# Mercury Security Systems Ltd

## Details

- **Company number:** [03482926](https://find-and-update.company-information.service.gov.uk/company/03482926)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 18 Dec 1997
- **Registered office:** 9 BRIDGEGATE CENTRE, MARTINFIELD, WELWYN GARDEN CITY, AL7 1JG
- **Nature of business:** [25120](/sic/25120) Manufacture of doors and windows of metal, [43210](/sic/43210) Electrical installation, [80200](/sic/80200) Security systems service activities, [84250](/sic/84250) Fire service activities



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| HARRISON, Ian Michael | director | 1 Feb 2002 |  |
| ROTHWELL, Michael | director | 18 Dec 1997 |  |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Mr Michael Rothwell | significant-influence-or-control | 6 Apr 2016 | 6 Apr 2016 |



## Accounts

| Year ended | Net assets | Cash | Employees |
|---|---|---|---|
| 30 Sep 2025 | £72,521 | £40,311 | 36 |
| 30 Sep 2024 | £11,564 | £46,107 | 34 |
| 30 Sep 2023 | £11,919 | £191 | 30 |
| 30 Sep 2022 | £10,681 | £279 | 29 |
| 30 Sep 2021 | £4,594 | £582 | 33 |
| 30 Sep 2020 | £60,711 | £206,261 | 33 |
| 30 Sep 2019 | £25,649 | £82,531 | - |
| 30 Sep 2018 | £11,380 | £7,874 | 27 |
| 30 Sep 2017 | £203,036 | £12,149 | 27 |
| 30 Sep 2016 | £45,365 | £15,860 | - |
| 30 Sep 2015 | £36,539 | £15,165 | - |
| 30 Sep 2014 | £26,193 | £16,321 | - |
| 31 Mar 2013 | - | £11,706 | - |
| 31 Mar 2012 | - | £6,239 | - |





## Directors' other companies

- [ROTHWELL, Michael](/person/6162767) - director at [Fish Tank Investments Limited](/company/10872410)



## Companies at the same address

- [Mercury Fire Limited](/company/06785493) (06785493)