How much does Corero Network Security (UK) Limited make?

Corero Network Security (UK) Limited reported revenue of £4.6m and £103k profit in the year to 31 Dec 2025, according to its accounts filed at Companies House.

Is Corero Network Security (UK) Limited profitable?

Yes — Corero Network Security (UK) Limited reported a profit of £103k in the year to 31 Dec 2025.

Company No. 04047090 · Incorporated 4 Aug 2000

Corero Network Security (UK) Limited

Registered name: CORERO NETWORK SECURITY (UK) LIMITED

Part of Corero Network Security PLC group

Corero Network Security (UK) Limited made £4.6m revenue and £103k profit in the year to 31 Dec 2025.

Corero Network Security (UK) Limited’s revenue grew 14% to £4.6m in the year to 31 Dec 2025, with £103k profit. The company is classified under “other business support service activities” and is based in London; we hold 3 years of its filed accounts.

Full P&L filedSection N · Administrative and support servicesSIC 82990Other business support service activities n.e.c.

Status: Active
Location: London, London
Age: 26 yrs · since 2000
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.

Latest accounts · year to 31 Dec 2025

Key figures

Operating leverage

Revenue

£4.6m

Growth ▲14.3%

Profit

£103k

Growth ▲134.1%

Profit margin

2.2%

Gross 95.3%

Employees

—

Change —

Profit / employee

—

Profitable streak

3yrs

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 2023	31 Dec 2024	31 Dec 2025
Disclosure	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£3.9m	£4m	£4.6m
Cost of sales	−£355k	−£238k	−£215k
Gross profit	£3.6m	£3.8m	£4.4m
Operating profit	£23k	£44k	—
Profit before tax	£23k	£44k	£103k
Profit after tax	£23k	£44k	£103k
Profit (best available)	£23k	£44k	£103k
Employees (average)	—	—	—
Ratios
Profit margin	0.6%	1.1%	2.2%
Gross margin	91%	94.1%	95.3%
Growth (year on year)
Revenue growth	—	▲2.1%	▲14.3%
Profit growth	—	▲91.3%	▲134.1%
Balance sheet — indirect signals, not revenue
Net assets	—	—	—
Source	Accounts · bulk data Oct 2025	Accounts · bulk data Oct 2025	Accounts · bulk data Aug 2026

Derived from the latest filing

How the business works

Profit margin: 2.2%; Profit ÷ revenue.
Gross margin: 95.3%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: —; Revenue ÷ average employees.
Profit per employee: —; Profit ÷ average employees.
Cash conversion: —; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: —; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: —; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: —; 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: —; Now —
Cash at bank: —; Now —
Headcount: —; Now —
Deferred income: —; Now —
Fixed assets: —; Now —

Corporate ownership

Group structure

Ownership chain

Corero Network Security PLCultimate parent75–100%
Corero Network Security (UK) Limitedthis company

Bands show the share of ownership each company holds in the one below it.

Sister companies (1)

Corero Group Services LimitedFigures not disclosed

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

Same industry, similar size

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Sources

Companies House profile Filing history & original accounts

Latest figures from accounts for the year to 31 Dec 2025 (profit £103k), from the Companies House accounts bulk data published Aug 2026. Spotted an error? Request a correction.

Updated from Companies House on 12 Oct 2026

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