# SENTRY ALARMS SECURITY SYSTEMS LIMITED (03910171)

> 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).

- Status: Active
- Incorporated: 2000-01-20
- Registered office: Bishop'S Stortford, CM23 3AR
- SIC 80100: Private security activities
- Next accounts due: 2027-01-30
- Confirmation statement due: 2027-02-03
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the top quarter of 194 comparable companies in Essex (median £545, upper quartile £14k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-04-30 | £561k | £232k | — | £126k | — | — | 14 |
| 2024-04-30 | £598k | £236k | — | £137k | — | — | 11 |

current ratio 5.39; size band small.

## Filing and accounts signals (facts, not a rating)

- Net assets above zero: Net assets £560,819 at 30 April 2025
- Current assets at least 1.5× creditors within one year: Current ratio 5.39
- Cash at bank of £50,000 or more: Cash £231,524
- Incorporated five or more years ago: Incorporated 20 January 2000

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Welwyn Garden Alarms Ltd (corporate-entity) — owns 25–50% of shares; holds 75–100% of voting rights, since 2022-08-01

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/03910171
HTML: https://firmoscan.com/company/03910171-sentry-alarms-security-systems-limited