How much does Core Laboratories (U.K.) Limited make?

Core Laboratories (U.K.) Limited reported revenue of £12.1m and a loss of £18.2m in the year to 31 Dec 2024, according to its accounts filed at Companies House.

How many employees does Core Laboratories (U.K.) Limited have?

Core Laboratories (U.K.) Limited reported an average of 79 employees in the year to 31 Dec 2024.

Is Core Laboratories (U.K.) Limited profitable?

No — Core Laboratories (U.K.) Limited reported a loss of £18.2m in the year to 31 Dec 2024.

Company No. 02924532 · Incorporated 29 Apr 1994

Core Laboratories (U.K.) Limited

Registered name: CORE LABORATORIES (U.K.) LIMITED

Core Laboratories (U.K.) Limited made £12.1m revenue and a £18.2m loss in the year to 31 Dec 2024. read from filing text

Core Laboratories (U.K.) Limited’s revenue grew 1% to £12.1m in the year to 31 Dec 2024, with a loss of £18.2m and 79 employees. The company is classified under “support activities for petroleum and natural gas extraction” and is based in London; we hold 3 years of its filed accounts.

Full P&L filedSection B · Mining and quarryingSIC 09100Support activities for petroleum and natural gas extraction

Status: Active
Location: London, London
Age: 32 yrs · since 1994
Type: Private Limited Company

Part of a group. The filing indicates this company sits within a group structure, so its results may depend on intra-group trading and it may be hard to replicate independently. From the filing: “The immediate parent undertaking is Core Laboratories International B.V.”

Latest accounts · year to 31 Dec 2024

Key figures

Doing more with less

Revenue

£12.1m

Growth ▲0.9%

Profit

−£18.2m

Growth —

Profit margin

−150.5%

Gross 30.5%

Employees

Change ▼4.8%

Profit / employee

−£230k

Revenue/employee £153k

Profitable streak

0yrs

Consecutive profitable years in our data

Badges are automated estimates derived from the filed figures — not statements of fact about the company.

3 filed years

Financial history

Multi-year financials, oldest to newest
Year to	31 Dec 2022	31 Dec 2023	31 Dec 2024
Disclosure	Full P&Lread from filing text	Full P&Lread from filing text	Full P&Lread from filing text
Profit & loss
Revenue (turnover)	£11.5m	£12m	£12.1m
Cost of sales	£6.3m	£7.4m	£8.4m
Gross profit	£5.2m	£4.6m	£3.7m
Operating profit	£20.8m	£3.4m	£7.4m
Profit before tax	−£13.1m	−£637k	−£16.4m
Profit after tax	−£14.2m	−£2.8m	−£18.2m
Profit (best available)	−£14.2m	−£2.8m	−£18.2m
Staff costs	£4.3m	£4.4m	£4.5m
Employees (average)	92	83	79
Ratios
Profit margin	−122.7%	−23.4%	−150.5%
Gross margin	45.2%	38.3%	30.5%
Revenue per employee	£125k	£144k	£153k
Profit per employee	−£154k	−£33.7k	−£230k
Growth (year on year)
Revenue growth	—	▲3.8%	▲0.9%
Headcount growth	—	▼9.8%	▼4.8%
Balance sheet — indirect signals, not revenue
Cash at bank	£50.3k	£45.9k	£114k
Net assets	£103m	£100m	£103m
Fixed assets	£42.6m	£39.1m	£42.2m
Current assets	£63.2m	£63.6m	£65m
Debtors	£1.6m	£1.9m	£1.9m
Deferred income	£316k	£293k	£380k
Source	FullAccounts · bulk data Dec 2024	FullAccounts · bulk data Dec 2024	FullAccounts · bulk data Sep 2025

Derived from the latest filing

How the business works

Profit margin: −150.5%; Profit ÷ revenue.
Gross margin: 30.5%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £153k; Revenue ÷ average employees.
Profit per employee: −£230k; Profit ÷ average employees.
Cash conversion: —; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 349.1%; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: 3.1%; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 15.7%; Money owed by customers. Low = customers pay quickly.

Indirect — not revenue

Balance-sheet signals

Year-on-year changes in filed balance-sheet items. They can hint at momentum (or investment) but are not revenue or profit and must not be read as such.

Net assets: ▲3%; Now £103m
Cash at bank: ▲148%; Now £114k
Headcount: ▼5%; Now 79
Deferred income: ▲30%; Now £380k
Fixed assets: ▲8%; Now £42.2m

Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.

Corporate ownership

Group structure

Subsidiaries (5)

Owen Oil Tools (U.K.) LimitedRev. £10.2m · Profit −£1.2m
Saybolt United Kingdom LimitedRev. £1.7m · Profit −£428k
Core Laboratories Interests One LimitedRev. — · Profit −£229k
Coreton LimitedFigures not disclosed
Labton LimitedFigures not disclosed

Minority corporate shareholders

Core Laboratories Inc. (registered outside the UK register)

From the Persons with Significant Control register (corporate controllers only).

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Dec 2024 (profit −£18.2m), from the Companies House accounts bulk data published Sep 2025. Spotted an error? Request a correction.

Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.