£2.07m
+47%vs Oct 2024Active02481608Private limited companyChorley
BLACK BOX SECURITY ALARM SYSTEMS LTD
Significant control: Black Box Investments Limited (75–100%)
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
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What does Black Box Security Alarm Systems Ltd sell?
Registered activity: Other service activities n.e.c. (SIC 96090). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
BLACK BOX SECURITY ALARM SYSTEMS LTD is an active private limited company (company number 02481608) incorporated on 15 March 1990, registered in Chorley. Its registered activity is other service activities n.e.c. (SIC 96090). Latest small accounts cover the period ending 31 December 2025, showing net assets of £2.07m and cash of £298k, with 92 employees on average. Net assets rose 47% on the prior period (£1.40m).
Peer position · net assets
By net assets it sits in the top quarter of 1,842 comparable companies in Lancashire (median £900, upper quartile £23k).
02
Ownership and control
- Black Box Investments Limited
- owns 75–100% of shares
- holds 75–100% of voting rights
- can appoint or remove directors
- Mr Mark Richard Rothwell
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
- Mr Douglas Robinson
- owns 25–50% of shares
- holds 25–50% of voting rights
- can appoint or remove directors
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.
03
Key dates
- Incorporated
- 15 March 199036 yrs ago
- Next accounts due
- 30 September 2027in 338 days
- Confirmation statement due
- 29 March 2027in 153 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 96090
- Other service activities n.e.c.
- Accounts type
- Small
- Size band
- SmallCompanies Act thresholds
05
Financials
£298k
+109%vs Oct 2024Not reported
92
+8%vs Oct 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £2.07m | £298k | £3.30m | £2.17m | — | — | 92 |
| 31 October 2024 | £1.40m | £143k | £2.83m | £2.36m | — | — | 85 |
Current ratio1.77Current assets ÷ creditors within one year
Cash per employee£3,243Cash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
06
Filing and accounts signals
- Net assets above zeroNet assets £2,070,245 at 31 December 2025
- Net assets up 10% or more on the prior period+47.5% vs prior period
- Current assets at least 1.5× creditors within one yearCurrent ratio 1.77
- Cash at bank of £50,000 or moreCash £298,359
- Incorporated five or more years agoIncorporated 15 March 1990
Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.
07
Timeline
- Next accounts duein 338 days
- Confirmation statement duein 153 days
- Accounts period endNet assets £2.07m · small accounts
- Accounts period endNet assets £1.40m · small accounts
- Incorporated
08
Similar companies in Lancashire
- IMPACT DEVELOPMENT TRAINING LTD.Ambleside · inc. Mar 1990
- NEWGROUND TOGETHERBlackburn · inc. May 1990
- ADLINGTON AND DISTRICT CARNIVAL COMMITTEE LIMITEDChorley · inc. Sept 1989
- SGN FIRE & SECURITY LIMITEDKendal · inc. Aug 1989
- ABSEIL COMMERCIAL LIMITEDKendal · inc. Nov 1990
- LEYLAND TAXI SERVICES LIMITEDLeyland · inc. Dec 1990
All companies incorporated on 15 March 1990 · in Mar 1990.
09
Reminders for BLACK BOX SECURITY ALARM SYSTEMS LTD
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