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Amentum Joint Venture Secures Preferred Position for Major UK Nuclear Contract

Business Wire•30/09/2026•03:00 ET
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Key Highlights

  • ➤Contract value up to $2.78 billion (£2.1 billion)
  • ➤Amentum (AMTM) joint venture selected as preferred supplier for Sellafield’s PACE framework
  • ➤Initial contract duration is nine years, with optional six-year extension
  • ➤OneAxIoM, Amentum and Mitie Plc joint venture, will deliver Lot 1
  • ➤Formal framework award awaits final contractual arrangements

Expert Statements

John Heller, Chief Executive Officer of Amentum

“Sellafield Ltd has selected us and our trusted suppliers because of our record of excellent delivery performance, collaborative behaviors and constant innovation and improvement, driven by application of technologies such as digital visualization and advanced robotics.”

John Heller, Chief Executive Officer of Amentum

“PACE provides a significant, long-term growth opportunity for Amentum at Sellafield, building on our existing capability and relationships while also enabling us to deliver a broader, integrated full lifecycle scope on higher value projects across engineering and asset care.”

Matthew Johns, Chief Engineer, Sellafield Ltd

“Our mission is to create a clean, safe and secure environment for future generations. To do this we must ensure our assets remain safe, reliable and fit for the future.”

Matthew Johns, Chief Engineer, Sellafield Ltd

“The PACE agreement is an important step to strengthen our asset care capability. It will provide the expertise we need to maintain a high standard of safe and efficient delivery.”

Amentum Joint Venture Secures Preferred Position for Major UK Nuclear Contract

United Kingdom nuclear site operator Sellafield Ltd has selected an Amentum (NYSE: AMTM) joint venture as preferred supplier for an asset care and asset creation program valued at up to $2.78 billion (£2.1 billion).

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