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AMENTUM INTERNATIONAL NUCLEAR SERVICES LIMITED

Active
05532606·incorporated 2005-08-10

AMENTUM INTERNATIONAL NUCLEAR SERVICES LIMITED is an active UK private limited company, incorporated on 10 August 2005 at Companies House (number 05532606; OpenRegistry canonical ID GB-05532606-amentum-international-nuclear-services-limited). Sophymarine's OpenRegistry classifies it under SIC 71129 (Other engineering activities), one of 29,188 active UK entities in that code and one of 19,776 active companies registered in Warrington (postcode WA3). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
2005-08-10
Registered Address
305 BRIDGEWATER PLACE, BIRCHWOOD PARK, WARRINGTON, WA3 6XF, UNITED KINGDOM
SIC
71129 — Other engineering activities
Country of origin
United Kingdom

Directors

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Shareholders

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Financials

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Filings

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Accounts

Last filed accounts made up to 2024-09-27. Next accounts due 2026-06-30. Financial year-end: 30/09. Filing class: FULL.

Confirmation statement

Last confirmation statement made up to 2025-08-22. Next confirmation statement due 2026-09-05.

Persons with significant control

AMENTUM INTERNATIONAL NUCLEAR SERVICES LIMITED has 1 person with significant control on file:

  • No individual or entity with significant control has been identified.

2 historical PSC records have ceased:

  • Ch2m Hill Holdings Limited (England reg. 12661700). Notified 2020-07-14. Ceased 2024-06-05.
    • Owns 75% or more of shares
    • Holds 75% or more of voting rights
    • Has the right to appoint and remove directors
  • (unnamed). Notified 2016-08-22. Ceased 2020-07-14.

Previous names

AMENTUM INTERNATIONAL NUCLEAR SERVICES LIMITED has previously traded as:

  • CH2M HILL INTERNATIONAL NUCLEAR SERVICES LTD (until 2024-09-30)

Similar UK companies

Other companies registered under SIC 71129 (Other engineering activities):

Other companies registered in Warrington:

Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/05532606.

Source: Companies House Free Company Data, refreshed 2026-06-06. Official record: find-and-update.company-information.service.gov.uk.