£160k
+13%vs Dec 2024Active07322408Private limited companyChesterfield
A S I SECURITY SYSTEMS LIMITED
Significant control: Russell Willoughby (25–50%), Andrew Willoughby (25–50%) and 1 more
From public filings as at 31 Aug 2026; may contain errors or be out of date.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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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
A S I SECURITY SYSTEMS LIMITED is an active private limited company (company number 07322408) incorporated on 22 July 2010, registered in Chesterfield. Its registered activity is security systems service activities (SIC 80200). Latest abridged accounts cover the period ending 31 December 2025, showing net assets of £160k and cash of £341k, with 13 employees on average. As abridged accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 13% on the prior period (£141k).
Peer position · net assets
By net assets it sits in the top quarter of 112 comparable companies in Sheffield (median £3,308, upper quartile £37k).
02
Ownership and control
- Mr Russell Willoughby
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Andrew Willoughby
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Kevin Willoughby
- owns 25–50% of shares
- holds 25–50% of voting rights
- Mr Russell Willoughby
- 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
- 22 July 201016 yrs ago
- Next accounts due
- 30 September 2027in 339 days
- Confirmation statement due
- 5 August 2027in 283 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
- Unaudited Abridged
- Size band
- MicroCompanies Act thresholds
05
Financials
£341k
+3%vs Dec 2024Not disclosed
13
−7%vs Dec 2024| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 December 2025 | £160k | £341k | £204k | — | — | — | 13 |
| 31 December 2024 | £141k | £331k | £153k | — | — | — | 14 |
Cash per employee£26kCash ÷ 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 £160,423 at 31 December 2025
- Net assets up 10% or more on the prior period+13.5% vs prior period
- Cash at bank of £50,000 or moreCash £341,274
- Incorporated five or more years agoIncorporated 22 July 2010
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 339 days
- Confirmation statement duein 283 days
- Accounts period endNet assets £160k · abridged accounts
- Accounts period endNet assets £141k · abridged accounts
- Incorporated
08
Similar companies in Sheffield
- OAK SECURITY SYSTEMS LIMITEDChesterfield · inc. Jul 2010
- ADVANCED ALARMS (LINCOLNSHIRE) LTDGrimsby · inc. Sept 2010
- N-FORCE SECURITY SOLUTIONS LTDGrimsby · inc. Nov 2010
- QUALITY ID CARDS LIMITEDSheffield · inc. Mar 2010
- INTERLOOM LTDDoncaster · inc. Jan 2011
- DEFENDER SECURITY SERVICES LTDBarnsley · inc. Jan 2011
All companies incorporated on 22 July 2010 · in Jul 2010.
09
Reminders for A S I SECURITY SYSTEMS LIMITED
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.