Allied Universal Electronic Monitoring Limited
Registered name: ALLIED UNIVERSAL ELECTRONIC MONITORING LIMITED
Part of Atlas UK Bidco Limited groupAllied Universal Electronic Monitoring Limited made £67.9m revenue and a £43.2m loss in the year to 31 Dec 2025.
Allied Universal Electronic Monitoring Limited’s revenue grew 50% to £67.9m in the year to 31 Dec 2025, with a loss of £43.2m and 82 employees. The company is classified under “security systems service activities” and is based in London; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- London
- Age
- 35 yrs · since 1991
- Type
- Private Limited Company
Key figures
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) | £28.9m | £45.4m | £67.9m |
| Cost of sales | −£17.8m | −£31.7m | −£44.8m |
| Gross profit | £11m | £13.7m | £23.1m |
| Operating profit | £7m | £8.6m | £18.3m |
| Profit before tax | −£10.6m | −£12.2m | −£47.4m |
| Profit after tax | −£7.4m | −£12.2m | −£43.2m |
| Profit (best available) | −£7.4m | −£12.2m | −£43.2m |
| Employees (average) | 73 | 80 | 82 |
| Ratios | |||
| Profit margin | −25.6% | −27% | −63.6% |
| Gross margin | 38.2% | 30.2% | 34.1% |
| Revenue per employee | £395k | £567k | £828k |
| Profit per employee | −£101k | −£153k | −£527k |
| Growth (year on year) | |||
| Revenue growth | — | ▲57.3% | ▲49.5% |
| Headcount growth | — | ▲9.6% | ▲2.5% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Oct 2025 | Accounts · bulk data Oct 2025 | Accounts · bulk data Oct 2026 |
How the business works
- Profit margin
- −63.6%
- Profit ÷ revenue.
- Gross margin
- 34.1%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £828k
- Revenue ÷ average employees.
- Profit per employee
- −£527k
- 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
- ▲3%
- Now 82
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Atlas UK Bidco Limitedultimate parent75–100%
- G4S Limited75–100%
- G4S Corporate Services Limited75–100%
- G4S UK Holdings Limited75–100%
- G4S Regional Management (UK & I) Limited75–100%
- G4S Care and Justice Services (UK) Limited75–100%
- Allied Universal Electronic Monitoring Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (1)
- Invisible Walls Community Interest CompanyFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from accounts for the year to 31 Dec 2025 (profit −£43.2m), from the Companies House accounts bulk data published Oct 2026. Spotted an error? Request a correction.
Updated from Companies House on 22 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.