Filing status
- Accounts due
- 30 June 2027
- Last accounts
- 30 September 2025
- Conf. stmt due
- 14 July 2027
- Last conf. stmt
- 30 June 2026
Mercury Security Systems Ltd
- Incorporated
- 18 December 1997 (28 years)
- Industry
- Manufacture of doors and windows of metal (25120) Electrical installation (43210)Security systems service activities (80200)Fire service activities (84250)
- Directors
- Accounts type
- Total exemption full
- Region
- East of England
- Address
- 9 Bridgegate CentreMartinfieldWelwyn Garden CityAL7 1JG
Charges
- Total
- 1
- Outstanding
- 1
- Part satisfied
- 0
- Satisfied
- 0
Officers 2 active
Officer details are public data from the Companies House register.
British
Born May 1962 (64)
British
Born December 1966 (59)
Officer history (4 former)
1 July 2020
1 February 2013
1 February 2013
1 March 2002
1 March 2002
Resigned Lindsey, Julia Isabel as Secretary
1 February 2002
18 December 1997
18 December 1997
18 December 1997
18 December 1997
Appointed Lindsey, Julia Isabel as Secretary
Ownership 0 active
People and entities with significant control, from the Companies House PSC register
The company has declared that it has no person with significant control.
Former controllers (1)
6 April 2016
Financials
Balance sheet as at 30 September 2025 · total exemption full accounts
- Net Assets
- £72,521
- Cash
- £40,311
- Employees
- 30
- Debt Ratio
- 95%
- Current Ratio
- 1.0x
Trend
Net Assets
Balance sheet detail
| 2025 | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | |
|---|---|---|---|---|---|---|---|
| Fixed Assets | £12,816 | £14,620 | £21,348 | £62,668 | £97,025 | £140,084 | £172,612 |
| Current Assets | £1,529,002 | £1,763,891 | £1,574,682 | £1,179,747 | £1,005,431 | £1,022,559 | £962,904 |
| Debtors | £1,162,496 | £1,246,204 | £1,151,911 | £1,047,140 | £884,521 | £778,636 | £706,399 |
| Cash | £40,311 | £46,107 | £191 | £279 | £582 | £206,261 | £82,531 |
| Creditors (< 1 year) | £1,466,093 | £1,519,607 | £1,127,809 | £864,070 | £759,296 | £842,285 | |
| Creditors (> 1 year) | £0 | £30,000 | £60,000 | £90,000 | £211,386 | £316,488 | £235,357 |
| Net Current Assets | £62,909 | £30,266 | £55,075 | £51,938 | £141,361 | £263,263 | £120,619 |
| Net Assets | £72,521 | £11,564 | £11,919 | £10,681 | £4,594 | £60,711 | £25,649 |
| Shareholder Funds | £60,711 | £25,649 |
Filings
Recent filings only. See the full history on Companies House
| Date | Description | Made Up To | Pages | |
|---|---|---|---|---|
| 20 July 2026 | Confirmation statement with no updates | 30 June 2026 | ||
| 5 March 2026 | Total exemption full accounts | 30 September 2025 | ||
| 2 July 2025 | Confirmation statement with no updates | 30 June 2025 | ||
| 17 June 2025 | Unaudited abridged accounts | 30 September 2024 | ||
| 15 July 2024 | Total exemption full accounts | 30 September 2023 |
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