MERCURY SECURITY SYSTEMS LTD
Company number 03482926 · Active
MERCURY SECURITY SYSTEMS LTD is a private limited company registered in WELWYN GARDEN CITY, United Kingdom, incorporated on 18 Dec 1997. Its registered activity is manufacture of doors and windows of metal. Its latest published accounts for the period ending 30 Sep 2025 show equity of £73k, total assets of £1.5m. It has filed 7 sets of accounts, 1 of them after the deadline.
Company details
- Company number
- 03482926 · official register
- Status
- Active
- Legal form
- Private Limited Company
- Incorporated
- 18 Dec 1997 (29 years)
- Registered address
- AL7 1JG WELWYN GARDEN CITY
- Postcode area
- St Albans
- Activity
- 25120 Manufacture of doors and windows of metal
- Industry
- Manufacture of fabricated metal products
- 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 Sep 2025 | 15 Mar 2026 | – | – | £73k | £1.5m | £1.5m | £40k | 30 |
| 30 Sep 2024 | 15 Jun 2025 | – | – | £12k | £1.8m | £1.7m | £46k | 36 |
| 30 Sep 2023 | 15 Jul 2024 | – | – | £12k | £1.6m | £1.5m | £191 | 34 |
| 30 Sep 2022 | 15 Jun 2023 | – | – | £11k | £1.2m | £1.1m | £279 | 30 |
| 30 Sep 2021 | 15 Jun 2022 | – | – | £4,594 | £1.1m | £864k | £582 | 29 |
| 30 Sep 2020 | 15 Jun 2021 | – | – | £61k | £1.2m | £759k | £206k | 33 |
| 30 Sep 2019 | 15 Jun 2020 | – | – | £26k | £1.1m | £842k | £83k | – |
As published. Small companies often file a balance sheet only, so turnover and result can be missing.
Similar companies in St Albans
- AFT FLUOROTEC COATINGS LIMITED WELWYN GARDEN CITY
- AMBAR KELLY LIMITED WELWYN GARDEN CITY
- ANGLIA STEELCRAFT LIMITED WHEATHAMPSTEAD
- AURUM FINISHING LIMITED ST. ALBANS
- BEST BOHEMIA ENGINEERING LTD. WELWYN
- BURGESS ARCHITECTURAL PRODUCTS LIMITED HARPENDEN
- BURGESS METAL LIMITED HARPENDEN
- C&G ENGINEERING LTD HARPENDEN
- COLOURMOTION LIMITED ST. ALBANS
- CUTTER SERVICES PRECISION ENGINEERS LIMITED OLD HATFIELD
- DEVON DOOR DISTRIBUTION LIMITED ST. ALBANS
- DM ENGINEERING SERVICES LTD HATFIELD
Questions about MERCURY SECURITY SYSTEMS LTD
What is the company number of MERCURY SECURITY SYSTEMS LTD?
MERCURY SECURITY SYSTEMS LTD is registered under company number 03482926 in the official register of United Kingdom. View it at the official register.
Is MERCURY SECURITY SYSTEMS LTD still active?
Yes. MERCURY SECURITY SYSTEMS LTD is registered as active (status: Active).
Has MERCURY SECURITY SYSTEMS LTD gone bankrupt or into insolvency?
No insolvency, bankruptcy or administration is recorded for MERCURY SECURITY SYSTEMS LTD in the official data.
When was MERCURY SECURITY SYSTEMS LTD founded?
MERCURY SECURITY SYSTEMS LTD was incorporated on 18 Dec 1997.
Where is MERCURY SECURITY SYSTEMS LTD registered?
MERCURY SECURITY SYSTEMS LTD's registered address is in AL7 1JG WELWYN GARDEN CITY (St Albans), United Kingdom.
What do the latest accounts of MERCURY SECURITY SYSTEMS LTD show?
The latest published accounts (period ending 30 Sep 2025) show equity of £73k, total assets of £1.5m, 30 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 7 Nov 2026.