How much funding has Astral Systems raised?

Astral Systems has raised $30.0M in total funding, most recently a series a round.

Who are Astral Systems's investors?

Astral Systems's investors include Mercia Fund Management.

When was Astral Systems founded?

Astral Systems was founded in 2021.

Where is Astral Systems headquartered?

Astral Systems is headquartered in Bristol, United Kingdom.

What industry is Astral Systems in?

Astral Systems operates in Deep Tech, Healthcare, Nuclear Energy.

How many employees does Astral Systems have?

Astral Systems has 11-50 employees.

Astral Systems

Producing life-saving cancer isotopes through compact fusion technology.

Bristol, United Kingdom · Founded 2021 · $30.0M raised

Deep Tech

Healthcare

Nuclear Energy

Headquarters: Bristol
Employees: 11–50
Founded: 2021
Business Model: B2B

Website: astralsystems.co.uk
Total Funding: $30.0M
Last Round: $30.0M Series AJun 2026
Rounds: 1

About

Astral Systems is a Bristol-based deep tech company developing Multi-State Fusion (MSF) reactor technology to produce medical isotopes for cancer diagnosis and treatment. Its compact fusion reactors generate high-intensity neutron beams that irradiate target materials to create radioisotopes including Actinium-225 and Lead-212 — isotopes in critical short supply globally. Astral's reactors operate at Technology Readiness Level 9, with the company having generated over £3M in research contract revenue. Founded in 2021 by Talmon Firestone and Dr. Tom Wallace-Smith, the company builds on NASA's discovery of lattice confinement fusion and a decade of NSD fusion commercialization. It raised a £23M Series A in 2026 to scale production.

Summary

Astral Systems is a Deep Tech company based in Bristol, United Kingdom, founded in 2021. It has raised $30.0M in total across 1 round, most recently a $30.0M Series A round in Jun 2026. Investors include Mercia Fund Management.