Pre-Seed Venture Capital Firms

Browse 6,770 venture capital firms that actively invest at the Pre-Seed stage. Every firm is verified — explore their thesis, check size, and portfolio, then get matched with the best-fit investors for your startup.

Verified Pre-Seed VC firms

OnChain Prop Investments

Investing in Asia-Pacific startups leveraging blockchain to disrupt real estate investment processes.

  • Real Estate
  • Other
  • Pre-Seed, Seed
  • $300K – $1.0M
  • Singapore
  • 1 portfolio company

Onchain Innovators Fund

Backing the next wave of blockchain innovations that reshape financial services and trading ecosystems.

  • Other
  • Fintech
  • Pre-Seed, Seed
  • $250K – $2.5M
  • New York, NY
  • 1 portfolio company

One Way Ventures

Invests in immigrant founders building scalable B2B and technical infrastructure solutions using AI.

  • Other
  • SaaS
  • Developer Tools
  • Pre-Seed, Seed
  • $250K – $2.0M
  • Boston, MA
  • 53 portfolio companies

Onyx Capital

Invests in crypto-enabled financial infrastructure enabling global money movement. Focused on early-stage startups in emerging markets.

  • Other
  • SaaS
  • Pre-Seed, Seed
  • $100K – $1.0M
  • London, UK
  • 2 portfolio companies

Opal Seed Fund

Opal Seed Fund specializes in pre-seed investments in fintech innovation targeted at underserved and high-growth markets globally, with an emphasis on payments and remittances.

  • Other
  • Fintech
  • SaaS
  • Pre-Seed, Seed
  • $50K – $300K
  • London, UK
  • 5 portfolio companies

Opal Ventures

Pre-seed healthcare fund focused on infrastructure that expands access to healthcare. Built for companies improving how care is delivered and accessed, which fits B2B SaaS workflows in healthcare oper...

  • Healthcare
  • Other
  • Pre-Seed, Seed

Open Financial Network

Open Financial Network backs early-stage companies that are creating the next generation of decentralized financial solutions and payment systems.

  • Other
  • Fintech
  • AI / ML
  • Pre-Seed
  • $300K – $1.2M
  • Miami, FL
  • 9 portfolio companies

Open Futures Fund

Open Futures Fund backs innovative startups in workplace transformations, productivity, and software solutions that reshape how we work.

  • Other
  • SaaS
  • Pre-Seed, Seed
  • $250K – $1.0M
  • London, UK
  • 2 portfolio companies

Open Horizons Fund

Focuses on innovative PropTech and travel solutions that redefine how spaces are used and experienced.

  • Other
  • Real Estate
  • Pre-Seed
  • $400K – $3.0M
  • Denver, CO
  • 1 portfolio company

Open-source and developer tooling micro-fund

Micro-fund focused on developer tools and open-source software, investing in technical founders in Europe and the US. The fund aims at very early-stage infrastructure companies.

  • Developer Tools
  • Other
  • Pre-Seed
  • $100K – $150K
  • Europe

OpenAI Startup Fund

Targets innovative companies leveraging AI/ML technology for transformative development.

  • AI / ML
  • Other
  • Pre-Seed, Seed
  • $50K – $1.0M
  • San Francisco, CA
  • 1 portfolio company

OpenFuture Ventures

OpenFuture Ventures is dedicated to investing in open-source and web infrastructure solutions, driving innovation through open ecosystems.

  • Other
  • Pre-Seed
  • $200K – $500K
  • Berlin, Germany

OpenLP Tech Fund

Focused on early-stage B2B SaaS companies with a strong foothold in LegalTech or SecurityTech.

  • Other
  • SaaS
  • Security
  • Pre-Seed, Seed
  • $50K – $200K
  • Austin, TX
  • 5 portfolio companies

OpenLedger Partners

Funding blockchain-enabled SaaS solutions for marketplaces, digital payments, and e-commerce.

  • Other
  • SaaS
  • Pre-Seed, Seed
  • $200K – $500K
  • London, UK
  • 1 portfolio company

OpenOcean

OpenOcean backs European-founded, AI-driven companies that use data as a competitive moat, particularly in AI-enabled services and automation, scalable AI computation, and agentic infrastructure and d...

  • Deep Tech
  • SaaS
  • Developer Tools
  • Seed, Pre-Seed, Series A
  • $2.3M – $5.7M
  • Helsinki, Finland
  • 8 portfolio companies

OpenSource Foundry

Investing in open-source tools that empower developers and enterprise solutions at the pre-seed stage.

  • Other
  • Developer Tools
  • SaaS
  • Pre-Seed
  • $75K – $150K
  • San Francisco, CA
  • 20 portfolio companies

OpenTrack Fund

Invests explicitly in music- and audio-focused startups working on creator-tech solutions, particularly ventures targeting hobbyists or small businesses.

  • Other
  • Pre-Seed, Seed
  • $25K – $200K
  • Austin, TX
  • 2 portfolio companies

Openseed VC

Invests in operator-founders in Europe & Africa building early stage tech companies with strong domains in fintech, SaaS, AI, focusing also on future commerce, work and health.

  • Fintech
  • AI / ML
  • SaaS
  • Pre-Seed
  • Up to $150K
  • London, UK
  • 3 portfolio companies

Operate Studio

Provides early-stage operational capital and support to software and marketplace companies with small, scalable market entries.

  • SaaS
  • Marketplace
  • Other
  • Pre-Seed, Seed
  • $300K – $3.0M
  • Orange County, California
  • 1 portfolio company

Operation Optimizers Fund

Invests in startups revolutionizing operational efficiency and supply chains.

  • Other
  • Pre-Seed, Seed
  • $250K – $4.0M
  • Chicago, IL
  • 1 portfolio company

Operational Analytics Fund

Focuses on funding next-gen operational analytics and AI-driven data tools for enterprise applications.

  • Other
  • AI / ML
  • Developer Tools
  • Seed, Pre-Seed
  • $300K – $4.0M
  • San Francisco, CA
  • 2 portfolio companies

Operative Capital

Invests in early-stage B2B SaaS startups that target operational teams and optimize workflows.

  • SaaS
  • Other
  • Enterprise
  • Pre-Seed, Seed
  • $250K – $2.0M
  • Austin, TX
  • 2 portfolio companies

Operative Edge Fund

Operative Edge Fund focuses on startups creating next-gen workflow tools for mid-sized enterprises, with a specific emphasis on finance teams.

  • Other
  • Enterprise
  • SaaS
  • Pre-Seed, Seed
  • $500K – $2.0M
  • Paris, France
  • 2 portfolio companies

Operator Collective

Invests in early-stage enterprise and B2B companies, including AI-forward companies, where its operator network can help founders grow.

  • Enterprise
  • Developer Tools
  • Pre-Seed, Seed
  • $500K – $1.5M
  • Palo Alto, California, United States
  • 68 portfolio companies

Showing 4297–4320 of 6770 firms — page 180 of 283.

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