IO

Ion Catalyst Ventures

VC
Cambridge, UK

Ion Catalyst Ventures is a Seed venture capital firm based in Cambridge, UK investing in Other, Healthcare, Deep Tech. The firm typically writes $500K–$5.0M checks and has 2 portfolio companies in our records.

Check size
$500K–$5.0M
Portfolio
2 companies on record
Partners
1 listed
Stage
Seed
Sectors
Other, Healthcare, Deep Tech
HQ
Cambridge, UK
AUM
Not in our records

Last verified: 2026-07-13

How to approach: warm intro preferred
Stage

Seed

Check Size

$500K – $5.0M

Portfolio

2+ companies

Team

1 partner

Investor activity
Investments in last 12 months: 0

Investment Thesis

Specialist venture fund focused on supporting startups in the nuclear technology and radiation-based medical solutions space.

How Ion Catalyst Ventures invests

Ion Catalyst Ventures is a vc firm based in Cambridge, UK. The firm invests at the Seed stage, with a focus on Other, Healthcare, Deep Tech.

Ion Catalyst Ventures typically writes checks of $500K–$5.0M per investment.

Ion Catalyst Ventures has backed 2 companies in our records, including RadMed Solutions, Neutron Materials Ltd..

Partners & Team

DA

Dr. Alice Sinclair

Founding Partner

Nuclear Technology
Medical Isotopes

Industry Focus

Invests In

Other
Healthcare
Deep Tech

Portfolio Companies (2)

Other

RA

RadMed Solutions

Medical Isotopes
NE

Neutron Materials Ltd.

Fusion Materials Testing
How to pitch Ion Catalyst Ventures
  • Raising at Seed? You're squarely in their sweet spot.
  • Lead with your fit in Other, Healthcare, Deep Tech — the sectors they actively back.
  • Size your ask to their typical $500K – $5.0M check.
  • warm intro preferred
  • Address your outreach to a specific partner, such as Dr. Alice Sinclair, Founding Partner.
  • A warm introduction beats a cold email. Get matched and request an intro.

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