Steve Castle, Founding Investor & Advisor at DataSapien is an active investor based in United Kingdom. This profile covers what Steve Castle backs, at which stage, and how founders can reach out in 2026.
Steve Castle, FCA is an experienced Group Board Director with global insurance and financial services expertise, and an active seed/early-stage angel investor.
Steve Castle invests in Fintech and Cybersecurity, typically at Seed and Early Stage Venture.
- Investor type
- Angel
- Stages
- SeedEarly Stage Venture
- Invests in
- FintechCybersecurity
- Location
- United Kingdom
- Typical check
- $375K
How to reach Steve Castle
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Cite this page
Round Funded. "Steve Castle." Round Funded investor database, updated November 3, 2026.
Stable URL, it will not change: https://www.roundfunded.com/en/investor/steve-castle
Frequently Asked Questions
Who is Steve Castle?
Steve Castle, Founding Investor & Advisor at DataSapien is an active investor based in United Kingdom. Steve Castle invests in Fintech and Cybersecurity, typically at Seed and Early Stage Venture.
What does Steve Castle invest in?
Steve Castle invests in Fintech and Cybersecurity, typically at Seed and Early Stage Venture. Match your sector and stage, then reach out with a personalized pitch.
What stage does Steve Castle invest at?
Steve Castle typically invests at Seed and Early Stage Venture. Lead with traction that fits the stage when you reach out.
What is Steve Castle's typical check size?
Steve Castle 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.