United Kingdom Atomic Energy Authority
Overview
United Kingdom Atomic Energy Authority is a UK government research organisation and executive non-departmental public body responsible for the development of fusion energy, which also acts as an investor in fusion and deep tech spinouts through vehicles like the UK Innovation & Science Seed Fund.
Investments
| Company | Date | Stage | Lead |
|---|---|---|---|
| First Light Fusion | Apr 2026 | Early Funding | Co-investor |
| Arkenlight Limited | Aug 2020 | Seed | Co-investor |
For institutional investors. Book with your work email.
Sector & Stage Mix
Industry, funding stage, and valuation band breakdowns.
FAQ
Where is United Kingdom Atomic Energy Authority based?
United Kingdom Atomic Energy Authority is headquartered in United Kingdom.
When was United Kingdom Atomic Energy Authority founded?
United Kingdom Atomic Energy Authority was founded in 1954.
How many portfolio companies does United Kingdom Atomic Energy Authority have?
United Kingdom Atomic Energy Authority has 3 portfolio companies in Caplight's dataset.
What are some companies in United Kingdom Atomic Energy Authority's portfolio?
Portfolio companies visible on Caplight include First Light Fusion, Arkenlight Limited.
What was United Kingdom Atomic Energy Authority's most recent investment shown here?
United Kingdom Atomic Energy Authority's most recent investment in this portfolio sample was in First Light Fusion in 2026.
What sectors does United Kingdom Atomic Energy Authority focus on?
United Kingdom Atomic Energy Authority focuses on Energy & Sustainability, Energy & Sustainability, Energy & Sustainability, Frontier & Industrial Tech, Frontier & Industrial Tech, Frontier & Industrial Tech.
What company stages does United Kingdom Atomic Energy Authority focus on?
Stage focus information for United Kingdom Atomic Energy Authority is not publicly available.