JACOBS U.K. LIMITED

UK registered

Companies House number 02594504·11 UK shareholdings·4 ownership layers

JACOBS U.K. LIMITED is a UK-registered corporate shareholder (Companies House number 02594504) and holds shares in 11 active UK companies, recorded across 11 share-class positions on their Companies House confirmation statements (CS01). Beneath those direct holdings OpenRegistry resolves a further 8 companies spanning 4 ownership layers, of which 3 direct holdings are themselves holding companies; the persons-with-significant-control register independently agrees on 11 of these holdings. It ranks #1,262 of 54,210 corporate shareholders by number of active UK holdings. Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Companies held
11

Share-class positions
11

Identity
UK company 02594504

Jurisdiction
UNITED KINGDOM

Ownership layers below
4

Holdings that are holding companies
3

PSC register agrees on
11 holdings

Company profile

Companies House profile of JACOBS U.K. LIMITED

Shareholders

Shares held by JACOBS U.K. LIMITED in 11 UK companies

Ownership chain

8 companies across 4 layers beneath JACOBS U.K. LIMITED

Official record

Companies House record 02594504

Shareholdings

Every company JACOBS U.K. LIMITED appears on as a member, as filed. 11 of 11 are linked to their Companies House profile.

Company held	Status	Accounts	Share class	Shares	% of class	% of capital	Total % of capital	As of
JACOBSGIBB LTD02387707	Active	FULL	ORDINARY	3,412,000	100.00%	100.00%	100.00%	2026-01-20
SIMETRICA-JACOBS LTD09035322	Active	FULL	ORDINARY	100	100.00%	100.00%	100.00%	2023-10-10
AMENTUM CLEAN ENERGY LIMITED ▼01120437	Active	FULL	ORDINARY	0				2025-04-10
AMENTUM ENTERPRISE ASSET SOLUTIONS LIMITED01172655	Active	FULL	ORDINARY	0				2024-12-31
NATIONAL NUCLEAR CORPORATION LIMITED02290928	Active	FULL	ORDINARY	0				2025-08-03
AMENTUM E&C LIMITED04967961	Active	FULL	ORDINARY	0				2024-11-18
RINGWAY JACOBS LIMITED05576465	Active	FULL	ORDINARY	5,000				2023-12-31
ENERGY, SAFETY AND RISK CONSULTANTS (UK) LIMITED07825532	Active	FULL	ORDINARY	0				2024-10-27
AMENTUM ENTERPRISE ASSET SOLUTIONS CONSTRUCTION LIMITED ▼08584259	Active	FULL	ORDINARY	0				2025-07-05
ENERGY, SECURITY AND TECHNOLOGY UK LIMITED ▼15475788	Active	FULL	ORDINARY	0				2025-02-08
BEAR SCOTLAND LIMITEDSC206139	Active	GROUP	ORDINARY	50,000				2023-04-11

Ownership structure below these holdings

8 further companies sit beneath this entity’s direct holdings, across 4 layers. Each is linked to its Companies House profile.

AMENTUM CLEAN ENERGY LIMITED01120437
- FAST REACTOR TECHNOLOGY LIMITED01853864 ORDINARY
- PWR POWER PROJECTS LIMITED02281663 ORDINARY A
- AMENTUM CLEAN ENERGY INTERNATIONAL LIMITED03260477 ORDINARY
- ALKALI METAL PROCESSING LIMITED15030946 ORDINARY
AMENTUM ENTERPRISE ASSET SOLUTIONS CONSTRUCTION LIMITED08584259
- CUMBRIA NUCLEAR SOLUTIONS LIMITED05699216 ORDINARY · 20.00%
ENERGY, SECURITY AND TECHNOLOGY UK LIMITED15475788
- AMENTUM INTERNATIONAL NUCLEAR SERVICES LIMITED05532606 ORDINARY SHARES
  - CAVENDISH DOUNREAY PARTNERSHIP LIMITED07868218 ORDINARY-B
    - DOUNREAY SITE RESTORATION LIMITEDSC307493 B ORDINARY

Related company owners

Corporate shareholders that hold shares in the same UK companies as JACOBS U.K. LIMITED:

ENERGY, SECURITY AND TECHNOLOGY UK LIMITED15475788 6 shared holdings
VINCI CONSTRUCTION HOLDING LIMITED03365601 2 shared holdings
WOOD FINANCE UK LIMITED03725076 2 shared holdings
EUROVIA UK LIMITED02884116 1 shared holding
JACOBS UK HOLDINGS LIMITED04420029 1 shared holding
JACOBS EUROPE HOLDCO LIMITED09188414 1 shared holding

Other corporate shareholders of comparable size registered in UNITED KINGDOM:

MICK GEORGE LIMITED02417831 11 UK holdings
THE TRAVEL CHAPTER LIMITED02431506 11 UK holdings
ORIGIN UK OPERATIONS LIMITED02465499 11 UK holdings
THE SALVATION ARMY INTERNATIONAL TRUSTEE COMPANY02538134 11 UK holdings

Every company on this page is identified by its original Companies House registration number, shown beside its name and repeated in the data-company-number attribute of the same element. A shareholder that does not resolve to a registered company carries no number.

▼ marks a holding that itself holds shares in further companies, so ownership continues below it.

“% of capital” is the entity’s share of issued capital by nominal value, the correct basis when a company has multiple share classes.

Figures are as filed on each company’s most recent confirmation statement; the “As of” column gives that statement date. Source: Companies House Free Company Data and CS01 confirmation statements. Official record: find-and-update.company-information.service.gov.uk.