Amentum posted $3.93 billion in fourth-quarter revenue for fiscal year 2025, up 77 percent from the prior-year period.
In an earnings release published Monday, the advanced engineering and technology company said its annual revenue was $14.4 billion, up 4 percent on a pro forma basis. This surge was driven by sustained demand and yearly growth in both its Digital Solutions and Global Engineering Solutions segments.
Amentum also reported an annual net income of $66 million and an adjusted EBITDA of $1.1 billion, up 5 percent year-over-year. The company generated $542 million in annual operating cash flow and $516 million in annual free cash flow. It also reported an annual diluted earnings per share of $0.27 and an annual adjusted diluted EPS of $2.22. In addition, Amentum ended the quarter with a backlog of $47 million, while the book-to-bill ratio was 1.6 for the fourth quarter and 1.2 for the full year. It also reduced net debt to $3.6 billion and net leverage to 3.2.
CEO John Heller on Amentum’s Fourth Quarter Performance
“Amentum’s strong fourth quarter results cap off what has been a remarkable first year as a public company. Financial performance exceeded our expectations, demonstrating the resilience of our business and its alignment with enduring global trends and the mission critical priorities of our customers,” said Amentum CEO John Heller.
“Looking ahead, Amentum is well positioned to benefit from tailwinds in key strategic growth areas including global nuclear energy, critical digital infrastructure, and space systems and technology. With a robust financial backdrop, recognized leadership in accelerating global markets, and a team focused on delivering innovative solutions, we enter fiscal year 2026 with significant momentum and excitement for the future,” continued the nine-time Wash100 Award winner.
What Contracts Did Amentum Secure in Q4 FY25?
Amentum strengthened its backlog and long-term revenue visibility through major contract wins, including the $10-year, $4 billion Space Force Range contract, the 15-year, $1.8 billion Sellafield nuclear remediation agreement and the nine-year, $1.8 billion NASA Cosmos contract. The company also secured nearly $700 million in intelligence and advanced engineering awards, including the development and delivery of AI-enabled software coding capabilities for intelligence customers. These contracts reflect Amentum’s strategic growth in space systems and technologies, global nuclear energy and advanced engineering services across both government and commercial sectors.
How Is Amentum Positioned to Support the Golden Dome Initiative?
Amentum Chief Operating Officer Stephen Arnette, also a previous Wash100 Award winner, noted that the company views the Golden Dome program as a strong growth opportunity, leveraging its existing expertise with the Missile Defense Agency and NORAD in digital missile defense, hypersonic satellite detection and virtual engineering. The company is participating in the $150 billion Scalable Homeland Innovative Enterprise Layered Defense, or SHIELD, contract and expects task orders to begin in the latter part of FY 2026. By combining national security and civilian space experience, including work under the Space Force Range contract and collaborations with commercial partners, Amentum positions itself to support the government’s national security and commercial objectives across the space domain.
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