Circle Rock Capital

Check Size
€500K – €5M

Investment Focus

Investment Stages

Geographic Focus

Global

Investment Thesis

Venture syndicate with London and Dublin offices that lets private investors co-invest deal by deal alongside lead VCs in seed to Series B rounds. Recent deals listed include Fleak AI and Scaleup Finance (October 2025), Nory (September 2025) and TurinTech (March 2025).

How to Pitch Circle Rock Capital

No Stated Policy
Circle Rock Capital hasn't published an outreach policy. A short, specific cold email is the safest default.

Who To Contact

Barry O'Neill
Founding Partner
LinkedIn
Conor Sharpe
Founding Partner
LinkedIn
Source

YC portfolio overlap

Circle Rock Capital backed 1 Y Combinator company.

Protex AI
Protex AI

Computer vision that makes the industrial workplace, safer

Summer 2021
B2B

Portfolio Highlights

Nory
Fleak AI
TurinTech
Protex AI
Scaleup Finance

Team

Auto-detected from Circle Rock Capital's website.

Barry O'Neill
Founding Partner

Successful entrepreneur who built FCA regulated fintech Clear Treasury to multi-million pound turnover.

Checked Oct 2026
Conor Sharpe
Founding Partner

Venture capital expert with 13 years in derivative markets, backed multiple companies to $100m+ valuations.

Checked Oct 2026
Neha Tanna
Venture Partner

Medical doctor and pharmaceutical physician with senior investment experience in life science and healthcare.

life science
healthcare
climate
deep tech
Checked Oct 2026
Patrick Gilday
Venture Partner

Former investor at Global Founders Capital, early investor in Revolut, Deel, Slack and Zalando.

artificial intelligence
machine learning
biotech
fintech
agtech
software tooling
Checked Oct 2026
Paul Calatayud
Partner

Leading cybersecurity executive with 26 years experience, five-time CSO at Fortune 500 and venture-backed companies.

cybersecurity
Checked Oct 2026

Focus and check size from the firm's website. Website reachable as of Sept 2026.

Ready to Reach Circle Rock Capital?

A fit check scores your pitch against their thesis, stage and ticket. An email draft uses their real deals and thesis, not a template.