London Security PLC.
Registered name: LONDON SECURITY PLC.
Part of Eoi Fire Sarl groupLondon Security PLC. made £244m revenue and £23.8m profit in the year to 31 Dec 2025.
London Security PLC.’s revenue grew 11% to £244m in the year to 31 Dec 2025, with £23.8m profit. The company is classified under “other manufacturing” and is based in Elland; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Elland, Yorkshire and The Humber
- Age
- 129 yrs · since 1897
- Type
- Public 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.
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| 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) | £220m | £221m | £244m |
| Cost of sales | −£59m | −£58.8m | −£65.3m |
| Gross profit | £161m | £162m | £179m |
| Operating profit | £31.6m | £29.7m | £32.7m |
| Profit before tax | £31.5m | £29.7m | £32.5m |
| Profit after tax | £23.3m | £21.7m | £23.8m |
| Profit (best available) | £23.3m | £21.7m | £23.8m |
| Employees (average) | 1,635 | 1,639 | — |
| Ratios | |||
| Profit margin | 10.6% | 9.8% | 9.7% |
| Gross margin | 73.2% | 73.4% | 73.3% |
| Revenue per employee | £134k | £135k | — |
| Profit per employee | £14.2k | £13.2k | — |
| Growth (year on year) | |||
| Revenue growth | — | ▲0.4% | ▲10.7% |
| Profit growth | — | ▼6.9% | ▲9.8% |
| Headcount growth | — | ▲0.2% | — |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Jun 2025 | Accounts · bulk data Jun 2025 | Accounts · bulk data Jul 2026 |
How the business works
- Profit margin
- 9.7%
- Profit ÷ revenue.
- Gross margin
- 73.3%
- 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.
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 —
Group structure
Ownership chain
- Eoi Fire Sarl (registered outside the UK register)ultimate parent75–100%
- London Security PLC.this company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (1)
- Fire Protection Holdings LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
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Sources
Latest figures from accounts for the year to 31 Dec 2025 (profit £23.8m), from the Companies House accounts bulk data published Jul 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.