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
$21.7M
Avg Funding
$868K
Industries
12

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

Gigacatalyst provides an embedded AI customization layer that lets B2B SaaS users build apps, dashboards, and automated workflows.

May 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

PerfectBit provides verifier grounded multimodal training data for advanced AI models and research systems.

May 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

PLAN0 AI provides an AI-powered preconstruction cost intelligence platform for real estate and construction stakeholders.

May 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)

Clara is an AI-first primary care and longevity practice, it pairs continuous health monitoring via AI with real, licensed clinicians.

May 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$1.0M
raised

Soopra.AI develops an AI-powered personality engine for authentic digital reflections.

May 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

Surtr Defense Systems is a developer of AI-powered software layer that combine different drone technologies into one command system.

May 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Business Process Automation (BPA)
$2.2M
raised

Saile is an AI-enabled healthcare staffing marketplace connecting doctors and advanced practice providers with clinical &non-clinical gigs.

May 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

$300K
raised

Your local AI agent that sells your home for you. Commission free.

May 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Electronic Design Automation (EDA)
$2.2M
raised

Rapid semiconductor manufacturing

May 2025
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$400K
raised

automation of sales admin work - from updating SFDC fields to follow up emails, creation of pitch-decks and account plans, using LLMs

May 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
Advertising
$1.9M
raised

The AI Platform for Creative Talent Management

May 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Heating
$4.0M
raised

Personalized electric heating systems for restaurants and outdoor spaces—reducing costs and improving guest comfort.

May 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Cloud Infrastructure
$1.0M
raised

Cross-border payments infrastructure for the next century of commerce

May 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Klarify is a developer of AI practice management platform automating therapists’ administrative workflows.

May 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Financial Services
$250K
raised

Belay is a fintech company that provides income volatility protection for gig workers.

May 2022
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
Content Creators
$2.0M
raised

Plan, produce, review, and publish streaming and on-demand video content.

May 2022
Pre-Seed

Founder Contacts

41,000+ verified contacts

AI Infrastructure
$500K
raised

Wearable that decodes inner voice

Apr 2026
Pre-Seed

Founder Contacts

41,000+ verified contacts

Bitcoin

SimpleHash is an NFT data platform that specializes in infrastructure for multi-chain NFT indexing and querying.

Apr 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Analytics
$500K
raised

Narrative is an AI-powered invoice audit, analytics, and payment tool for logistics.

Apr 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

OpenSight provides AI-powered customer support automation services.

Apr 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
Energy
$500K
raised

Upfront helps merchants that sell clean energy products by turning billions of dollars of rebates into lower prices.

Apr 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Struct is a software development company that provides a platform for realtime AI voice agents.

Apr 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Hire your AI Product Team

Apr 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

Diffuse Bio develops an automated AI software platform for drug design, leveraging advances in generative AI.

Apr 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Artificial Intelligence (AI)
$500K
raised

TorMagnus Pharmaceuticals is a drug discovery firm dedicated to discovering treatments for Peroxisomal disorders.

Apr 2023
Pre-Seed

Founder Contacts

41,000+ verified contacts

Showing 451 to 475 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