SENTRY ALARMS SECURITY SYSTEMS LIMITED
Company number 03910171 · Active
SENTRY ALARMS SECURITY SYSTEMS LIMITED is a private limited company registered in BISHOP'S STORTFORD, United Kingdom, incorporated on 20 Jan 2000. Its registered activity is private security activities. Its latest published accounts for the period ending 30 Apr 2025 show equity of £561k, total assets of £687k. It has filed 6 sets of accounts, 1 of them after the deadline. Our model estimates a 0.01 % probability that it becomes insolvent within 12 months, 0.1 times the average for active companies (low risk).
Insolvency risk, next 12 months
Higher than 82 % of active companies in the United Kingdom. 0.1× the average annual insolvency rate (0.12 %).
Raises the risk
Lowers the risk
Each factor compares companies in the same group (for example the same age band) with the average. The score is a statistical estimate from public data (model AUC 0.99, trained 8 Nov 2026), not a credit rating. How it works.
Company details
- Company number
- 03910171 · official register
- Status
- Active
- Legal form
- Private Limited Company
- Incorporated
- 20 Jan 2000 (27 years)
- Registered address
- CM23 3AR BISHOP'S STORTFORD
- Postcode area
- Chelmsford
- Activity
- 80100 Private security activities
- Industry
- Security and investigation
- Accounts overdue
- No
Insolvency and register events
No insolvency or liquidation events on record.
Annual accounts GBP
| Period end | Published | Turnover | Result | Equity | Total assets | Current liabilities | Cash | Employees |
|---|---|---|---|---|---|---|---|---|
| 30 Apr 2025 | 15 Jan 2026 | – | – | £561k | £687k | £126k | £232k | 14 |
| 30 Apr 2024 | 15 Jan 2025 | – | – | £598k | £735k | £137k | £236k | 11 |
| 30 Apr 2023 | 15 Dec 2023 | – | – | £546k | £671k | £125k | £207k | 7 |
| 30 Apr 2022 | 15 Jan 2023 | – | – | £415k | £582k | £167k | £225k | 1 |
| 31 Jan 2021 | 15 Oct 2021 | – | – | £161k | £422k | £261k | £223k | 0 |
| 31 Jan 2020 | 15 Dec 2020 | – | – | £40k | £101k | £60k | £27k | 2 |
As published. Small companies often file a balance sheet only, so turnover and result can be missing.
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Questions about SENTRY ALARMS SECURITY SYSTEMS LIMITED
What is the company number of SENTRY ALARMS SECURITY SYSTEMS LIMITED?
SENTRY ALARMS SECURITY SYSTEMS LIMITED is registered under company number 03910171 in the official register of United Kingdom. View it at the official register.
Is SENTRY ALARMS SECURITY SYSTEMS LIMITED still active?
Yes. SENTRY ALARMS SECURITY SYSTEMS LIMITED is registered as active (status: Active).
Has SENTRY ALARMS SECURITY SYSTEMS LIMITED gone bankrupt or into insolvency?
No insolvency, bankruptcy or administration is recorded for SENTRY ALARMS SECURITY SYSTEMS LIMITED in the official data.
How likely is SENTRY ALARMS SECURITY SYSTEMS LIMITED to become insolvent?
Our model estimates a 0.01 % probability that SENTRY ALARMS SECURITY SYSTEMS LIMITED becomes insolvent within the next 12 months (low risk). That is higher than 82 % of active companies in the United Kingdom.
When was SENTRY ALARMS SECURITY SYSTEMS LIMITED founded?
SENTRY ALARMS SECURITY SYSTEMS LIMITED was incorporated on 20 Jan 2000.
Where is SENTRY ALARMS SECURITY SYSTEMS LIMITED registered?
SENTRY ALARMS SECURITY SYSTEMS LIMITED's registered address is in CM23 3AR BISHOP'S STORTFORD (Chelmsford), United Kingdom.
What do the latest accounts of SENTRY ALARMS SECURITY SYSTEMS LIMITED show?
The latest published accounts (period ending 30 Apr 2025) show equity of £561k, total assets of £687k, 14 employees.
Data: Companies House – Free Company Data Product, Accounts Data Product, Public Data API (Contains public sector information licensed under the Open Government Licence v3.0.). Last updated 9 Nov 2026.