Flex Capital
VC Fund
San Francisco, United States
Flex Capital is an early-stage venture capital firm backing world-class founders at the pre-seed and seed stages. We write initial checks between $200K and $2M, with significant reserves from our $200M committed capital to support our companies in future rounds. Founded and led by serial entrepreneurs, Flex is capital for founders, by founders. Our team includes the founding CEOs of companies like LiveRamp, Brightroll, Lemonaid Health, SafeGraph, and Pipedream. We know what it’s like to build from zero—and we show up for our founders with conviction, speed, and long-term commitment. We don’t burden entrepreneurs with unnecessary overhead or legal complexity. We pledge our voting shares back to founders and never give up on the companies we back. We make decisions quickly—usually within a week—and actively help our portfolio raise follow-on capital, close customers, and access strategic angels. Flex is a generalist firm, open-minded by design and focused on bold visions that push the boundaries of what’s technically possible.
- Total investments:
- 173
- Last investment:
- Lead investor:
- 5%
- Last fund:
Last updated:
For AI agents: llms.txt
Industries Flex Capital invests in
Stages Flex Capital invests in
Countries Flex Capital invests in
Round sizes
Contacts
| Name | Phone | Socials | |
|---|---|---|---|
Round size
- Seed
- $775k–$9.5M
- Pre-Seed
- $500k–$3.3M
- Series A
- $7M–$26M
Investment Focus
Industry
- Software 66 (38%)
- Artificial Intelligence 44 (25%)
- SaaS 24 (14%)
- Information Technology 22 (13%)
- Analytics 16 (9%)
Stage
- Seed 72 (42%)
- Series A 31 (18%)
- Pre-Seed 22 (13%)
- Series B 15 (9%)
- Venture - Series Unknown 11 (6%)
Country
- United States 123 (71%)
- Canada 4 (2%)
- Germany 4 (2%)
- France 2 (1%)
- Singapore 2 (1%)
Team
| Name | Title | Investments | Links | |
|---|---|---|---|---|
Auren Hoffman
General Partner
|
General Partner | Total investments: 140 | Find email | |
David Hahn
Limited Partner & Investor
|
Limited Partner & Investor | Total investments: 3 | Find email | |
Paul Johnson
General Partner
|
General Partner | Total investments: 22 | Find email | |
Tod Sacerdoti
Founder, General Partner
|
Founder, General Partner | Total investments: 42 | Find email |
Investments
| Company | Description | Round | Links |
|---|---|---|---|
| Ampersand is a company that creates a developer platform to assist SaaS companies in building user-facing integrations for their products. It reduces engineering and customer support time spent on creating and managing deep integrations with your customers' Systems of Record. | $15M / Series A / Oct 06, 2026 | ||
| Atorie is an online platform connecting luxury factories with customers that handles everything from logistics to customer acquisition. | $9.5M / Seed / Aug 27, 2026 | ||
| CodeRabbit is an artificial intelligence company that offers detailed, line-by-line code suggestions and reviews within lines of code. | $143M / Series C / Aug 12, 2026 | ||
| Uniti AI develops artificial intelligence agents designed to assist real estate professionals by engaging, qualifying, and scheduling leads through various communication channels, including email, SMS, WhatsApp, and website chat, operating around the clock. The platform offers customization options, allowing users to tailor qualificationquestions, messaging styles, and escalation protocols without requiring coding skills. Uniti AI's solutions cater to diverse real estate sectors such as self-storage, coworking spaces, multifamily housing, brokerages, and event venues. By automating routine tasks, the company aims to enable human teams to focus on strategic, high-value activities. | $12M / Series A / Jul 21, 2026 | ||
| Statecraft develops AI workers for government agencies, automating public sector workflows with transparent, and accountable systems. | Venture - Series Unknown / Jul 02, 2026 | ||
| Windkey is developing an AI powered software platform. | Venture - Series Unknown / Jul 02, 2026 | ||
| Legaltech startup from Germany https://beglaubigt.de | $3.3M / Seed / Apr 16, 2026 | ||
| Citra provides modular sensing and software solutions for detecting, tracking, and identifying orbiting objects to ensure safe and sustainable space operations for all. | $15M / Series A / Apr 13, 2026 | ||
| Giant is an AI-powered digital studio delivering personalized storytelling experiences fostering children's creativity, curiosity, learning. | $8M / Seed / Feb 23, 2026 | ||
| BEAMRaiL Provides AI-powered software for law enforcement agencies. | $700K / Pre-Seed / Jan 28, 2026 | ||
| See all 173 investments → | |||
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FAQ
What does Flex Capital invest in?
Flex Capital invests primarily in Software, Artificial Intelligence and SaaS startups, most often at Seed and Series A stage. Most of the 173 investments tracked by Shizune back companies in United States. The Investment Focus section breaks down every industry, stage and country in the portfolio.
What round sizes does Flex Capital invest in?
Flex Capital typically joins rounds of $775k–$9.5M at Seed, $500k–$3.3M at Pre-Seed and $7M–$26M at Series A. These are whole funding-round sizes, not Flex Capital's own check, which is rarely disclosed: the 10th–90th percentile of the confirmed public funding rounds Flex Capital took part in.
How do I contact Flex Capital?
Public channels for Flex Capital include LinkedIn, X (Twitter) and the website linked on this profile. For a verified work email and phone number, create a free Shizune account — contact data is searched across 20+ sources and validated before delivery, so your outreach lands in the right inbox.
Who are the partners at Flex Capital?
The team at Flex Capital includes Auren Hoffman (General Partner), David Hahn (Limited Partner & Investor) and Paul Johnson (General Partner). The Team section lists each member with their title, investment count and links.
Is Shizune's investor data accurate?
Yes — every stat on this profile is calculated from confirmed public funding rounds monitored across hundreds of sources since 2020. This profile was last refreshed in Oct 2026 and is updated monthly. Spotted something off? Use the “Suggest an edit” link near the top of the page.
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