OpenRegistry
UK companies/Company owner profile

ENERGY, SECURITY AND TECHNOLOGY UK LIMITED

UK registered
openregistry-gb-15475788·7 UK shareholdings·3 ownership layers

ENERGY, SECURITY AND TECHNOLOGY UK LIMITED is a UK-registered corporate shareholder (Companies House number 15475788) and holds shares in 7 active UK companies, recorded across 7 share-class positions on their Companies House confirmation statements (CS01). Beneath those direct holdings OpenRegistry resolves a further 7 companies spanning 3 ownership layers, of which 3 direct holdings are themselves holding companies; the persons-with-significant-control register independently agrees on 7 of these holdings. Sophymarine OpenRegistry ID openregistry-gb-15475788. It ranks #2,934 of 54,210 corporate shareholders by number of active UK holdings. Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Companies held
7
Share-class positions
7
Identity
UK company 15475788
Jurisdiction
UNITED KINGDOM
Ownership layers below
3
Holdings that are holding companies
3
PSC register agrees on
7 holdings

Shareholdings

Every company ENERGY, SECURITY AND TECHNOLOGY UK LIMITED appears on as a member, as filed. 7 of 7 are linked to their Companies House profile.

Company heldStatusAccountsShare classSharesAs of
AMENTUM ENTERPRISE ASSET SOLUTIONS LIMITEDopenregistry-gb-01172655ActiveFULLORDINARY561,9992024-12-31
NATIONAL NUCLEAR CORPORATION LIMITEDopenregistry-gb-02290928ActiveFULLORDINARY1012025-08-03
AMENTUM E&C LIMITEDopenregistry-gb-04967961ActiveFULLORDINARY51,000,0002024-11-18
ENERGY, SAFETY AND RISK CONSULTANTS (UK) LIMITEDopenregistry-gb-07825532ActiveFULLORDINARY100,0012024-10-27
AMENTUM CLEAN ENERGY LIMITED openregistry-gb-01120437ActiveFULLORDINARY1,0012025-04-10
AMENTUM INTERNATIONAL NUCLEAR SERVICES LIMITED openregistry-gb-05532606ActiveFULLORDINARY SHARES12,845,2442025-08-22
AMENTUM ENTERPRISE ASSET SOLUTIONS CONSTRUCTION LIMITED openregistry-gb-08584259ActiveFULLORDINARY1,0002025-07-05

Ownership structure below these holdings

7 further companies sit beneath this entity’s direct holdings, across 3 layers. Each is linked to its Companies House profile.

Related company owners

Corporate shareholders that hold shares in the same UK companies as ENERGY, SECURITY AND TECHNOLOGY UK LIMITED:

Other corporate shareholders of comparable size registered in UNITED KINGDOM: