CORNERSTONE SECURITY SYSTEMS LTD
Company number 07012667 · Active · Stevenage SG1 2FP
CORNERSTONE SECURITY SYSTEMS LTD is an active private limited company (company number 07012667) incorporated on 8 September 2009, registered in Stevenage. Its registered activity is electrical installation (SIC 43210). Latest small accounts cover the period ending 31 August 2025, showing net assets of £597k and cash of £810k, with 29 employees on average. Net assets rose 72% on the prior period (£347k).
By net assets it sits in the top quarter of 534 comparable companies in Hertfordshire (median £9,171, upper quartile £41k).
Key dates
- Incorporated
- 8 September 2009
- Next accounts due
- 31 May 2027 — in 224 days
- Confirmation statement due
- 22 September 2027 — in 338 days
Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.
Activity
- SIC 43210
- Electrical installation
- Accounts type
- Total Exemption Full
- Size band
- Small (Companies Act thresholds)
Financials — 2 periods on record, latest ending 31 August 2025
| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 31 August 2025 | £597k | £810k | £1.82m | £2.12m | — | — | 29 |
| 31 August 2024 | £347k | £554k | £1.06m | £1.34m | — | — | 24 |
- Current ratio
- 1.26
- Cash per employee
- £28k
Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.
Firmoscan score: 80/100 (grade A)
- +10 Positive net assets — Net assets £596,848 at 2025-08-31
- +8 Net assets growing — +71.9% vs prior period
- +4 Cash reserves — Cash £809,986
- +8 Established — Incorporated 2009-09-08 (17 years)
A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice.
Ownership and control
- Cornerstone Security Group (Uk) Ltd (corporate entity, England) — owns 75–100% of shares; holds 75–100% of voting rights · since 1 October 2021
- Mr Richard Langshaw — has significant influence or control · since 30 June 2016 · ceased 1 October 2021
Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.
Similar companies in Hertfordshire
Same activity (electrical installation), closest in incorporation date.
- FIRST CALL BUILDING MAINTENANCE MANAGEMENT LIMITED — St. Albans, inc. Sept 2009
- G D A ELECTRICAL LIMITED — Biggleswade, inc. Sept 2009
- MASTRONIK INSTALLATIONS LIMITED — Shefford, inc. Oct 2009
- KEEN CONTROLS LIMITED — Ware, inc. Jul 2009
- SLOANSWAY LIMITED — Welwyn Garden City, inc. Nov 2009
- OJ POOLE ELECTRICAL SERVICES LIMITED — St. Albans, inc. Nov 2009
Reminders for CORNERSTONE SECURITY SYSTEMS LTD
Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.