Frank Marthaler
Angel investor in Unterengstringen
Unterengstringen, Switzerland
Frank Marthaler, Angel investor in Unterengstringen is an active investor based in Unterengstringen, Switzerland. This profile covers what Frank Marthaler backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Seed
- Invests in
- FintechConsumer & RetailDeveloper Tools & Data
- Location
- Unterengstringen, Switzerland
- Typical check
- $250K
- Past investments
- 4
Notable investments
How to reach Frank Marthaler
Angels and operators like Frank Marthaler reply to specific, personalized notes that show real traction, not mass blasts. Build a verified list, write a note that fits their thesis, and track replies, all on Round Funded Accelerator.
Connect with Frank Marthaler
Frequently Asked Questions
What does Frank Marthaler invest in?
Frank Marthaler invests in Fintech, Consumer & Retail and Developer Tools & Data, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Frank Marthaler invest at?
Frank Marthaler typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Frank Marthaler's typical check size?
Frank Marthaler typically writes checks around $250K. Use it as a signal for whether your raise fits their stage.
How do I contact Frank Marthaler?
Unlock Frank Marthaler's verified email on Round Funded Accelerator and send a personalized pitch. We surface only deliverable contacts so your outreach lands.