First Light Fusion logo — The world’s leading inertial fusion company. Our mission: Fu...

First Light Fusion

The world’s leading inertial fusion company. Our mission: Fusion power by the simplest means possible.

Founded 2011 United Kingdom United Kingdom 93 employees Series C Total: $93.70M Energy, Renewable Energy +1

General Information

Company Name First Light Fusion
Founded Year 2011
Location United Kingdom United Kingdom
Employees 93
Industries Energy, Renewable Energy, Energy Efficiency
Funding Stage Series C
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About First Light Fusion

First Light Fusion, branded as "The world’s leading inertial fusion company. Our mission: Fusion power by the simplest means possible.", is spearheading innovation in the realm of energy generation, focusing specifically on inertial fusion energy (IFE). Established as a spinoff from the University of Oxford in 2011, this United Kingdom-based firm remains a paragon of research-driven, agile advancement within the energy sector.

Operating within the Energy, Renewable Energy, and Energy Efficiency industries, First Light Fusion capitalizes on its robust partnerships with the academic community both locally and globally. Their progress is fortified by substantial backing from key investors, highlighted by a $45.00M Series C investment on February 14, 2022, supported by notable entities including IP Group, Hostplus, Oxford Science Enterprises, Braavos Investment Advisers, and Tencent.

Business keywords: Inertial Fusion Energy, Energy Generation, Inertial Confinement Fusion, Numerical Simulation, Experimental Validation, Power Generation, Fundamental Physics, Theoretical Analysis, Physics Research, Fusion Technology, Academic Collaboration, Energy Research and Development

Services & Products

Fusion Energy Commercialization
Amplifier Technology Development
AI and Simulation for Energy
Partnership Pathways for Fusion

Target Customers

Global Fusion Companies Energy Sector Stakeholders Government Energy Authorities Research Institutions

Funding Rounds & Investors (7)

View All
Funding Stage Amount Investors Lead Investors Date
Series C $45.00M 5
IP Group, Hostplus +3
14 Feb 2022
Secondary Market Undisclosed 1
Hambro Perks
11 Jun 2021
Venture Round $25.00M -
23 Dec 2020
Venture Round Undisclosed 1
Oxford Science Enterprises
17 Nov 2017
Venture Round £22.70M 1
IP Group
17 Aug 2015
Series B Undisclosed 1
Parkwalk Advisors
18 Oct 2013
Venture Round £1.00M 2
Parkwalk Advisors, IP Group
11 Jul 2011

First Light Fusion Alternatives & Competitors

View All Alternatives
First Light Fusion vs
Helion
Helion United States

Building the world's first fusion power plant

Series G
535 employees
ESG, Energy
First Light Fusion vs
ENG8 Energy
ENG8 Energy Gibraltar

Powering the future creating positive loops with clean, abundant energy for all.

Seed
6 employees
Energy, Industrial
First Light Fusion vs

Designing and building commercial fusion systems to provide limitless, clean energy to the world

Series B
1079 employees
ESG, Energy

FAQ About First Light Fusion

The world’s leading inertial fusion company. Our mission: Fusion power by the simplest means possible.
First Light Fusion was founded in 2011.
First Light Fusion is headquartered in United Kingdom.
First Light Fusion operates in Energy, Renewable Energy and Energy Efficiency. Its work centres on Inertial Fusion Energy, Energy Generation, Inertial Confinement Fusion and Numerical Simulation. Its customers include Global Fusion Companies, Energy Sector Stakeholders and Government Energy Authorities.
First Light Fusion has approximately 93 employees.
First Light Fusion has completed 7 funding rounds, raising a total of $93.70M. The latest funding stage is Series C.
First Light Fusion offers: Fusion Energy Commercialization, Amplifier Technology Development, AI and Simulation for Energy, Partnership Pathways for Fusion.
Top alternatives and competitors to First Light Fusion include Helion, ENG8 Energy, Commonwealth Fusion Systems, Skellefteå Kraft, Horne Technologies. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
First Light Fusion and Helion are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Source: BounceWatch company record for First Light Fusion, https://bouncewatch.com/company/first-light-fusion, updated 18 August 2025. When citing, please name BounceWatch and link this page.

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