Speedinvest
Leading European VC backing early-stage tech founders from Pre-Seed to Growth
Spice Capital
Pre-seed and seed fund led by solo GP Maya Bakhai investing in internet-native consumer, creator economy, fintech, vertical software, and applied AI.
Squadra Ventures
Baltimore and DC-based seed-stage VC investing in early-stage national security, cybersecurity, and dual-use technology companies with hands-on operational support.
SquareOne
Rebranded from Paua Ventures: B2B pre-seed/seed fund that guarantees portfolio companies their first customers via its network of executives and founders.
StageOne Ventures
Leading investments in exceptional Israel-related deep tech entrepreneurs
Starburst Ventures
Pre-seed to seed fund investing up to $1M in aerospace, defense, and deep tech startups; ITAR & CFIUS compliant, no warm intro required.
Starship Ventures
Early-stage deep tech fund backing founders in hardware, robotics, space, AI, biotech, and advanced manufacturing with a debut $30M fund.
Startup Capital Ventures x SBI Fund
Early-stage VC for B2B tech in FinTech, Cybersecurity, SaaS & DeepTech.
Steel Atlas
NYC-based early-stage fund backing software and hardware companies reshaping the industrial economy.
Stellar Ventures
Woman-led early-stage VC investing in space technology companies and mission-driven entrepreneurs across the space economy.
Stephen Industries
Finnish family office that pivoted to VC in 2022 after founder Kustaa Poutiainen sold his deep-tech firm Picosun to Applied Materials, funding pre-seed to Series B.
STOAF
Stockholm-based angel fund backing deep tech B2B ventures with global potential
Stony Lonesome Group
VC/PE firm backing dual-use and veteran-led tech companies
Stout Street Capital
Writes the first institutional check for deep-tech founders across Colorado and the Rocky Mountains, betting on a multi-decade frontier-tech convergence.
Strong Ventures
Bi-continental seed fund where ~75% of 270+ portfolio companies are Korean or Korean-diaspora founders, built on a genuine LA-Seoul dual office.
SUM Ventures
Early-stage VC investing from pre-seed to seed+ in fintech, proptech, IoT, AI, medtech, and cleantech startups across the US.
Summit Partners
Global growth-equity firm since 1984 pairing proprietary sourcing with hands-on operational support for tech, healthcare and growth-sector leaders.
Sunfish Partners
Early stage VC investing in defense tech startups from Eastern Europe (CEE)
Superangel
Early stage funding for world-changing tech in the Baltics and Nordics
Superangels
Munich-based business angel matching fund that co-invests alongside 20 selected superangels in pre-seed and seed tech startups globally across AI, fintech, climate, and healthtech.
Superhero Capital
Early-stage VC investing in Nordic tech startups
Supernova Invest
European multi-stage VC providing patient capital to deeptech startups in industrial, digital, health, cleantech
Sure Valley Ventures
Operator-led seed VC backing AI software founders in the UK and Ireland since 2017. Leads rounds of £250K–£1.5M with deep technical due diligence and active Series A support.
Susquehanna Sustainable Investments
Climate-focused early-stage fund backed by Susquehanna International Group, investing in mitigation, adaptation, and removal startups
Showing 697–720 of 842 investors
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