−£551k
vs Dec 2024Active09529593Private limited companyLondon
INTRUDER SYSTEMS LTD
Significant control: Christopher Louis Bellmaine Wallis (50–75%)
From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Intruder Systems Ltd sell?
Registered activity: Security systems service activities (SIC 80200). We’re building product and service lists for UK companies. Get this one when it’s ready.
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01
Summary
INTRUDER SYSTEMS LTD is an active private limited company (company number 09529593) incorporated on 8 April 2015, registered in London. Its registered activity is security systems service activities (SIC 80200). Latest small accounts cover the period ending 31 December 2025, showing net assets of −£551k and cash of £1.25m, with 44 employees on average. Net assets fell 22% on the prior period (−£451k). Across the last 3 periods on record the net-asset trend is volatile.
Peer position · net assets
By net assets it sits in the bottom quarter of 373 comparable companies in London (median £2,334, upper quartile £21k).
02
Ownership and control
- Mr Christopher Louis Bellmaine Wallis
- owns 50–75% of shares
- holds 50–75% of voting rights
- David Philip Robinson
- owns 25–50% of shares
- holds 25–50% of voting rights
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
- 8 April 201511 yrs ago
- Next accounts due
- 30 September 2027in 341 days
- Confirmation statement due
- 22 April 2027in 180 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
04
Activity
- SIC 80200
- Security systems service activities
- Accounts type
- Total Exemption Full
- Size band
- MicroCompanies Act thresholds
05
Financials
£1.25m
+4%vs Dec 2024Not reported
44
−2%vs Dec 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | −£551k | £1.25m | £848k | — | — | — | 44 |
| 31 December 2024 | −£451k | £1.20m | £763k | — | — | — | 45 |
| 30 April 2024 | −£868k | £1.21m | £380k | — | — | — | 39 |
Cash per employee£28kCash ÷ 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 below zeroNet assets £-550,526 at 31 December 2025
- Cash at bank of £50,000 or moreCash £1,253,054
- Three or more accounting periods on record3 periods on record
- Incorporated five or more years agoIncorporated 8 April 2015
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
- Next accounts duein 341 days
- Confirmation statement duein 180 days
- Accounts period endNet liabilities £551k · small accounts
- Accounts period endNet liabilities £451k · small accounts
- Accounts period endNet liabilities £868k · small accounts
- Incorporated
08
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- PARADIGM TRAINING SOLUTIONS LIMITEDLondon · inc. May 2015
- GLADIUS INTEGRATED SOLUTIONS LTDLondon · inc. May 2015
All companies incorporated on 8 April 2015 · in Apr 2015.
09
Reminders for INTRUDER SYSTEMS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.