Southern Monitoring Services Limited
Registered name: SOUTHERN MONITORING SERVICES LIMITED
Part of Securitas Ab groupSouthern Monitoring Services Limited made £0 profit in the year to 31 Dec 2025 (revenue not disclosed).
Southern Monitoring Services Limited reported £0 profit in the year to 31 Dec 2025, down 100% on the year before; its revenue was not disclosed. It had 0 employees. The company is classified under “security systems service activities” and is based in Milton Keynes; we hold 5 years of its filed accounts.
- Status
- Active
- Location
- Milton Keynes, South East
- Age
- 43 yrs · since 1983
- 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. From the filing: “The company is a wholly owned subsidiary of Securitas Technology Limited, a company incorporated in the United Kingdom. Before 22 July 2022 the ultimate parent company was Stanley Black & Decker, Inc.”
Key figures
This company published its profit but not its turnover, so revenue and margins are not disclosed. We never estimate them.
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Dec 2021 | 31 Dec 2022 | 31 Dec 2023 | 31 Dec 2024 | 31 Dec 2025 |
|---|---|---|---|---|---|
| Disclosure | Full P&Lread from filing text | Full P&Lread from filing text | Full P&Lread from filing text | Full P&Lread from filing text | Profit only |
| Profit & loss | |||||
| Revenue (turnover) | £10.7m | £11m | £11.3m | £10.3m | — |
| Cost of sales | £8.3m | £8.7m | £8.5m | £6.9m | — |
| Gross profit | £2.4m | £2.3m | £2.8m | £3.4m | — |
| Operating profit | £818k | £584k | £515k | £1.2m | — |
| Profit before tax | £818k | £623k | £762k | £647k | £0 |
| Profit after tax | £834k | £493k | £929k | £647k | £0 |
| Profit (best available) | £834k | £493k | £929k | £647k | £0 |
| Staff costs | £3.2m | £3.8m | £3.7m | £2.8m | £0 |
| Employees (average) | 117 | 117 | 117 | 100 | 0 |
| Ratios | |||||
| Profit margin | 7.8% | 4.5% | 8.2% | 6.3% | — |
| Gross margin | 22.4% | 20.6% | 24.8% | 32.8% | — |
| Revenue per employee | £91.3k | £93.7k | £96.6k | £103k | — |
| Profit per employee | £7.1k | £4.2k | £7.9k | £6.5k | — |
| Growth (year on year) | |||||
| Revenue growth | — | ▲2.6% | ▲3.1% | ▼8.6% | — |
| Profit growth | — | ▼41% | ▲88.5% | ▼30.3% | ▼100% |
| Headcount growth | — | 0% | 0% | ▼14.5% | ▼100% |
| Balance sheet — indirect signals, not revenue | |||||
| Cash at bank | £0 | £346k | £57.3k | £0 | — |
| Net assets | £3.8m | £4.3m | £5.2m | £111 | £111 |
| Fixed assets | £560k | £493k | £339k | £0 | — |
| Current assets | £6.3m | £6.8m | £8.4m | £111 | — |
| Debtors | £1.7m | £1.7m | £1.9m | £0 | £111 |
| Deferred income | £1.7m | £1.7m | £2m | £0 | — |
| Source | FullAccounts · bulk data Dec 2023 | FullAccounts · bulk data Dec 2023 | FullAccounts · bulk data Dec 2024 | FullAccounts · bulk data Apr 2025 | FullAccounts · bulk data Sep 2026 |
How the business works
- Profit margin
- —
- Profit ÷ revenue.
- Gross margin
- —
- 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
- 0%
- Now £111
- Cash at bank
- —
- Now —
- Headcount
- ▼100%
- Now 0
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Securitas Ab (registered outside the UK register)ultimate parent75–100%
- Securitas Services Holding UK Limited75–100%
- Niscayah Holdings Limited75–100%
- Securitas Technology Limited75–100%
- Southern Monitoring Services Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (3)
- Christie Intruder Alarms LimitedActive - Proposal to Strike offRev. — · Profit £316k
- Pacom UK LimitedFigures not disclosed
- Securitas Technology (Ni) LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
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Sources
Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £0), from the Companies House accounts bulk data published Sep 2026. Spotted an error? Request a correction.
Updated from Companies House on 23 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.