Skip to main content

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
$16.9M
Avg Funding
$678K
Industries
11

Export 1,504 Pre-Seed Companies in San Francisco

Get founder emails, funding data, and company details in one CSV

Start Free Trial

Recently Funded Companies

Export
Artificial Intelligence (AI)
$500K
raised

Sciloop is an AI co-scientist platform that automates machine learning research workflows from hypothesis to experiments and analysis.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Semble AI automates fire and life-safety system design using AI to turn manual workflows into code-compliant processes.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Aerospace
$500K
raised

Wardstone is a space defense-tech company developing next-generation capabilities to protect from missiles and other space-based threats.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Veria Labs is a cybersecurity company that provides AI-powered continuous penetration testing services targeting high-stakes industries.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Velum Labs provides a firewall that redacts sensitive information in data and documents.

Dec 2025
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

Imagine AI is an AI powered B2B content assistant that builds persona driven writing and engagement pipelines.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

$500K
raised

The Context Company offers observability tools for AI agents that detect when they fail and pinpoint the location of issues.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Hardware
$500K
raised

Tensr specializes in the creation of autonomous robotic factories.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Sylvian provides a platform for generating expert data, evaluating, and improving specialized AI agents.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Soren AI is an artificial Intelligence firm that builds autonomous agents to replace human engineers on manual AI evaluation tasks.

Dec 2025
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

Claybird offers an AI video ad creation agent that plans, generates, edits, and publishes ad videos from concept to release.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Clad Labs is the developer of a coding environment designed to integrate entertainment and productivity with AI.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Metorial is an open-source integration platform for agentic AI that connects AI agents to external tools and data via MCP.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Clicks is an AI platform that automates back-office tasks like CRM updates, report generation, and data entry for businesses.

Dec 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Software
$1.8M
raised

Broadcast offers a platform for writing and sharing updates across different channels, such as email, Slack, and social media.

Jan 2023
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
Corporate Training
$1.1M
raised

Spear phishing simulation & security awareness training

Dec 2021
Pre-Seed

Founder Contacts

41,000+ verified contacts

Data Visualization
$250K
raised

Thruline develops ERP systems that automate workflow, integrate systems, and visualize data for manufacturing companies.

Jan 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

$1.5M
raised

Autonomous Customer Acquisition

Jan 2024
Pre-Seed

Founder Contacts

41,000+ verified contacts

$500K
raised

Building the future of multimodal AI

Dec 2025
Pre-Seed

Founder Contacts

41,000+ 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

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

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

Jan 2023
Pre-Seed

Founder Contacts

41,000+ 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

41,000+ verified contacts

$3.8M
raised

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

Dec 2021
Pre-Seed

Founder Contacts

41,000+ 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

41,000+ 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

41,000+ verified contacts

Showing 1351 to 1375 of 1,504 companies

Ready to Connect with Pre-Seed Startups in San Francisco?

Get verified founder emails, funding details, and company data for 1,504 pre-seed companies in San Francisco.

Get Started - Access Contact Information

Join thousands of sales teams, investors, and service providers using VCBacked