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Pre-Seed Companies in San Francisco

Explore 1,502 pre-seed startups based in San Francisco, United States. Access verified founder contact information and fundraising data.

Total Companies
1,502
Total Funding
$1.5M
Avg Funding
$60K
Industries
9

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Artificial Intelligence (AI)

Humwork is an technology platform that connects AI agents to human experts such as engineers, lawyers, doctors, researchers, and more.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Deep Interactions provides a collaborative AI platform for teams to build, deploy, and manage AI applications.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Wato is an enterprise AI workspace providing an orchestration layer for shared agent memory, reusable workflows, and collaborative tools.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Infera develops an AI operating system for laboratories that converts scientific protocols into validated, instrument ready workflows.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Advanced Materials

Matforge develop AI systems that act as scientists, finding the advanced materials needed to build better microchips and faster datacenters.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Artificial Intelligence (AI)

smol machines provides tools to build, run, and package portable hardware-isolated Linux virtual machines for software development.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Voquill is a AI-native operating system that manages workflow, coding, compliance, and revenue for medical labs.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Agentic AI
$500K
raised

Clawvisor provides a credential-vaulting gateway and authorization layer for AI agents accessing external services.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Parrot is the AI management platform for collision repair shops, handling customer interactions, insurance claims, and shop operations.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Aster is an AI autonomous research lab to automate open-ended research: research that defines its own problems before it can answer them.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Cyber Security

Silmaril secures enterprise generative AI tools by deploying automated, real-time firewalls to stop complex prompt injection attacks.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

jo is a personal AI assistant chatbot that connects apps to deliver a daily morning brief and to-do list based on the user.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Arzana is an AI firm that automates quoting, order entry, purchasing, and administrative workflows for manufacturing companies.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

CleanTech

AICE Power develops autonomous subsea drones for monitoring and protecting critical infrastructure and underwater security operations.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Fuchsia is a AI native service provider company that offers a platform for hardware compliance and documentation services.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Artificial Intelligence (AI)

Elyra Systems is an AI-powered reservation software for restaurants, handling calls, emails, bookings, and table management.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Gravy Finance is a fintech company building an AI agent that helps users manage spending, automate finances, and track savings.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Application Performance Management

Superlog provides an AI-native observability platform that automates telemetry setup, incident analysis, and code-level bug remediation.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Juno provides an AI health companion for chronic illness management, symptom tracking, and care coordination.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Kinect AI develops AI software for e-commerce brands, including shopping assistants, adaptive product pages, and intent-based search tools.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

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41,000+ verified emails
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Electronics

Nine Fives develops networked, driverless RF test equipment and control software for electronic measurement applications.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Limrun provides remote Xcode, iOS simulators, and Android emulators that enable cloud-based AI agents to build and test mobile apps.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Pentagon develops software for coordinating AI agents, enabling communication, task management, and shared memory.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Shotwell AI is a developer of an AI-powered customer research platform automating qualitative insights.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

AI Infrastructure

InLoop Robotics develops bimanual robotic systems and RaaS solutions for manufacturing, assembly, and logistics workflows.

Jun 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Showing 301 to 325 of 1,502 companies

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1,502 Recently Funded Pre-Seed Startups in San Francisco (October 2026) — Page 13 | VCBacked