Patrick Keller
Angel investor in Switzerland
Switzerland
Patrick Keller, Angel investor in Switzerland is an active investor based in Switzerland. This profile covers what Patrick Keller backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVCPEInvestment Bank
- Stages
- Early Stage VentureSeed
- Invests in
- PropTech & Real Estate
- Location
- Switzerland
- Typical check
- $375K
- Past investments
- 4
Notable investments
AnnanowMuumeLoyralHow to reach Patrick Keller
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Cite this page
Round Funded. "Patrick Keller." Round Funded investor database, updated October 19, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/patrick-keller
Frequently Asked Questions
What does Patrick Keller invest in?
Patrick Keller invests in PropTech & Real Estate, typically at Early Stage Venture and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Patrick Keller invest at?
Patrick Keller typically invests at Early Stage Venture and Seed. Lead with traction that fits the stage when you reach out.
What is Patrick Keller's typical check size?
Patrick Keller typically writes checks around $375K. 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.