Lauri Isotamm
Angel investor in Tallinn
Tallinn, Estonia
Lauri Isotamm, Angel investor in Tallinn is an active investor based in Tallinn, Estonia. This profile covers what Lauri Isotamm backs, at which stage, and how founders can reach out in 2026.
Mr. Lauri Isotamm serves as General Partner at Siena Secondary Fund. He is also an Angel Investor with portfolio of 50+ startups, 20+ years of investment, management and dealmaking experience. He served as Board Member at Insly. He is particularly focused on food, financial services, and retail. In addition, he covers capital raisings, including initial pubic offerings.
- Investor type
- Angel
- Stages
- Early Stage VentureSeed
- Invests in
- Fintech
- Location
- Tallinn, Estonia
- Typical check
- $375K
- Past investments
- 6
Notable investments
InslyFanSifterEstonian Business Angels Network (EstBAN)How to reach Lauri Isotamm
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Cite this page
Round Funded. "Lauri Isotamm." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/lauri-isotamm-266995-5
Frequently Asked Questions
What does Lauri Isotamm invest in?
Lauri Isotamm invests in Fintech, typically at Early Stage Venture and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Lauri Isotamm invest at?
Lauri Isotamm typically invests at Early Stage Venture and Seed. Lead with traction that fits the stage when you reach out.
What is Lauri Isotamm's typical check size?
Lauri Isotamm 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.
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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.