£561k
−6%vs Apr 2024Active03910171Private limited companyBishop'S Stortford
SENTRY ALARMS SECURITY SYSTEMS LIMITED
Significant control: Welwyn Garden Alarms Ltd (25–50%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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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01
Summary
SENTRY ALARMS SECURITY SYSTEMS LIMITED is an active private limited company (company number 03910171) incorporated on 20 January 2000, registered in Bishop'S Stortford. Its registered activity is private security activities (SIC 80100). Latest small accounts cover the period ending 30 April 2025, showing net assets of £561k and cash of £232k, with 14 employees on average. Net assets fell 6% on the prior period (£598k).
Peer position · net assets
By net assets it sits in the top quarter of 194 comparable companies in Essex (median £545, upper quartile £14k).
02
Ownership and control
- Welwyn Garden Alarms Ltd
- owns 25–50% of shares
- holds 75–100% of voting rights
- Mr Timothy Victor Reynolds
- owns 75–100% of shares
- Welwyn Garden Alarms Ltd
- owns 75–100% of shares
- holds 75–100% of voting rights
- Welgard Fire And Security Systems Limited
- owns 75–100% of shares
- holds 75–100% of voting rights
- Jamie Alexander Perry
- owns 25–50% of shares
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
- 20 January 200026 yrs ago
- Next accounts due
- 30 January 2027in 96 days
- Confirmation statement due
- 3 February 2027in 100 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 80100
- Private security activities
- Accounts type
- Total Exemption Full
- Size band
- SmallCompanies Act thresholds
05
Financials
£232k
−2%vs Apr 2024Not reported
14
+27%vs Apr 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 30 April 2025 | £561k | £232k | — | £126k | — | — | 14 |
| 30 April 2024 | £598k | £236k | — | £137k | — | — | 11 |
Current ratio5.39Current assets ÷ creditors within one year
Cash per employee£17kCash ÷ 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 £560,819 at 30 April 2025
- Current assets at least 1.5× creditors within one yearCurrent ratio 5.39
- Cash at bank of £50,000 or moreCash £231,524
- Incorporated five or more years agoIncorporated 20 January 2000
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
- Confirmation statement duein 100 days
- Next accounts duein 96 days
- Accounts period endNet assets £561k · small accounts
- Accounts period endNet assets £598k · small accounts
- Incorporated
08
Similar companies in Essex
- BARON SECURITY SERVICES LIMITEDSouthend-On-Sea · inc. Mar 2000
- RED SPOT (UK) LIMITEDColchester · inc. Feb 2001
- BRITPLAN SECURITY SOLUTIONS LIMITEDBrentwood · inc. Jul 2002
- IMPACT MEDICAL SERVICES LTDColchester · inc. Feb 2003
- THE MATAI LTDChelmsford · inc. Apr 2004
- MINERVA FIRE & SECURITY LTDWickford · inc. Jan 2005
All companies incorporated on 20 January 2000 · in Jan 2000.
09
Reminders for SENTRY ALARMS SECURITY SYSTEMS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.