How much does I.c.t.s. (U.K.) Limited make?

I.c.t.s. (U.K.) Limited reported revenue of £194m and £7.6m profit in the year to 31 Dec 2025, according to its accounts filed at Companies House.

How many employees does I.c.t.s. (U.K.) Limited have?

I.c.t.s. (U.K.) Limited reported an average of 4,717 employees in the year to 31 Dec 2025.

Is I.c.t.s. (U.K.) Limited profitable?

Yes — I.c.t.s. (U.K.) Limited reported a profit of £7.6m in the year to 31 Dec 2025.

Company No. 02143366 · Incorporated 30 Jun 1987

I.c.t.s. (U.K.) Limited

Registered name: I.C.T.S. (U.K.) LIMITED

I.c.t.s. (U.K.) Limited made £194m revenue and £7.6m profit in the year to 31 Dec 2025.

I.c.t.s. (U.K.) Limited’s revenue grew 14% to £194m in the year to 31 Dec 2025, with £7.6m profit and 4,717 employees. The company is classified under “private security activities” and is based in London; we hold 2 years of its filed accounts.

Full P&L filedSection N · Administrative and support servicesSIC 80100Private security activities

Status: Active
Location: London, London
Age: 39 yrs · since 1987
Type: Private Limited Company

Latest accounts · year to 31 Dec 2025

Key figures

IndependentOperating leverageBoring industry

Revenue

£194m

Growth ▲13.6%

Profit

£7.6m

Growth ▲72.3%

Profit margin

3.9%

Gross 13.8%

Employees

4,717

Change ▲8.9%

Profit / employee

£1.6k

Revenue/employee £41.1k

Profitable streak

2yrs

Consecutive profitable years in our data

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

2 filed years

Financial history

Multi-year financials, oldest to newest
Year to	31 Dec 2024	31 Dec 2025
Disclosure	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£171m	£194m
Cost of sales	−£148m	−£167m
Gross profit	£22.6m	£26.8m
Operating profit	£6.4m	£9.3m
Profit before tax	£6.1m	£9.2m
Profit after tax	£4.4m	£7.6m
Profit (best available)	£4.4m	£7.6m
Employees (average)	4,333	4,717
Ratios
Profit margin	2.6%	3.9%
Gross margin	13.2%	13.8%
Revenue per employee	£39.4k	£41.1k
Profit per employee	£1k	£1.6k
Growth (year on year)
Revenue growth	—	▲13.6%
Profit growth	—	▲72.3%
Headcount growth	—	▲8.9%
Balance sheet — indirect signals, not revenue
Net assets	—	—
Source	Accounts · bulk data Apr 2026	Accounts · bulk data Apr 2026

Derived from the latest filing

How the business works

Profit margin: 3.9%; Profit ÷ revenue.
Gross margin: 13.8%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £41.1k; Revenue ÷ average employees.
Profit per employee: £1.6k; 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: ▲9%; Now 4,717
Deferred income: —; Now —
Fixed assets: —; Now —

Corporate ownership

Group structure

Subsidiaries (2)

Advanced Signal Monitoring LtdFigures not disclosed
Diagnose UK LimitedFigures not disclosed

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 £7.6m), from the Companies House accounts bulk data published Apr 2026. Spotted an error? Request a correction.

Updated from Companies House on 13 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.