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

Securely Ventures

Focused on investing in early-stage secure AI and B2B SaaS startups that ensure data integrity and compliance.

  • Security
  • SaaS
  • AI / ML
  • Pre-Seed, Seed
  • $300K – $3.0M
  • Austin, TX
  • 1 portfolio company

SecuriStart Fund

Dedicated to supporting early-stage cybersecurity startups with unique product offerings.

  • Security
  • Seed
  • $500K – $2.5M
  • Chicago, IL
  • 1 portfolio company

Security Mentors Capital

Focused on nurturing the next generation of cybersecurity training companies, emphasizing hands-on learning and skill development.

  • Security
  • Other
  • AI / ML
  • Seed
  • $800K – $4.0M
  • Austin, Texas
  • 60 portfolio companies

Security Seed Capital

Dedicated to investing in seed-stage cybersecurity startups with innovative technology solutions in Asia.

  • Security
  • Seed/Pre-Series
  • $50K – $250K
  • Singapore
  • 1 portfolio company

Seedcraft Ventures

Seedcraft Ventures backs marketplace and B2B SaaS startups with sustainable growth metrics and early-unit economics.

  • SaaS
  • Marketplace
  • Consumer
  • Seed
  • $1.0M – $5.0M
  • Austin, TX
  • 36 portfolio companies

Semantic Ventures

Invests in the future of enterprise tech with a focus on early-stage rounds in European B2B SaaS and cybersecurity startups.

  • Enterprise
  • SaaS
  • Security
  • Pre-Seed, Seed
  • $250K – $2.0M
  • London, UK

Sentinel Innovation Fund

Dedicated to fostering innovation in cybersecurity and enterprise sectors, with a particular interest in AI-driven solutions.

  • Security
  • Enterprise
  • Other
  • Pre-Seed
  • $200K – $1.5M
  • San Francisco, CA

Sentry AI Fund

Backing innovative startups in AI-enabled security systems for enterprise applications.

  • Security
  • AI / ML
  • Pre-Seed
  • $200K – $1.0M
  • Chicago, IL

Sequoia Capital (Scout Program)

Sequoia backs exceptional founders building ambitious companies, including at the earliest stages, and invests across stages from inception to IPO. Its public materials describe a broad technology foc...

  • Other
  • Fintech
  • AI / ML
  • Pre-Seed
  • $50K – $500K
  • Menlo Park, United States
  • 11 portfolio companies

Sequoia Scout Program

Scout network enabling pre-seed checks from trusted operators and investors connected to Sequoia.

  • Other
  • Enterprise
  • Consumer
  • Pre-Seed
  • $25K – $250K
  • Menlo Park, CA
  • 12 portfolio companies

ServiceNow Ventures

Strategic venture arm investing in enterprise software that advances digital workflows, IT, security, and automation.

  • Enterprise
  • Other
  • SaaS
  • Seed, Series A
  • $500K – $5.0M
  • Santa Clara, CA
  • 3 portfolio companies

Seventure Partners

French VC with a long history in digital technology and selected fintech/software investments. Can be a fit for product-led financial operations software with data and compliance elements.

  • Other
  • Fintech
  • Food / AgTech
  • Seed, Series A
  • $500K – $5.0M
  • Paris, France
  • 44 portfolio companies

ShadowRoot Capital

A micro-fund targeting next-gen cybersecurity solutions, including platforms dealing with quantification of threats and financial risk implications.

  • Security
  • Other
  • Pre-Seed
  • $250K – $1.5M
  • Austin, Texas
  • 2 portfolio companies

Shield Partners

Shield Partners is committed to supporting Cybersecurity startups building next-generation security technologies.

  • Security
  • Seed
  • $750K – $2.5M
  • Miami, FL
  • 1 portfolio company

Shifting Capital

Invests in early-stage B2B SaaS companies with a strong focus on infrastructure, cybersecurity, and enterprise tooling.

  • Security
  • SaaS
  • Pre-Seed, Seed
  • $300K – $2.0M
  • Denver, CO
  • 1 portfolio company

Siemens Venture Capital

Corporate venture arm focused on industrial automation, factory tech, IoT, and software adjacent to Siemens’ industrial ecosystem. Strong fit for companies integrating with plant systems and industria...

  • Other
  • Deep Tech
  • Healthcare
  • Seed, Series A
  • $2.0M – $20.0M
  • Munich, Bavaria
  • 8 portfolio companies

Sierra Ventures

Early-stage enterprise and infrastructure investor with focus on cloud and security.

  • Enterprise
  • Developer Tools
  • Security
  • Seed
  • $500K – $7.0M
  • San Mateo, CA
  • 19 portfolio companies

Sigma Prime Ventures

Focuses on innovative companies that leverage technology to transform their industries, with a strong interest in digital health innovations.

  • AI / ML
  • Healthcare
  • Enterprise
  • Seed, Series A
  • $1.0M – $5.0M
  • Boston, MA
  • 34 portfolio companies

Signal Catalyst Fund

Sector-focused fund investing in wireless, RF innovations, and next-generation chip-building infrastructure.

  • Other
  • Developer Tools
  • AI / ML
  • Pre-Seed
  • $300K – $6.0M
  • Chicago, IL
  • 33 portfolio companies

Signal Start Fund

Investing in early-stage GovTech solutions aiming to modernize and optimize public sector operations.

  • Other
  • AI / ML
  • SaaS
  • Seed
  • $500K – $2.5M
  • Austin, TX
  • 6 portfolio companies

SignalFire Security Fund

SignalFire's dedicated security fund invests in AI-enabled cybersecurity startups improving compliance and protection in enterprise environments.

  • Security
  • AI / ML
  • Seed, Series A
  • $500K – $5.0M
  • San Francisco, CA
  • 2 portfolio companies

Silent Ventures

Early-stage venture firm backing founders building aerospace, defense, and national security companies. Operates as a solo-GP style specialist focused on first-check investments in frontier defense-ad...

  • Other
  • Deep Tech
  • Climate / Energy
  • Pre-Seed, Seed
  • $500K – $1.0M
  • Dallas, Texas
  • 11 portfolio companies

Silicon Ridge Ventures

Focuses on backing innovative cybersecurity and B2B SaaS startups addressing enterprise vulnerabilities, with a particular emphasis on financial risk quantification and regulatory solutions.

  • Security
  • SaaS
  • Fintech
  • Pre-Seed, Seed
  • $500K – $2.0M
  • Denver, Colorado
  • 2 portfolio companies

Silicon Roundabout Ventures

Europe-first emerging manager backing deeptech and software founders, with a solo-GP style and a London base. Focuses on very early-stage companies across the UK and select international markets.

  • Deep Tech
  • AI / ML
  • Other
  • Pre-Seed, Seed
  • $500K – $5.0M
  • London, United Kingdom
  • 18 portfolio companies

Showing 553–576 of 683 firms — page 24 of 29.

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