William Koch, Tech Investor at BlackFin Capital Partners is an active investor based in Paris, France. This profile covers what William Koch backs, at which stage, and how founders can reach out in 2026.
William Koch is a Tech Investor at BlackFin Capital Partners.
William Koch invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Early Stage Venture, Seed and Series A.
- Investor type
- VC
- Stages
- Early Stage VentureSeedSeries A
- Invests in
- SaaS & EnterpriseFintechArtificial Intelligence
- Location
- Paris, France
- Typical check
- $500K
How to reach William Koch
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Cite this page
Round Funded. "William Koch." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/william-koch
Frequently Asked Questions
Who is William Koch?
William Koch, Tech Investor at BlackFin Capital Partners is an active investor based in Paris, France. William Koch invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Early Stage Venture, Seed and Series A.
What does William Koch invest in?
William Koch invests in SaaS & Enterprise, Fintech and Artificial Intelligence, typically at Early Stage Venture, Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does William Koch invest at?
William Koch typically invests at Early Stage Venture, Seed and Series A. Lead with traction that fits the stage when you reach out.
What is William Koch's typical check size?
William Koch typically writes checks around $500K. Use it as a signal for whether your raise fits their stage.
How do founders reach investors like this?
Round Funded lists active investors with verified, professional contact details for signed-up founders. Filter by sector, stage and location, then send a personalized pitch from your own inbox.
What is Round Funded?
Round Funded is an investor database and outreach platform for startup founders. It lists 60,000+ active investors with verified contacts, filtered to recent investment activity, and lets founders send personalized pitches from their own Gmail, track replies, and share a free Data Room. Round+ starts at $99 per month with a 3-day trial.