Astral Systems

Active#30 worldwide · Fusion & advanced nuclear

Fusion & advanced nuclear

Energy & climate›Fusion & advanced nuclear

HQUnited Kingdom

Last roundSeries A · Jun 2026

Uback rankings

Ranking	Tier	Rank	Edition	Next update
Fusion & advanced nuclear · worldwide	Top 45	#30	Edition 0 (beta) · Oct 2026	2 Mar 2027

Rank historyOct 2026 · #30 Fusion & advanced nuclearFirst edition: no movements yet.

Estimated valuation

AI · Fusion & advanced nuclear ranking (worldwide)

≈ USD 160MUSD 130–200M · Hundreds of M$ High confidence

Hundreds of k$

Millions $

Tens of M$

Hundreds of M$

Unicorn

Decacorn

Hectocorn

Anchor: Last known equity round: Series A · GBP 23M (about USD 31M) · Jun 2026

An indicative editorial estimate produced by AI, imperfect by nature: neither a financial valuation nor investment advice. Only the market sets a company’s value. Method

Funding history

Date	Round	Amount	Type	Investors	Source
Jun 2026	Series A	GBP 23M (about USD 31M)	Equity	Mercia Ventures	eu-startups.com

Rounds as cited by Uback’s rankings and their sources. Equity, debt and grants are shown separately; only equity rounds count towards the valuation anchor.

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What the AI reads

Press & investor announcements1 source

Read by the AI at the next edition.

Comparable companies in fusion & advanced nuclear

Full fusion & advanced nuclear ranking →

First Light Fusion#29United KingdomHundreds of M$Avalanche Energy#31United StatesHundreds of M$Renaissance Fusion#28FranceHundreds of M$Stellaria#32FranceHundreds of M$

Investors in Astral Systems: Mercia Ventures

Sources. eu-startups.com

Last updated: Oct 2026Report an error

Uback is a content publisher. It provides no investment advice, receives no mandate and takes part in no transaction. Rankings, ranges and brackets are editorial estimates produced by AI, purely indicative.