Oscar Calvo Silveira
Angel investor in Spain
Spain
Oscar Calvo Silveira, Angel investor in Spain is an active investor based in Spain. This profile covers what Oscar Calvo Silveira backs, at which stage, and how founders can reach out in 2026.
- Investor type
- Angel
- Stages
- Pre SeedSeed
- Invests in
- Healthcare & BiotechSaaS & EnterpriseConsumer & Retail
- Location
- Spain
- Typical check
- $150K
How to reach Oscar Calvo Silveira
Angels and operators like Oscar Calvo Silveira 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.
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About this profile
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Cite this page
Round Funded. "Oscar Calvo Silveira." Round Funded investor database, updated September 24, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/oscar-calvo-silveira
Frequently Asked Questions
What does Oscar Calvo Silveira invest in?
Oscar Calvo Silveira invests in Healthcare & Biotech, SaaS & Enterprise and Consumer & Retail, typically at Pre Seed and Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Oscar Calvo Silveira invest at?
Oscar Calvo Silveira typically invests at Pre Seed and Seed. Lead with traction that fits the stage when you reach out.
What is Oscar Calvo Silveira's typical check size?
Oscar Calvo Silveira typically writes checks around $150K. 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.