Flex Capital Partners
Venture capitalActively deployingSan Francisco · Pre-Seed–Series A · 10 people tracked
Also known as FLEX CAPITAL MANAGEMENT, L.L.C.
Investment thesis
Flex Capital invests at the seed stage as generalists with conviction, backing exceptional founders at the earliest stages. Its GPs are former founding CEOs who bring operator experience to their portfolio, offering hands-on help such as customer introductions, executive recruiting, and follow-on support. The firm reserves capital for follow-on investment, treating the first check as a starting point. It offers founder-friendly terms, including pledging voting shares back to founders so they retain control. Flex is backed by a network of 300+ limited partners made up of founders, CEOs, and investors who share deal flow and open doors, and every pitch is reviewed by a partner.
Source: firm website, verified Aug 7, 2026.
Team · 10 people
from the firm's website & public directories
What they invest in
from 27 of 42 portfolio companiesAI & Machine Learning ×17Data & Infrastructure ×11Developer Tools ×11Enterprise Software ×11SaaS ×8Cloud Computing ×7Fintech ×4AdTech ×3
HQs:United States×15
Investments · 42 tracked
founders shown can be your intro pathAppLovin operates a mobile advertising platform that helps businesses scale their products and marketing.
AdTechGamingMarketing TechPalo Alto, US
Eduardo Vivas(Director)Maggie Jin(Executive Officer)Herald Chen(Director)Adam Foroughi(Executive Officer, Director)
Vercel provides agentic infrastructure and deployment platform for building and hosting applications, agents, and platforms at scale.
AI & Machine LearningCloud ComputingDeveloper ToolsBeirut, US
Adelphi provides a federated data connectivity platform that gives intelligence analysts secure, permission-aware access to data scattered across disparate systems, agencies, and partners without moving or duplicating it.
AI & Machine LearningData & InfrastructureDefense Tech
Real-time in-meeting sales coaching powered by AI
AngelList's investor management platform provides tools for venture capital and private equity firms to streamline LP interactions, automate fund operations, and deliver reporting and portfolio updates through a branded digital experience.
Enterprise SoftwareFintechSaaS
Avlok Kohli(CEO)
Arbital Health provides an AI-powered platform to design, evaluate, and arbitrate the quality and performance of value-based healthcare interventions.
AI & Machine LearningDigital HealthHealthtechSan Francisco, US
Brian Overstreet(Co-founder)inTravis May(Co-founder)in
BoardScott Rosen(Director)Ian Duncan(Director)
The page presents Yahoo, a long-running internet company offering advertising and media solutions to help advertisers and partners reach target audiences.
AdTechMedia & Entertainment
Browser Use provides AI-powered browser automation infrastructure with anti-detection capabilities, CAPTCHA solving, and custom LLMs designed for web-based agent tasks at scale.
AI & Machine LearningData & InfrastructureDeveloper ToolsEnterprise SoftwareSan Francisco, US
CaptivateIQ provides a modern platform for automating commission and compensation management, helping companies align incentives with revenue outcomes.
AI & Machine LearningEnterprise SoftwareFintechSaaSSales TechSan Francisco, US
Mark Schopmeyer(Founder/CEO)inHubert Wong(Founder/CTO)inConway Teng(Founder)in
CodeRabbit provides AI-powered code review tools for developers to improve software quality and efficiency in development workflows.
AI & Machine LearningDeveloper ToolsWalnut Creek, US
Harjot Gill(Executive Officer, Director)Vishavjeet Kaur(Executive Officer)Guritfaq Singh(Executive Officer, Director)
LiveRamp is a data collaboration platform that connects first-, second-, and third-party data to enable AI-driven advertising and marketing for brands, publishers, and platforms.
AdTechData & InfrastructureMarketing TechSan Francisco, US
Scott Howe(CEO)
Juniper Square provides a fund operating system for private markets general partners, covering fundraising, investor onboarding, fund accounting, treasury, compliance, and investor reporting from a single data model.
AI & Machine LearningFintechSaaS
Replit is a platform for software development that aims to make app creation accessible to non-programmers through intuitive tools and AI agents.
AI & Machine LearningCloud ComputingCreator EconomyDeveloper ToolsEdTechEnterprise SoftwareSan Francisco, US
Haya Abdalla(Founder)inAmjad Masad(Founder)inHaya Odeh(Co-Founder, Design)Luis Héctor Chávez(CTO)
StackBlitz provides a browser-based development environment for creating and launching web applications, with code execution happening entirely within the user's browser using WebAssembly technology.
Cloud ComputingDeveloper Tools
Vercel is an infrastructure platform for building and deploying applications, with emerging support for agentic capabilities that allow AI agents and humans to collaborate in software development.
AI & Machine LearningCloud ComputingDeveloper ToolsSan Francisco, US
Guillermo Rauch(Founder)Geoff Lewis(Director)Daniel Levine(Director)Reid Christian(Director)
Frequently asked questions
- What stage does Flex Capital Partners invest at?
- Flex Capital Partners invests at the Pre-Seed, Seed, Series A stages.
- What is Flex Capital Partners's typical check size?
- Flex Capital Partners typically writes checks of $500K – $2M.
- What sectors does Flex Capital Partners focus on?
- Flex Capital Partners focuses on AI & Machine Learning, SaaS, Sector Agnostic.
- Where is Flex Capital Partners located?
- Flex Capital Partners is headquartered in San Francisco, US.
- Does Flex Capital Partners lead rounds?
- Flex Capital Partners typically participates in rounds rather than leading them.
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