United Kingdom · Renewables & environment startup

Tokamak Energy

Tokamak Energy Ltd is a prominent fusion energy company based in Milton Park, Oxfordshire, UK.

Funding reportedLast round: Series C

Renewables & environmentAbingdon, United Kingdom

About Tokamak Energy

Tokamak Energy Ltd is a prominent fusion energy company based in Milton Park, Oxfordshire, UK.

Founded in 2009 as a spin-off from the UK Atomic Energy Authority, it specializes in spherical tokamak technology and High-Temperature Superconductor (HTS) magnet design. With over 250 employees and more than 70 patent applications, Tokamak Energy aims to accelerate the development of clean and affordable fusion power, targeting commercial deployment in the 2030s. The company operates the ST40 spherical tokamak, which achieved a significant milestone by reaching an ion temperature of 100 million °C in 2022. Tokamak Energy also develops advanced HTS magnets through its TE Magnetics division, which are used in various applications, including life sciences and renewable energy. The company collaborates with government agencies, research institutions, and industrial partners globally, contributing to initiatives like the UK STEP programme and working with organizations such as CERN. Tokamak Energy is committed to leading the transition to commercial fusion energy and expanding the use of its technologies across multiple sectors.

What company datasets say Tokamak Energy raised

Funding, as reported

Reported in all306.6Min the source's currency
Last roundSeries C
Last round size3.6M
Last round dateJun 2025

Founders and team

From Tokamak Energy's own website: 10 on the team.

  • Warrick MatthewsChief Executive Officer
  • Dr Mikhail GryaznevichChief Scientist
  • Daniel FreemanNon-Executive Director
  • Dr Chris MartinChairman
  • Dr Ross MorganManaging Director of Fusion
  • Erik BoninoNon-Executive Director
  • Martin KleppeNon-Executive Director
  • Rory Scott RussellNon-Executive Director
  • Sir David HardingNon-Executive Director
  • Thomas PfistererNon-Executive Director

AdvisersDr David Kingham

On 2 portfolio pages

Investors who name them

Each firm lists Tokamak Energy on its own website. That is the firm's claim, a weaker thing than a round we watched, but a named source.

The company, in detail

What they build

Known for

future of energyfusion technologyhealth carefusion industry partnershipsplasma physicslow greenhouse gas emissionsclean energy & technologymagnet system engineeringfusion researchrenewable energy power generationenergy supply chainmagnet system integrationglobal energy marketsmagnet system designfusion energy commercializationsustainable energy

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Sector
Renewables & environment
Industry code
NAICS 334419, 541715, SIC 3571
Region
England
Revenue
1M a year, as listed

Renewables & environment in United Kingdom

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