INDEX SECURITY SYSTEMS LIMITED
Company number 01659382 · Active
INDEX SECURITY SYSTEMS LIMITED is a private limited company registered in SUNNINGHILL ASCOT, United Kingdom, incorporated on 19 Aug 1982. Its registered activity is security systems service activities. Its latest published accounts for the period ending 31 Dec 2025 show equity of −£549k, total assets of £224k. It has filed 6 sets of accounts, 1 of them after the deadline. Our model estimates a 4.29 % probability that it becomes insolvent within 12 months, 36.8 times the average for active companies (very high risk).
Insolvency risk, next 12 months
Higher than 100 % of active companies in the United Kingdom. 36.8× 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
- 01659382 · official register
- Status
- Active
- Legal form
- Private Limited Company
- Incorporated
- 19 Aug 1982 (44 years)
- Registered address
- SL5 9NL SUNNINGHILL ASCOT
- Postcode area
- Slough
- Activity
- 80200 Security systems service 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 |
|---|---|---|---|---|---|---|---|---|
| 31 Dec 2025 | 31 Oct 2026 | – | – | −£549k | £224k | £460k | £15k | 21 |
| 31 Dec 2024 | 15 Aug 2025 | – | – | −£319k | £255k | £456k | £35k | 22 |
| 31 Dec 2023 | 15 Sep 2024 | – | – | −£323k | £243k | £392k | £15k | 20 |
| 31 Dec 2021 | 15 Sep 2022 | – | – | −£241k | £254k | £236k | £12k | 22 |
| 31 Dec 2020 | 15 Mar 2021 | – | – | −£140k | £384k | £175k | £134k | 20 |
| 31 Dec 2019 | 15 Aug 2020 | – | – | −£42k | £258k | £300k | £74 | 22 |
As published. Small companies often file a balance sheet only, so turnover and result can be missing.
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Questions about INDEX SECURITY SYSTEMS LIMITED
What is the company number of INDEX SECURITY SYSTEMS LIMITED?
INDEX SECURITY SYSTEMS LIMITED is registered under company number 01659382 in the official register of United Kingdom. View it at the official register.
Is INDEX SECURITY SYSTEMS LIMITED still active?
Yes. INDEX SECURITY SYSTEMS LIMITED is registered as active (status: Active).
Has INDEX SECURITY SYSTEMS LIMITED gone bankrupt or into insolvency?
No insolvency, bankruptcy or administration is recorded for INDEX SECURITY SYSTEMS LIMITED in the official data.
How likely is INDEX SECURITY SYSTEMS LIMITED to become insolvent?
Our model estimates a 4.29 % probability that INDEX SECURITY SYSTEMS LIMITED becomes insolvent within the next 12 months (very high risk). That is higher than 100 % of active companies in the United Kingdom.
When was INDEX SECURITY SYSTEMS LIMITED founded?
INDEX SECURITY SYSTEMS LIMITED was incorporated on 19 Aug 1982.
Where is INDEX SECURITY SYSTEMS LIMITED registered?
INDEX SECURITY SYSTEMS LIMITED's registered address is in SL5 9NL SUNNINGHILL ASCOT (Slough), United Kingdom.
What do the latest accounts of INDEX SECURITY SYSTEMS LIMITED show?
The latest published accounts (period ending 31 Dec 2025) show equity of −£549k, total assets of £224k, 21 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.