Security Venture Capital Firms

Browse 683 venture capital firms investing in Security startups. Every firm is verified — explore their thesis, check size, and portfolio, then get matched with the best-fit investors for your startup.

Verified Security VC firms

Rain Capital

Focuses on investing in early-stage infrastructure and enabling tools, with strong emphasis on developer tools and security-first AI solutions.

  • SaaS
  • Developer Tools
  • Other
  • Pre-Seed, Seed
  • $250K – $2.0M
  • San Francisco, CA
  • 2 portfolio companies

Raison d’Etre Ventures

Invests in transformative, early-stage Web3 and AI-enabled startups, with a particular focus on creator tools and decentralized platforms.

  • Other
  • AI / ML
  • Marketplace
  • Pre-Seed, Seed
  • $1.0M – $3.0M
  • New York, NY
  • 36 portfolio companies

Rampart Ventures

Investing in early-stage companies solving risk and security challenges with strong market applicability.

  • Security
  • Other
  • Pre-Seed, Seed
  • $100K – $1.0M
  • Austin, TX
  • 2 portfolio companies

Rare Ventures

Early-stage fund investing in technically differentiated infrastructure and enterprise software with durable moats.

  • Developer Tools
  • Enterprise
  • SaaS
  • Pre-Seed, Seed, Series A
  • $500K – $5.0M
  • San Francisco, CA
  • 10 portfolio companies

Recess Ventures

Focused on indoor sports and leisure projects, Recess Ventures supports ventures that refurbish community activity spaces and high-demand sports offerings.

  • Other
  • SaaS
  • Security
  • Seed
  • $300K – $2.5M
  • Philadelphia, PA
  • 9 portfolio companies

Red Tree Ventures

Investing in innovative B2B and cybersecurity startups solving unique enterprise challenges, with an emphasis on founders outside traditional hubs.

  • SaaS
  • Security
  • Other
  • Seed
  • $250K – $1.0M
  • Austin, TX
  • 1 portfolio company

RedSeed

Cybersecurity investor appearing in early-stage security rounds. The source indicates activity in app security and cybersecurity syndicates.

  • Security
  • Seed, Series A

RedShield Ventures

Invests in transformative cybersecurity and data privacy startups for enterprise clients, with a growing focus on AI infrastructure.

  • Security
  • Other
  • AI / ML
  • Seed, Series A
  • $1.0M – $5.0M
  • New York, NY
  • 1 portfolio company

Redwood Foundry

Specializes in early-stage investments in SaaS solutions redesigning workplace productivity and corporate learning experiences.

  • SaaS
  • Other
  • AI / ML
  • Pre-Seed, Seed
  • $150K – $1.0M
  • Portland, OR
  • 170 portfolio companies

RegTech Investors

Investing in cutting-edge RegTech startups transforming regulatory compliance and security infrastructure.

  • Other
  • SaaS
  • Security
  • Pre-Seed
  • $250K – $750K
  • New York, NY
  • 1 portfolio company

Remus Capital

Invest early in founders using applied AI to transform large traditional industries; hands-on, operator-led, long-term partnership with emphasis on Seed through Series B.

  • Enterprise
  • Fintech
  • Security
  • Pre-Seed, Seed
  • $100K – $20.0M
  • Boston, Massachusetts, United States
  • 28 portfolio companies

Rift Valley Ventures

Invests in scalable startups improving lives across Africa by leveraging HealthTech, cybersecurity, and data solutions.

  • Healthcare
  • Security
  • Other
  • Pre-Seed, Seed
  • $100K – $750K
  • Cape Town, South Africa
  • 5 portfolio companies

Right Side Capital Management

High-volume pre-seed/seed investor writing many small checks into software startups.

  • Other
  • AI / ML
  • Developer Tools
  • Pre-Seed, Seed
  • $50K – $500K
  • San Francisco, CA
  • 16 portfolio companies

Rising Tide VC

Rising Tide VC is an emerging manager focused on the convergence of enterprise tools, cybersecurity, and the future of work at pre-seed and seed stages.

  • SaaS
  • Other
  • Security
  • Pre-Seed, Seed
  • $250K – $1.5M
  • San Diego, CA
  • 108 portfolio companies

Risk AI Ventures

Invests in AI-driven risk detection and assurance technologies for large enterprises.

  • Other
  • Enterprise
  • SaaS
  • Pre-Seed, Seed
  • $200K – $1.5M
  • New York, NY
  • 57 portfolio companies

Rivos Capital

Invests in cybersecurity start-ups with innovative enterprise applications, especially in financial and regulatory compliance.

  • Security
  • Other
  • SaaS
  • Pre-Seed
  • $250K – $1.0M
  • Austin, TX
  • 1 portfolio company

Roadster Capital

Emerging fund manager focused on modernizing the industrial base through automation, security, and sustainability. The mandate spans deep tech, AI, defense, manufacturing, and robotics.

  • Deep Tech
  • AI / ML
  • Other
  • Seed
  • 8 portfolio companies

Runtime Ventures

Invests in foundational software systems ensuring infrastructure integrity, AI safety, and deterministically reliable enterprise solutions.

  • Other
  • Enterprise
  • Developer Tools
  • Seed, Series A
  • $1.0M – $4.0M
  • Toronto, Canada
  • 36 portfolio companies

Rush Ventures

Early-stage investor in enterprise SaaS with operator support.

  • SaaS
  • Enterprise
  • Other
  • Pre-Seed, Seed
  • $250K – $1.0M
  • San Francisco, CA
  • 3 portfolio companies

S Capital

Early-stage investor focused on AI, fintech, and enterprise software. The firm targets companies with strong growth potential and disruptive technologies.

  • AI / ML
  • Fintech
  • Enterprise
  • Pre-Seed, Seed
  • $100K – $500K
  • Barcelona, Spain
  • 7 portfolio companies

SAP.iO

SAP’s early-stage program/investor supporting B2B SaaS that can integrate with SAP and modernize enterprise workflows.

  • Enterprise
  • SaaS
  • Developer Tools
  • Pre-Seed, Seed
  • $250K – $2.0M
  • New York, NY
  • 12 portfolio companies

SFC Capital

Very early-stage UK investor with broad software exposure and a large seed portfolio. Useful for an initial institutional anchor, though check sizes are smaller than the target.

  • SaaS
  • AI / ML
  • Real Estate
  • Pre-Seed, Seed
  • $50K – $250K
  • London, England, United Kingdom
  • 294 portfolio companies

SMB.vc

A micro-fund solely focused on software platforms that empower SMBs to grow and compete.

  • SaaS
  • Other
  • Security
  • Seed, Series A
  • $500K – $1.5M
  • San Francisco, CA
  • 21 portfolio companies

SPC (Seed Plus Capital)

SPC invests in early-stage SaaS and AdTech startups creating measurable growth in marketing and advertising.

  • Other
  • SaaS
  • Security
  • Pre-Seed, Seed
  • $500K – $2.0M
  • New York, NY
  • 33 portfolio companies

Showing 481–504 of 683 firms — page 21 of 29.

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