Marex is a corporate venture arm and venture debt provider. Based in New York, United States. The known portfolio counts 2 companies, including Ruminant BioTech and Key Carbon.
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Investment focus
- Stage
- Series A
Contacts
Who to pitch at Marex
Marex portfolio companies (2)
- Ruminant BioTech
- Key Carbon
Co-investors
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About Marex
The firm's listing covers sectors Climate, Commerce, FinTech and Healthcare, and focus areas Biotech, Carbon, Logistics and Maritime Logistics; known deals cluster at Series A.
The contacts to approach at Marex are Paul Jennings (Investor) and Christopher Bates (Investor).
Marex shares portfolio companies with 5 other investment firms, among them Agrizeronz, Cartesian Capital Group and Regeneration.VC.
Frequently asked questions
What is Marex?
Marex is a corporate venture arm and venture debt provider based in New York, United States, with a known portfolio of 2 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 Marex invest in?
Listed sectors include Climate, Commerce, FinTech and Healthcare; listed focus areas include Biotech, Carbon, Logistics and Maritime Logistics. 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 Marex invest at?
The known deals of Marex include Series A 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 Marex?
Both people on file at Marex are listed as contacts for the firm, each with their own profile page.
How do I contact Marex?
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