Loading the map…

Manufacture of doors and windows of metal · Welwyn Garden City, Hertfordshire

Mercury Security Systems

Mercury Security Systems Ltd

Staff down 17%ActiveLatest figures: 2025Abridged accountsCompany only28 years on the register

Private limited company registered in Welwyn Garden City, classed under “Manufacture of doors and windows of metal” and 3 other activities.

Headline figures

FY to Sept 2025 · Company only

Turnover

For subscribers

Profit after tax

—

Not filed: small-company exemption

Net assets

For subscribers

Cash

For subscribers

Employees

For subscribers

Retained reserves

For subscribers

What the numbers say

2 findings from the figures, in plain English

Written by rules from the figures on this page. Not a forecast or a credit opinion.

History

Pro
£202120222023*20242025
Profit after tax—
Turnover
Net assets
Cash
Employees
Retained reserves

Every figure for all 5 years

“—” means we did not find the figure in a source; it is never filled with an estimate. * Restated: the next year's accounts printed different figures for this year, and those later figures are shown.

Balance sheet and ratios

From the filed balance sheets · £

Balance sheet2022202320242025
Fixed assets
Current assets
of which debtors
of which cash
Creditors due within a year
Net current assets
Net assets
Ratios
Current ratioCurrent assets for every £1 owed within a year
Cash ratioCash for every £1 owed within a year
Creditors to assetsEverything owed to creditors as a share of fixed plus current assets

7 balance-sheet lines and 3 ratios, every year

A ratio appears only for years where every line it needs was filed. Lines are as tagged in the accounts; nothing is added up or estimated.

Questions people ask

›What does Mercury Security Systems do?

Private limited company registered in Welwyn Garden City, classed under “Manufacture of doors and windows of metal” and 3 other activities.

›How much turnover does Mercury Security Systems make?

Answered in the full report

›Is Mercury Security Systems profitable?

Mercury Security Systems's profit isn't public: small companies may file without a profit and loss account.

›How many people work at Mercury Security Systems?

Answered in the full report

›Where is Mercury Security Systems based?

Its registered office is 9 Bridgegate Centre, Martinfield, Welwyn Garden City, Hertfordshire, AL7 1JG, in Welwyn Garden City, Hertfordshire.

›When was Mercury Security Systems founded?

Mercury Security Systems Ltd was incorporated on 18 December 1997.

›Is Mercury Security Systems still trading?

The register lists Mercury Security Systems Ltd as active.