Lansdowne Partners is a venture debt provider. Team members are concentrated in London, England, United Kingdom. Among the 10 companies in the known portfolio are Circ, Oxford Ionics, Oxford Quantum Circuits, Replay, TechMet and Osler Diagnostics.
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Investment focus
Contacts
Who to pitch at Lansdowne Partners
Lansdowne Partners portfolio companies (10)
- Circ
- Oxford Ionics
- Oxford Quantum Circuits
- Replay
- TechMet
- Osler Diagnostics
- amnis
- G.ST Antivirals
- Nattergal
- Tungsten West
Co-investors
Funds that share portfolio companies with Lansdowne Partners.
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About Lansdowne Partners
The firm's listing covers sectors AI, Climate, FinTech and Hardware, and focus areas Clean and Renewable Energy, Data, Genetics and Life Science; known deals cluster at Growth, Late-Stage and Seed.
Paul Ruddock (Co-Founder and CEO) and Elmar Lutzenberger (Analyst) are listed as the contacts to pitch at Lansdowne Partners.
Lansdowne Partners shares portfolio companies with 20 other investment firms, among them Braavos Investimentos, Braavos Investment Advisers and Lendity.
Frequently asked questions
What is Lansdowne Partners?
Lansdowne Partners is a venture debt provider whose team is concentrated in London, England, United Kingdom, with a known portfolio of 10 companies. The portfolio comes from public investment records rather than from the firm, so deals that never surfaced publicly are not in it.
What does Lansdowne Partners invest in?
Listed sectors include AI, Climate, FinTech and Hardware; listed focus areas include Clean and Renewable Energy, Data, Genetics and Life Science. Those tags come from the portfolio attached to the firm, so they describe what has been backed rather than a stated mandate for what comes next.
What stage does Lansdowne Partners invest at?
The known deals of Lansdowne Partners include Growth, Late-Stage and Seed rounds. Check that against your own round before reaching out: stage mismatch is the most common reason a well matched sector still goes nowhere.
Who should I pitch at Lansdowne Partners?
Both people on file at Lansdowne Partners are listed as contacts for the firm, each with their own profile page.
How do I contact Lansdowne Partners?
Any email address on file for the firm is masked on this page and readable inside RaiseHunt after you create an account. The 2 people attached to the firm have their own pages, each showing whether an address is on file for them.
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Data: RaiseHunt investor dataset · Snapshot 5 September 2026 · How this data is built · Report a correction or request removal