# Newcleo

The European startups racing to power the AI boom, mapped
Pro
Market map
July 31, 2026
The European startups racing to power the AI boom, mapped
From nuclear to geothermal to tidal power, Sifted maps the European startups developing new sources of electricity for the continent’s growing data centre buildout
Jonathan Sinclair
Every European unicorn exit of 2026 so far
Pro
Analysis
July 28, 2026
Every European unicorn exit of 2026 so far
Seven billion-dollar startups have already found a buyer or hit the public markets in 2026 — matching Europe’s previous annual record
Ruggero Di Spigna and Federico Scolari
Nuclear unicorn Newcleo raises €48m and confirms HQ move from UK to France
News
September 30, 2024
Nuclear unicorn Newcleo raises €48m and confirms HQ move from UK to France
The news means Newcleo has raised €135m of a targeted €1bn round announced 18 months ago
Kai Nicol-Schwarz
Nuclear unicorn Newcleo to move holding company from UK to France to tap EU funds
News
August 20, 2024
Nuclear unicorn Newcleo to move holding company from UK to France to tap EU funds
The move comes as the startup targets a €1bn equity round
Kai Nicol-Schwarz
Europe’s only nuclear unicorn raises €87m
News
May 14, 2024
Europe’s only nuclear unicorn raises €87m
UK-based Newcleo tells Sifted another close could come before the summer — as the company targets a $1bn round
Kai Nicol-Schwarz
Inside Europe’s only nuclear unicorn — and its €1bn fundraising hopes
Analysis
March 1, 2024
Inside Europe’s only nuclear unicorn — and its €1bn fundraising hopes
UK-based Newcleo could make the first close as soon as April — but the startup wants to raise billions more by the end of the decade
Kai Nicol-Schwarz
2023’s fastest-growing startup teams across Europe
Fastest-growing startup teams
December 22, 2023
2023’s fastest-growing startup teams across Europe
Which European teams have had the most new faces in the office this year?
Sadia Nowshin
The 15 fastest-growing climate tech startups in Europe
Fastest-growing startup teams
July 6, 2023
The 15 fastest-growing climate tech startups in Europe
Climate tech is one of the hottest sectors in startups at the moment — meet the companies growing headcount fastest
Alexandra Bacon
Could renewable nuclear power become a reality in the next decade?
Analysis
March 6, 2023
Could renewable nuclear power become a reality in the next decade?
Swedish fission startup Leadcold wants to create the next green industry in Europe
Mimi Billing
Europe’s fastest-growing climate tech startups
Fastest-growing startup teams
September 12, 2022
Europe’s fastest-growing climate tech startups
These climate tech companies are managing to grow fastest in Europe
Freya Pratty
Why nuclear should be the next boom market, according to investors
Analysis
January 25, 2022
Why nuclear should be the next boom market, according to investors
This decades-old technology could be the future of green energy — but with a healthy injection of startup-powered innovation
Mimi Billing
Europe’s fastest-growing climate tech startups
Fastest-growing startup teams
January 6, 2022
Europe’s fastest-growing climate tech startups
Electric trucking, car batteries and solar panels dominate Europe's fastest growing climate techs.
Freya Pratty

# Newcleo

The European startups racing to power the AI boom, mapped

Every European unicorn exit of 2026 so far

Nuclear unicorn Newcleo raises €48m and confirms HQ move from UK to France

Nuclear unicorn Newcleo to move holding company from UK to France to tap EU funds

Europe’s only nuclear unicorn raises €87m

Inside Europe’s only nuclear unicorn — and its €1bn fundraising hopes

2023’s fastest-growing startup teams across Europe

The 15 fastest-growing climate tech startups in Europe

Could renewable nuclear power become a reality in the next decade?

Europe’s fastest-growing climate tech startups

Why nuclear should be the next boom market, according to investors

Europe’s fastest-growing climate tech startups