Exhibit 21.1

List of Subsidiaries of newcleo plc

Name of entity
 
Place of business/country of incorporation
newcleo SRL
 
Belgium
newcleo2 Ltd.
 
Cayman Islands
newcleo SA
 
France
newcleo Operations
 
France
newcleo Fuel Innovations
 
France
newcleo Lead Fast Reactors Innovations
 
France
newcleo 1
 
France
Pompes Rütschi SAS
 
France
newcleo S.p.a.
 
Italy
newcleo Real Estate S.r.l.
 
Italy
Fucina Italia S.r.l.
 
Italy
S.R.S. Servizi Ricerche e Sviluppo S.r.l.
 
Italy
Proil S.r.l.
 
Italy
CCR Internazionale S.c.r.l.
 
Italy
Consorzio SRS S.c.r.l.
 
Italy
Next-N S.p.A.
 
Italy
newcleo SRO
 
Slovakia
Rütschi Fluid AG
 
Switzerland
newcleo SA
 
Switzerland
newcleo Generation (UK) Ltd
 
United Kingdom
newcleo Americas LLC
 
United States (Delaware)