FI

Firewall Capital

VC
San Francisco, CAWebsite
How to approach: cold outreach ok
Stage

Pre-Seed

Check Size

$500K – $2.0M

Portfolio

5+ companies

Team

4 partners

Investor activity
Investments in last 12 months: 0

Investment Thesis

Invests in pioneering cybersecurity startups that target B2B SaaS for enterprise protection.

How Firewall Capital invests

Firewall Capital is a vc firm based in San Francisco, CA. The firm invests at the Pre-Seed stage, with a focus on Security, SaaS, Developer Tools, AI / ML, Enterprise. It does not invest in Consumer Hardware.

Firewall Capital typically writes checks of $500K–$2.0M per investment.

Firewall Capital has backed 5 companies in our records, including SecureBot, Firewall (Firewall A.I.), Movement Labs.

Meet the Team

HR

Heath Rainwater

CEO

JY

James Yu

Partner

AI Security
Enterprise Infrastructure
VB

Virginia Bruce

CFP®, VP of Investments

J

Justus

Investment Director

Industry Focus

Invests In

Security
SaaS
Developer Tools
AI / ML
Enterprise

Does Not Invest In

Consumer Hardware

Portfolio Companies (5)

Other

SE

SecureBot

Cybersecurity
FI

Firewall (Firewall A.I.)

Cybersecurity / Web3 Infrastructure·Pre-Seed / Seed·Firewall Gen-1 LP

A Web3 security network that creates programmable protection layers to prevent smart contract exploits and malicious transactions in real-time.

MO

Movement Labs

Blockchain Infrastructure·Pre-Seed / Seed·Firewall Gen-1 LP

A modular framework and network of Move-based blockchains designed to bring the Move programming language to Ethereum and other ecosystems.

SP

Speakeasy

Developer Tools / Enterprise Software·Seed

An enterprise platform that automates the creation of API software development kits (SDKs) and Terraform providers to streamline developer workflows.

PO

Pontem Network

Web3 / Decentralized Finance (DeFi)·Seed / Venture Round·Firewall Gen-1 LP

A product development studio building foundational dApps, infrastructure, and tooling for the Aptos and Move ecosystems.

How to pitch Firewall Capital
  • Raising at Pre-Seed? You're squarely in their sweet spot.
  • Lead with your fit in Security, SaaS, Developer Tools — the sectors they actively back.
  • Size your ask to their typical $500K – $2.0M check.
  • cold outreach ok
  • Address your outreach to a specific partner, such as Heath Rainwater, CEO.
  • A warm introduction beats a cold email. Get matched and request an intro.

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