William Douglas
Managing Partner at Caius Capital LLP
London, England
William Douglas, Managing Partner at Caius Capital LLP is an active investor based in London, England. This profile covers what William Douglas backs, at which stage, and how founders can reach out in 2026.
- Investor type
- VC
- Stages
- SeedSeries A
- Invests in
- FintechSaaS & Enterprise
- Location
- London, England
- Typical check
- $625K
How to reach William Douglas
Angels and operators like William Douglas 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.
Connect with William Douglas
About this profile
This profile is part of Round Funded, an investor database and outreach platform for founders. It covers 60,000+ active VCs, angels, family offices and accelerators with verified contacts, lets you send pitches from your own Gmail, and includes a free Data Room for your raise.
Frequently Asked Questions
What does William Douglas invest in?
William Douglas invests in Fintech and SaaS & Enterprise, typically at Seed and Series A. Match your sector and stage, then reach out with a personalized pitch.
What stage does William Douglas invest at?
William Douglas typically invests at Seed and Series A. Lead with traction that fits the stage when you reach out.
What is William Douglas's typical check size?
William Douglas typically writes checks around $625K. Use it as a signal for whether your raise fits their stage.
How do I contact William Douglas?
Unlock William Douglas's verified email on Round Funded and send a personalized pitch. We surface only deliverable contacts so your outreach lands.
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.