SCHLUMBERGER OILFIELD UK LIMITED

UK registered

Companies House number 04157867·12 UK shareholdings·2 ownership layers

SCHLUMBERGER OILFIELD UK LIMITED is a UK-registered corporate shareholder (Companies House number 04157867) and holds shares in 12 active UK companies, recorded across 15 share-class positions on their Companies House confirmation statements (CS01). Beneath those direct holdings OpenRegistry resolves a further 4 companies spanning 2 ownership layers, of which 1 direct holdings are themselves holding companies; the persons-with-significant-control register independently agrees on 7 of these holdings. It ranks #1,870 of 54,210 corporate shareholders by number of active UK holdings. Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Companies held
12

Share-class positions
15

Identity
UK company 04157867

Jurisdiction
UNITED KINGDOM

Ownership layers below
2

Holdings that are holding companies
1

PSC register agrees on
7 holdings

Company profile

Companies House profile of SCHLUMBERGER OILFIELD UK LIMITED

Shareholders

Shares held by SCHLUMBERGER OILFIELD UK LIMITED in 12 UK companies

Ownership chain

4 companies across 2 layers beneath SCHLUMBERGER OILFIELD UK LIMITED

Official record

Companies House record 04157867

Shareholdings

Every company SCHLUMBERGER OILFIELD UK LIMITED appears on as a member, as filed. 12 of 12 are linked to their Companies House profile.

Company held	Status	Accounts	Share class	Shares	% of class	% of capital	Total % of capital	As of
WESTERNGECO LIMITED01389716	Active	AUDIT EXEMPTION SUBSIDIARY	£1 ORDINARY	2,045,587	100.00%	100.00%	100.00%	2024-06-21
QLM TECHNOLOGY LTD10673098	Active	SMALL	B ORDINARY	17,379,679	53.72%	26.67%	26.67%	2024-06-20
PALOAK LIMITEDSC069075	Active	TOTAL EXEMPTION FULL	ORDINARY	44,710	3.36%	3.36%	3.36%	2026-05-09
SCHLUMBERGER CAMBRIDGE RESEARCH LIMITED00606177	Active	AUDIT EXEMPTION SUBSIDIARY	ORDINARY	70,875				2022-09-25
RMSPUMPTOOLS LIMITED01745584	Active	FULL	ORDINARY	40,892				2026-01-19
DIAMOULD LIMITED03797278	Active	AUDIT EXEMPTION SUBSIDIARY	ORDINARY-A	0				2023-06-28
DIAMOULD LIMITED03797278	Active	AUDIT EXEMPTION SUBSIDIARY	ORDINARY-B	0				2023-06-28
CAMERON PETROLEUM (UK) LIMITED04589882	Active	AUDIT EXEMPTION SUBSIDIARY	ORDINARY	1,000				2024-11-13
ROCKWASH GEODATA LTD07272991	Active	SMALL	ORDINARY	0				2025-03-16
ONESUBSEA INVESTMENTS UK LIMITED ▼08431671	Active	AUDIT EXEMPTION SUBSIDIARY	ORDINARY	109,065,159				2025-03-06
BISN HOLDINGS LIMITED09090506	Active	GROUP	SERIES B PREFERRED	440,000				2025-10-08
BISN HOLDINGS LIMITED09090506	Active	GROUP	B2 SHARES	500,000				2025-10-08
IMMATERIAL LTD09829727	Active	SMALL	SERIES A2 PREFERRED	302,957				2025-10-18
IMMATERIAL LTD09829727	Active	SMALL	SERIES A1 PREFERRED	242,277				2025-10-18
GYRODATA LIMITEDSC082865	Active - Proposal to Strike off	AUDIT EXEMPTION SUBSIDIARY	ORDINARY	1				2026-05-09

Ownership structure below these holdings

4 further companies sit beneath this entity’s direct holdings, across 2 layers. Each is linked to its Companies House profile.

ONESUBSEA INVESTMENTS UK LIMITED08431671
- ONESUBSEA ANGOLA LIMITED00320535 ORDINARY · 100.00%
- ONESUBSEA INTERNATIONAL IP LTD11696837 ORDINARY · 100.00%
- ENOVATE SYSTEMS LIMITEDSC223219 ORDINARY · 100.00%
- ONESUBSEA UK LIMITED00400176 ORDINARY

Related company owners

Corporate shareholders that hold shares in the same UK companies as SCHLUMBERGER OILFIELD UK LIMITED:

ONESUBSEA INVESTMENTS UK LIMITED08431671 4 shared holdings
AP VENTURES FUND II GP LLPOC422436 4 shared holdings
CAMBRIDGE ENTERPRISE LIMITED01069886 2 shared holdings
RAPID INNOVATION GROUP LIMITED04413734 2 shared holdings
NABLA VENTURES LTD.09992692 2 shared holdings
NEWABLE EQUITY LIMITED10982413 2 shared holdings

Other corporate shareholders of comparable size registered in UNITED KINGDOM:

NETWORK DIGITAL MARKETING LIMITED04009390 9 UK holdings
CAPINO INVESTMENT LIMITED04013986 9 UK holdings
ESBII UK LIMITED04048938 9 UK holdings
SUTTON VENTURE GROUP LIMITED04070786 9 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.