Series A SaaS Venture Capital Firms

Browse 773 venture capital firms that invest in SaaS startups at the Series A stage. Every firm is verified — explore their thesis, check size, and portfolio, then get matched with the best-fit investors for your startup.

Verified Series A SaaS VC firms

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 Ventures

Specializes in technology driving retail displays, signage, and sales enablement focused on physical store solutions.

  • Other
  • SaaS
  • AI / ML
  • Seed, Series A
  • $3.0M – $10.0M
  • New York, NY
  • 2 portfolio companies

SignalCraft Capital

SignalCraft Capital invests in AI-powered SaaS solutions transforming enterprise-level marketing and personalization.

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

SignalPoint Capital

Supporting fintech startups innovating payments and transaction management for mid-market enterprises.

  • Other
  • SaaS
  • Fintech
  • Seed, Series A
  • $400K – $2.5M
  • Toronto, Canada
  • 2 portfolio companies

SignalWorks Ventures

A niche investor in telecommunication-specific enterprise infrastructure, SignalWorks identifies and supports companies developing software for 5G, edge computing, and operational integration.

  • Other
  • Developer Tools
  • Enterprise
  • Seed, Series A
  • $1.5M – $5.0M
  • Austin, Texas
  • 2 portfolio companies

Silicon Valley Bank Capital

Seed-stage venture platform with strong exposure to infrastructure and enterprise software companies.

  • Developer Tools
  • Enterprise
  • Other
  • Seed, Series A
  • $250K – $5.0M
  • Santa Clara, California
  • 11 portfolio companies

Sisu Ventures

Backing capital-efficient HealthTech and SaaS startups transforming healthcare delivery and operations, with a U.S. regional focus.

  • Healthcare
  • SaaS
  • Enterprise
  • Seed, Series A
  • $1.0M – $5.0M
  • Austin, TX, USA
  • 9 portfolio companies

SkillFoundry Capital

Invests in software startups revolutionizing talent acquisition and enterprise productivity.

  • Other
  • Enterprise
  • SaaS
  • Series A
  • $500K – $1.5M
  • Austin, TX
  • 1 portfolio company

Smart Partnership Capital

  • SaaS
  • Other
  • Consumer
  • Pre-Seed, Pre-Seed+, Seed, Seed+, Series A
  • $100K – $1.5M

Snowflake Ventures

Strategic investor for companies building on or integrating with Snowflake’s data cloud ecosystem.

  • Other
  • SaaS
  • Developer Tools
  • Seed, Series A
  • $500K – $3.0M
  • Bozeman, MT
  • 3 portfolio companies

SoftBank Vision Fund (AI Healthcare Team)

Focuses on transformative AI-driven innovations in B2B and healthcare verticals.

  • AI / ML
  • Enterprise
  • SaaS
  • Series A, Seed
  • $1.5M – $20.0M
  • Tokyo, Japan
  • 26 portfolio companies

Soma Capital

Soma backs software-driven startups across crypto, fintech, and marketplace categories, often at early growth stages. The firm is comfortable with globally oriented infrastructure businesses and produ...

  • SaaS
  • Marketplace
  • Other
  • Pre-Seed, Seed, Series A
  • $250K – $1.0M
  • San Francisco, CA
  • 13 portfolio companies

Source Code Capital

Source Code Capital invests across seed, early, and growth stages, with current focus areas including AI and robotics, intelligent manufacturing, internet and consumption, and healthcare and biotech. ...

  • SaaS
  • Other
  • Seed, Series A
  • $1.0M – $3.0M
  • Beijing, China
  • 18 portfolio companies

Source Ventures

Focused on developer-first and SaaS platforms targeting niche R&D and data-driven processes.

  • SaaS
  • Developer Tools
  • Other
  • Seed, Series A
  • $200K – $1.5M
  • London, UK
  • 1 portfolio company

Sovereign Ventures

Invests in technology-driven security solutions with a focus on government and enterprise applications.

  • Security
  • SaaS
  • Healthcare
  • Seed, Series A
  • $1.0M – $5.0M
  • Boston, MA
  • 11 portfolio companies

Sovereign Ventures

Sovereign Ventures invests in startups modernizing government agencies, focusing on compliance tools, enterprise software, and SaaS platforms.

  • Other
  • SaaS
  • Pre-Seed, Seed, Series A
  • $750K – $5.0M
  • Washington, DC
  • 2 portfolio companies

Spark Capital

We believe in the founders who build the future.

  • Consumer
  • Enterprise
  • Fintech
  • Seed, Series A
  • $1.0M – $20.0M
  • US-SF
  • 30 portfolio companies

SpringHill Ventures

SpringHill Ventures specializes in early-stage investments in B2B SaaS and e-commerce enablement platforms, particularly those driving efficiency for enterprise customers.

  • Other
  • SaaS
  • Consumer
  • Seed, Series A
  • $1.0M – $3.0M
  • Chicago, IL
  • 2 portfolio companies

Stage 2 Capital

GTM-first venture capital firm that backs early-stage B2B software and helps operationalize revenue.

  • Other
  • SaaS
  • Enterprise
  • Seed, Series A
  • $3.0M – $5.0M
  • US-SF
  • 4 portfolio companies

Star51 Capital

Operator-led venture fund investing at the intersection of medical technology and artificial intelligence, with focus across diagnostics, monitoring, and healthcare digitalization. Built to support co...

  • Other
  • AI / ML
  • Healthcare
  • Pre-Seed, Seed, Series A
  • $250K – $2.0M
  • 22 portfolio companies

Stellaris Venture Partners

Invests in early-stage Indian startups solving unique problems for SMEs via software innovation, including AI and B2B SaaS.

  • Other
  • SaaS
  • Enterprise
  • Seed, Series A
  • $500K – $5.0M
  • Bangalore, India
  • 51 portfolio companies

Stonebridge Crypto Capital

Seed and Series A fund focused on enterprise blockchain applications, Web3 scalability, and decentralized security solutions.

  • Other
  • Security
  • Enterprise
  • Seed, Series A
  • $1.0M – $5.0M
  • Miami, FL
  • 2 portfolio companies

Storm Ventures

Enterprise-focused early-stage VC with 25+ years of B2B investing.

  • SaaS
  • Enterprise
  • Developer Tools
  • Seed, Series A
  • $500K – $8.0M
  • US-SF
  • 13 portfolio companies

Stratify Ventures

Investing in compliance-first enterprise SaaS solutions targeting regulatory-heavy industries such as finance, healthcare, and government.

  • SaaS
  • Other
  • Enterprise
  • Seed, Series A
  • $500K – $2.0M
  • Toronto, Canada
  • 107 portfolio companies

Showing 625–648 of 773 firms — page 27 of 33.

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