Black Box Security Alarm Systems Ltd
Registered name: BLACK BOX SECURITY ALARM SYSTEMS LTD
Part of Scutum UK & Ireland Ltd groupBlack Box Security Alarm Systems Ltd does not publish its revenue or profit. Its accounts to 31 Dec 2025 show net assets of £2.1m and 92 employees.
Black Box Security Alarm Systems Ltd did not publish its revenue or profit — small companies aren’t required to file a profit & loss account. Its accounts for the year to 31 Dec 2025 showed net assets of £2.1m and 92 employees. The company is classified under “other service activities” and is based in Chorley; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Chorley, North West
- Age
- 36 yrs · since 1990
- 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: “Throughout the year the company's entire share capital was held by Black Box Investments Limited, a company incorporated in the United Kingdom.”
Key figures
Revenue not disclosed
Black Box Security Alarm Systems Ltd’s accounts for the year to 31 Dec 2025 contain a balance sheet but no profit & loss account, so its revenue and profit are not public. UK small and micro-entity companies are not required to publish a P&L — this is normal and says nothing about how the business is performing.
We never estimate revenue. Below you’ll find the balance-sheet figures that were filed — useful as indirect signals of momentum, but they are not revenue or profit.
- Employees
- 92
- Net assets
- £2.1m
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Oct 2022 | 31 Oct 2023 | 31 Oct 2024 | 31 Dec 2025 |
|---|---|---|---|---|
| Disclosure | No P&L | No P&L | No P&L | No P&L |
| Profit & loss | ||||
| Revenue (turnover) | — | — | — | — |
| Profit (best available) | — | — | — | — |
| Employees (average) | 59 | 61 | 85 | 92 |
| Ratios | ||||
| Profit margin | — | — | — | — |
| Growth (year on year) | ||||
| Headcount growth | — | ▲3.4% | ▲39.3% | — |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £170k | £592 | £143k | £298k |
| Net assets | £897k | £1.2m | £1.4m | £2.1m |
| Fixed assets | £288k | £322k | £700k | £494k |
| Current assets | £1.8m | £2.6m | £3.2m | £3.8m |
| Debtors | £837k | £1.5m | £1.4m | £1.2m |
| Deferred income | £733k | £832k | £1.2m | £1.2m |
| Source | FullAccounts · bulk data May 2024 | FullAccounts · bulk data May 2024 | FullAccounts · bulk data Apr 2025 | FullAccounts · bulk data Jun 2026 |
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 £2.1m
- Cash at bank
- —
- Now £298k
- Headcount
- —
- Now 92
- Deferred income
- —
- Now £1.2m
- Fixed assets
- —
- Now £494k
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
Group structure
Ownership chain
- Scutum UK & Ireland Ltdultimate parent75–100%
- Black Box Investments Limited75–100%
- Black Box Security Alarm Systems Ltdthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (1)
- Integrated Network Systems 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, from the Companies House accounts bulk data published Jun 2026. Spotted an error? Request a correction.
Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.