Amentum
Technical services, engineering, and defense contractor serving U.S. government and allied partners.
Amentum is an American government and commercial services contractor based in Chantilly, VA, formed in 2020 as a spin-off from AECOM's Management Services group. The company provides engineering, logistics, nuclear remediation, space operations, and cybersecurity services primarily to U.S. government agencies. Amentum went public on the NYSE in September 2024 under the ticker AMTM and reported approximately $14.4 billion in revenue in fiscal 2025, with over 53,000 employees operating in more than 70 countries.
Overview
- Headquarters
- Chantilly, VA
- Founded
- 2020
- Employees
- 53,000+
- Total funding
- Public (NYSE: AMTM)
- Valuation
- Public (NYSE: AMTM)
- Stage
- Public
- Status
- public
- Domains
- Engineering services, Logistics, Nuclear remediation, Space operations, Cybersecurity
- www.linkedin.com/company/amentum
- X / Twitter
- x.com/AmentumOfficial
- Website
- amentum.com
Founders0
No linked records yet.
Investors0
No linked records yet.
Cap table5
Approximate ownership by holder. Indexed holders link to their records.
| Holder | Instrument | Ownership |
|---|---|---|
American Securities LLC (ASP Amentum Investco LP) | Common | 18.04% |
Lindsay Goldberg | Common | 18.04% |
Invesco Ltd. | Common | 9.10% |
BlackRock, Inc. | Common | 6.90% |
The Vanguard Group | Common | 6.79% |
Contracts2
- ContractSpace Force Eastern and Western Range ContractAmentum selected to operate and maintain Space Force launch ranges.
- ContractNITE-STAR IDIQ Vendor Pool PositionAmentum is one of 15 vendor-pool awardees on the Space Force's $981M NITE-STAR IDIQ for space test/training infrastructure modernization.
Frequently asked
- What does Amentum do?
- Amentum is an American government and commercial services contractor based in Chantilly, VA, formed in 2020 as a spin-off from AECOM's Management Services group. The company provides engineering, logistics, nuclear remediation, space operations, and cybersecurity services primarily to U.S. government agencies. Amentum went public on the NYSE in September 2024 under the ticker AMTM and reported approximately $14.4 billion in revenue in fiscal 2025, with over 53,000 employees operating in more than 70 countries.
- Where is Amentum headquartered?
- Amentum is headquartered in Chantilly, VA and was founded in 2020.
- What does Amentum specialize in?
- Amentum works across Engineering services, Logistics, Nuclear remediation, Space operations, Cybersecurity.
- Does Amentum hold government contracts?
- Defense Tech Atlas links Amentum to 2 government contracts and 1 program.
Sources & citations3
3 sources behind every claim
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