How much does F-Secure (UK) Ltd make?

F-Secure (UK) Ltd reported revenue of £2.1m and £154k profit in the year to 31 Dec 2025, according to its accounts filed at Companies House.

How many employees does F-Secure (UK) Ltd have?

F-Secure (UK) Ltd reported an average of 11 employees in the year to 31 Dec 2025.

Is F-Secure (UK) Ltd profitable?

Yes — F-Secure (UK) Ltd reported a profit of £154k in the year to 31 Dec 2025.

Company No. 03782275 · Incorporated 3 Jun 1999

F-Secure (UK) Ltd

Registered name: F-SECURE (UK) LTD

Part of F-Secure Oyj group

F-Secure (UK) Ltd made £2.1m revenue and £154k profit in the year to 31 Dec 2025.

F-Secure (UK) Ltd’s revenue fell 12% to £2.1m in the year to 31 Dec 2025, with £154k profit and 11 employees. The company is classified under “other information service activities” and is based in Gerrards Cross, Buckinghamshire; we hold 3 years of its filed accounts.

Full P&L filedSection J · Information and communicationSIC 63990Other information service activities n.e.c.

Status: Active
Location: Gerrards Cross, Buckinghamshire, South East
Age: 27 yrs · since 1999
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

Revenue

£2.1m

Growth ▼12.4%

Profit

£154k

Growth ▼37.5%

Profit margin

7.2%

Employees

Change ▼15.4%

Profit / employee

£14k

Revenue/employee £193k

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)	£3m	£2.4m	£2.1m
Operating profit	£226k	£173k	£154k
Profit before tax	£332k	£302k	£199k
Profit after tax	£228k	£246k	£154k
Profit (best available)	£228k	£246k	£154k
Employees (average)	16	13	11
Ratios
Profit margin	7.5%	10.2%	7.2%
Revenue per employee	£190k	£186k	£193k
Profit per employee	£14.3k	£18.9k	£14k
Growth (year on year)
Revenue growth	—	▼20.4%	▼12.4%
Profit growth	—	▲7.6%	▼37.5%
Headcount growth	—	▼18.8%	▼15.4%
Balance sheet — indirect signals, not revenue
Net assets	—	—	—
Source	Accounts · bulk data Jul 2025	Accounts · bulk data Jul 2025	Accounts · bulk data Aug 2026

Derived from the latest filing

How the business works

Profit margin: 7.2%; Profit ÷ revenue.
Gross margin: —; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £193k; Revenue ÷ average employees.
Profit per employee: £14k; 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: ▼15%; Now 11
Deferred income: —; Now —
Fixed assets: —; Now —

Corporate ownership

Group structure

Ownership chain

F-Secure Oyj (registered outside the UK register)ultimate parent75–100%
F-Secure (UK) Ltdthis company

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

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 accounts for the year to 31 Dec 2025 (profit £154k), 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.