Antonio Fontanini
Angel investor in Madrid
Madrid, Spain
Antonio Fontanini, Angel investor in Madrid is an active investor based in Madrid, Spain. This profile covers what Antonio Fontanini backs, at which stage, and how founders can reach out in 2026.
- Investor type
- AngelVC
- Stages
- Seed
- Invests in
- Impact & Social EnterprisePropTech & Real Estate
- Location
- Madrid, Spain
- Typical check
- $250K
- Past investments
- 6
Notable investments
How to reach Antonio Fontanini
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About this profile
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Cite this page
Round Funded. "Antonio Fontanini." Round Funded investor database, updated September 9, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/antonio-fontanini
Frequently Asked Questions
What does Antonio Fontanini invest in?
Antonio Fontanini invests in Impact & Social Enterprise and PropTech & Real Estate, typically at Seed. Match your sector and stage, then reach out with a personalized pitch.
What stage does Antonio Fontanini invest at?
Antonio Fontanini typically invests at Seed. Lead with traction that fits the stage when you reach out.
What is Antonio Fontanini's typical check size?
Antonio Fontanini typically writes checks around $250K. 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.