£1.31m
−41%vs Apr 2024Active03127248Private limited companyTrowbridge
ALERTSYSTEMS LIMITED
From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms
01
Summary
ALERTSYSTEMS LIMITED is an active private limited company (company number 03127248) incorporated on 17 November 1995, registered in Trowbridge. Its registered activity is security systems service activities (SIC 80200). Latest full accounts cover the period ending 30 April 2025, showing net assets of £1.31m and cash of £533k, with 137 employees on average. Turnover was £11.71m and profit for the year −£211k. Net assets fell 41% on the prior period (£2.24m).
Peer position · net assets
By net assets it sits in the top quarter of 99 comparable companies in Bristol (median £15k, upper quartile £117k).
02
Key dates
- Incorporated
- 17 November 199530 yrs ago
- Next accounts due
- 30 January 2027in 100 days
- Confirmation statement due
- 1 December 2026in 40 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
03
Activity
- SIC 80200
- Security systems service activities
- Accounts type
- Full
- Size band
- SmallCompanies Act thresholds
04
Financials
£533k
−63%vs Apr 2024£11.71m
−12%vs Apr 2024137
+1%vs Apr 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 April 2025 | £1.31m | £533k | £1.91m | £2.92m | £11.71m | −£211k | 137 |
| 30 April 2024 | £2.24m | £1.45m | £2.37m | £3.41m | £13.27m | £407k | 135 |
| 30 April 2023 | — | — | — | — | — | — | — |
Current ratio1.38Current assets ÷ creditors within one year
Net margin-1.8%Profit for the year ÷ turnover
Cash per employee£3,888Cash ÷ average employees
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
05
Filing and accounts signals
- Net assets above zeroNet assets £1,313,682 at 30 April 2025
- Net assets down 25% or more on the prior period-41.5% vs prior period
- Cash at bank of £50,000 or moreCash £532,674
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 17 November 1995
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 They are not a rating, a prediction or advice, and may be incomplete or out of date.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.
06
Ownership and control
- Alertsystems Group Limited
- owns 75–100% of shares
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
07
Timeline
- Next accounts duein 100 days
- Confirmation statement duein 40 days
- Accounts period endNet assets £1.31m · full accounts
- Accounts period endNet assets £2.24m · full accounts
- Accounts period end
- Incorporated
08
Similar companies in Bristol
- OPTIMUM SECURITY SYSTEMS LTDBristol · inc. Mar 1996
- WRS ALARMS LIMITEDBristol · inc. Aug 1997
- TOLLGATE SECURITY LTDWells · inc. Sept 1997
- CANNON SECURITY LIMITEDBristol · inc. Nov 1993
- BRISTOL CAR KEY COMPANY LTDBristol · inc. Mar 1993
- AVON FIRE SYSTEMS LIMITEDBristol · inc. Jan 1999
All companies incorporated on 17 November 1995 · in Nov 1995.
09
Reminders for ALERTSYSTEMS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.