Best Seed SaaS Venture Capital Firms

Browse 4,158 venture capital firms that invest in SaaS startups at the Seed stage, ranked by new investments on record since 2025. Every firm is verified — explore their thesis, check size, and portfolio, then get matched with the best-fit investors for your startup.

Verified Seed SaaS VC firms

Meritech Capital

Software investor with strong enterprise and infrastructure orientation. Relevant when a startup is early but has clear path to major platform scale.

  • Enterprise
  • Developer Tools
  • AI / ML
  • Seed, Series A
  • $500K – $5.0M
  • Palo Alto, California
  • 25 portfolio companies

Merlin Ventures

Merlin Ventures focuses on cybersecurity with strong ties to enterprise and government security buyers. The firm is relevant for startups building security controls for sensitive and regulated data en...

  • Security
  • Other
  • Developer Tools
  • Seed, Series A
  • Tysons, VA
  • 23 portfolio companies

Merus Capital

Merus Capital backs enterprise software and cloud infrastructure startups, with a history of investing in products adopted by developers, IT teams, and technical operators.

  • Developer Tools
  • Enterprise
  • AI / ML
  • Seed, Series A
  • $500K – $2.5M
  • Palo Alto, CA
  • 72 portfolio companies

Mesh CCI Lyon Métropole Saint-Etienne Roanne

Regional innovation investor that has supported voice-AI infrastructure for enterprise and regulated markets. Useful for credibility with customer-service and telecom-adjacent workflows.

  • AI / ML
  • Enterprise
  • Climate / Energy
  • Seed
  • 9 portfolio companies

Mesh Partners

Specializes in startups innovating in meshed AI systems for advanced cybersecurity solutions targeted at enterprise SOCs.

  • Other
  • Security
  • SaaS
  • Seed, Series A
  • $500K – $4.0M
  • Boston, MA
  • 32 portfolio companies

MeshLayer Partners

Focused on companies innovating at the intersection of blockchain, cloud computing, and scalable enterprise platforms.

  • Developer Tools
  • SaaS
  • Other
  • Pre-Seed, Seed
  • $500K – $2.5M
  • Boston, MA
  • 2 portfolio companies

Meta Ventures

Focused on the intersection of media, technology, and gaming entertainment, supporting IP-based content creation.

  • Other
  • Healthcare
  • EdTech
  • Seed
  • $500K – $5.0M
  • Los Angeles, CA
  • 6 portfolio companies

MetaBridge Ventures

MetaBridge backs scalable, AI-first cloud computing and analytics startups building for compliance-heavy enterprises.

  • Other
  • Developer Tools
  • AI / ML
  • Seed
  • $300K – $2.0M
  • Seattle, WA
  • 7 portfolio companies

MetaHealth Labs

Focus on digital health solutions targeting chronic disease management and personalized healthcare.

  • Healthcare
  • Other
  • SaaS
  • Seed
  • $300K – $1.5M
  • San Francisco, CA
  • 1 portfolio company

MetaProp

Seed-stage VC focused on PropTech across real estate operations, marketplaces, and transaction/process infrastructure.

  • Other
  • SaaS
  • Pre-Seed, Seed
  • $250K – $1.5M
  • New York, NY
  • 8 portfolio companies

MetaSage Fund

Backing startups innovating in the space of decentralized marketing technologies.

  • Other
  • SaaS
  • Pre-Seed, Seed
  • $750K – $3.5M
  • Stuttgart, Germany
  • 1 portfolio company

Metalayer Ventures

Emerging venture firm focused on digital asset and financial infrastructure, with interest in the picks-and-shovels layer behind institutional adoption. Particularly relevant for products that make cr...

  • Other
  • Fintech
  • Developer Tools
  • Seed
  • $250K – $1.5M
  • New York, NY
  • 13 portfolio companies

Metropolitan Innovations Fund

Focuses on startups redefining urban living through real estate and consumer innovations.

  • Real Estate
  • Other
  • Fintech
  • Seed
  • $2.0M – $4.0M
  • Chicago, IL
  • 7 portfolio companies

MicroTech Partners

Invests in micro and early-stage enterprise and SaaS companies transforming business operations.

  • SaaS
  • Enterprise
  • Seed
  • $750K – $2.5M
  • Boulder, CO
  • 1 portfolio company

Microsoft M12

Microsoft’s venture fund investing in enterprise software and infrastructure aligned with cloud and AI.

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

Microtraction

Microtraction backs African technology startups at the pre-seed stage, particularly teams with technical founders. It is sector-agnostic and favors resourceful founders building high-growth businesses...

  • Other
  • Fintech
  • SaaS
  • Pre-Seed, Seed
  • $100K – $100K
  • Lagos, Nigeria
  • 17 portfolio companies

Mid-Market SaaS Ventures

Specializing in B2B SaaS with a focus on mid-market applications that integrate within existing infrastructures.

  • SaaS
  • Other
  • Seed
  • $1.0M – $3.0M
  • Chicago, IL

MidMarket Innovate

Focuses on B2B SaaS solutions for mid-market enterprises, enhancing sales and CRM functionalities.

  • SaaS
  • Enterprise
  • Seed
  • $750K – $3.5M
  • Chicago, IL
  • 1 portfolio company

MiddleGame Ventures

MiddleGame specializes in investing in European fintech companies that are building innovative platforms for the banking and payments ecosystem.

  • Fintech
  • Other
  • SaaS
  • Seed, Series A
  • $500K – $3.0M
  • Luxembourg
  • 2 portfolio companies

Midwest AutoTech Partners

Targets startups in the Midwest U.S. specializing in automotive technologies and B2B SaaS solutions.

  • Other
  • SaaS
  • Enterprise
  • Pre-Seed, Seed, Series A
  • $500K – $3.0M
  • Chicago, IL
  • 25 portfolio companies

Midwest Growth Fund

Supports companies in the Midwest innovating with SaaS solutions tailored for regional markets.

  • Other
  • SaaS
  • Seed, Series A
  • $1.0M – $5.0M
  • Minneapolis, MN
  • 1 portfolio company

Midwest SaaS Innovators

Investing in cutting-edge SaaS startups outside of major tech hubs to drive regional innovation.

  • SaaS
  • Seed
  • $750K – $3.5M
  • Minneapolis, MN
  • 1 portfolio company

Mighty Capital

Mighty Capital invests in products that drive scalable growth for SMBs, solopreneurs, and enterprises, with a SaaS-first lens.

  • SaaS
  • Other
  • Seed, Series A
  • $2.0M – $10.0M
  • San Francisco, CA
  • 9 portfolio companies

Mightyjoy Ventures

Backs creators and audience-to-enterprise businesses at the earliest stages, with a stated focus on pre-seed to seed capital for the creator economy. This is a strong fit for workflow software serving...

  • Other
  • SaaS
  • Enterprise
  • Pre-Seed, Seed
  • 15 portfolio companies

Showing 2353–2376 of 4158 firms — page 99 of 174.

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