Intelligence (AI)
$20K
raised

FLUIX is an Enterprise AI CoPilot that saves critical buildings such as data centers up to 40% in energy costs.

Jan 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Communities
$450K
raised

Bring Buzzability to Your Events!

Jan 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Software
$404K
raised

Paycrest decentralized payment routing protocol enabling secure conversion and settlement between stablecoins and fiat.

Jan 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Health Care
$2.1M
raised

Planbase automates scheduling, workforce management, and capacity planning for the healthcare sector.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$1.7M
raised

AI interpreter for global teams

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

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

Semiotic develops AI-powered tools and a web-based platform for website design and creative production.

Nov 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

$2.0M
raised

Predictive SaaS enabling a zero carbon built environment.

Nov 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$5.0M
raised

Mesa builds infrastructure for AI native software with a versioned filesystem that helps agents manage, track, and collaborate on files.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Parley automates flat-fee legal work for immigration lawyers by using LLMs to handle the writing-intensive tasks of visa applications.

Jan 2025
Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$5.0M
raised

Thoras.ai is an AI cloud management platform that provides ML technology to detect symptoms for downtime prevention.

Jan 2025
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Analytics
$500K
raised

Customer-facing analytics as a service, powered by AI.

Jan 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

Cryptocurrency
$2.3M
raised

Wagmi provides a platform for family offices and institutions to invest in the protocol's ecosystem.

Jan 2022
Seed

Founder Contacts

41,000+ verified contacts

$3.5M
raised

Guardians Collective provides a community platform for parenting.

Nov 2021
Seed

Founder Contacts

41,000+ verified contacts

Chemical
$7.5M
raised

Ammobia is a chemical manufacturing company that specializes in the clean production of ammonia through renewable hydrogen and air.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$3.8M
raised

AlphaLit is an artificial intelligence-based legal tech company that handles marketing and client intake for law firms.

Jan 2026
Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Health Care
$11.0M
raised

Popai Health uses care coordination calls to extract important insights.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$3.1M
raised

AI receptionist that automates phone calls for medical clinics.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Logical offers a desktop AI co-pilot that understands context across apps, automates tasks, and maintains user data locally.

Nov 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$3.0M
raised

GitLaw is a free and simple way to create and organize legal docs.

Nov 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Health Care
$4.1M
raised

Mecha Health is a healthtech company that develops digital tools for remote injury assessment, monitoring, and treatment plans.

Nov 2025
Seed

Founder Contacts

41,000+ verified contacts

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