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Cash

£2.5k

USD 3,385

-30.7% lowest in 3 filed years

Net assets

£810k

USD 1,091,828

-16.6% first positive since 2023

Employees

0

Average over period

Profit before tax

-£170k

USD -229,490

+79% highest in 3 filed years

Accounts

3-year trend · Δ = latest vs prior filed period · latest reflected 2025-12-31

Metric Trend 2023-12-312024-12-312025-12-31 Δ vs prior
Turnover ——— —
Operating profit -£55,996-£13,521-£22,577 -67%
Profit before tax -£2,040,610-£812,896-£170,308 +79%
Net profit -£2,040,610-£812,896-£170,308 +79%
Cash £3,746£3,625£2,512 -30.7%
Total assets less current liabilities ——£810,262 —
Net assets -£23,167,425£972,077£810,262 -16.6%
Equity -£23,167,425£972,077£810,262 -16.6%
Average employees 000 —
Wages ——— —
Directors' remuneration £0£0£0 —
Highest paid director ——£0 —

Figures converted to GBP from USD at 0.742 per USD (Frankfurter spot rate) — hover any figure for the original. — indicates the figure wasn't present under that line item in that period. The Δ column is the change from the prior filed period as a percentage of |prior|; lines a company doesn't report show —. About these numbers

Ratios

Computed from the line items above — sparklines read oldest → newest

Ratio Trend 2023-12-312024-12-312025-12-31
Return on capital employed ——-2.8%
Gearing (liabilities / total assets) 113.6%99.5%99.5%
Current ratio 0.55x0.64x0.66x
Interest cover -0.01x-0.00x-0.00x

Gearing is liabilities over total assets. Current ratio is current assets over creditors falling due within one year. Interest cover is operating profit over absolute finance costs. Sector-distribution context coming next.

Audit & accounting basis

Accounting basis
FRS 102
Reporting scope
Standalone (parent only)
Auditor
Azets Audit Services
Audit opinion
Unqualified (clean)
Going concern
Affirmed

“At the financial year-end, the Company had net current liabilities of $80,720,773 (2024: $80,515,283) and net assets of $1,091,828 (2024: $1,221,318), however the financial statements have been prepared on a going concern basis which the Directors consider to be appropriate.”

Group structure

  1. CORE LABORATORIES INTERESTS ONE LIMITED · parent
    1. Core Laboratories Interests Two Limited 100% · United Kingdom · Holding company
    2. Quantoil Limited 100% · United Kingdom · Inactive / Subsidiary

Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers

People

3 active · 3 resigned

Name Role Appointed Born Nationality
TMF CORPORATE ADMINISTRATION SERVICES LIMITED Corporate Secretary 2012-01-31 — —
CROMBIE, Alastair Director 2024-05-31 Oct 1969 British
WATSON, Jacqueline Director 2011-05-18 May 1970 British
Show 3 resigned officers
Name Role Appointed Resigned
BRUCE, George Director 2011-05-18 2022-08-31
SULLIVAN, Daniel Austin Director 2011-03-31 2011-05-18
THOMSON, Ewan John Director 2022-08-31 2024-05-31

Ownership

Persons with significant control

Name Kind Nature of control Notified Status
Core Laboratories Inc. Corporate entity Significant influence 2023-05-01 Ceased 2023-05-01
Core Laboratories (U.K.) Limited Corporate entity Shares 75–100%, Voting 75–100%, Appoints directors 2021-05-06 Ceased 2023-05-01
Core Laboratories (U.K.) Limited Corporate entity Shares 75–100%, Voting 75–100%, Appoints directors 2021-05-06 Active
Core Laboratories N.V. Corporate entity Significant influence 2016-04-06 Ceased 2023-05-01

Filing timeline

Last 20 of 56 total filings

Date Type Category Description
2026-09-29 AA accounts Accounts with accounts type full PDF
2026-04-01 CS01 confirmation-statement Confirmation statement with no updates PDF
2025-09-17 AA accounts Accounts with accounts type full PDF
2025-06-19 PSC02 persons-with-significant-control Notification of a person with significant control PDF
2025-06-19 PSC07 persons-with-significant-control Cessation of a person with significant control PDF
2025-04-07 CS01 confirmation-statement Confirmation statement with no updates PDF
2024-12-19 AA accounts Accounts with accounts type full PDF
2024-09-30 CH01 officers Change person director company with change date PDF
2024-06-04 AP01 officers Appoint person director company with name date PDF
2024-06-03 TM01 officers Termination director company with name termination date PDF
2024-04-11 CS01 confirmation-statement Confirmation statement with no updates PDF
2024-04-10 PSC02 persons-with-significant-control Notification of a person with significant control PDF
2024-04-10 PSC07 persons-with-significant-control Cessation of a person with significant control PDF
2024-04-10 PSC07 persons-with-significant-control Cessation of a person with significant control PDF
2023-10-18 AA accounts Accounts with accounts type full
2023-07-25 CH04 officers Change corporate secretary company with change date PDF
2023-07-25 PSC05 persons-with-significant-control Change to a person with significant control PDF
2023-07-24 AD01 address Change registered office address company with date old address new address PDF
2023-04-06 CS01 confirmation-statement Confirmation statement with no updates PDF
2023-01-07 AA accounts Accounts with accounts type full

Public-record activity

Raw counts from Companies House — last 12–24 months

Filings
2

last 12 months

Capital events
0

last 24 months

Officers appointed
0

last 12 months

Officers resigned
0

last 12 months

Direct counts from the register. No score, no rating — see the Filing timeline for the underlying events.

Official Companies House page