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Private security activities · Stanmore, Middlesex

Sigma Security

Sigma Security Ltd

ActiveLatest figures: 2025Abridged accountsCompany only10 years on the register

Private limited company registered in Stanmore, classed under “Private security activities”.

Headline figures

FY to Dec 2025 · Company only

Turnover

For subscribers

Profit after tax

—

Not filed: small-company exemption

Net assets

For subscribers

Cash

For subscribers

Employees

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
£2021*2022202320242025
Profit after tax—
Turnover
Net assets
Cash
Employees

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
Current assets
Creditors due within a year
Net current assets
Creditors due after a year
Net assets
Ratios
Current ratioCurrent assets for every £1 owed within a year
Creditors to assetsEverything owed to creditors as a share of fixed plus current assets

5 balance-sheet lines and 2 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.

Timeline

Checked 2026-10-19

  1. Accounts
    Micro company accounts made up to 31 December 2025
  2. Accounts
    Micro company accounts made up to 31 December 2024
  3. Address
    Registered office address changed from 298B Neasden Lane London NW10 0EP United Kingdom to 11 Ventnor Avenue Stanmore Middlesex HA7 2HX on 19 February 2025
  4. Accounts
    Micro company accounts made up to 31 December 2023
  5. Accounts
    Micro company accounts made up to 31 December 2022
  6. Accounts
    Micro company accounts made up to 31 December 2021
  7. Accounts
    Micro company accounts made up to 31 December 2020
  8. Accounts
    Micro company accounts made up to 31 December 2019
  9. Accounts
    Micro company accounts made up to 31 December 2018
  10. Accounts
    Micro company accounts made up to 31 December 2017
  11. Accounts
    Micro company accounts made up to 31 December 2016
  12. Incorporation
    Incorporation

From the Companies House filing history. Routine confirmation statements are left out, and a run of the same filing is shown once.

Questions people ask

›What does Sigma Security do?

Private limited company registered in Stanmore, classed under “Private security activities”.

›How much turnover does Sigma Security make?

Answered in the full report

›Is Sigma Security profitable?

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

›How many people work at Sigma Security?

Answered in the full report

›Who runs and owns Sigma Security?

Answered in the full report

›Where is Sigma Security based?

Its registered office is 11 Ventnor Avenue, Stanmore, Middlesex, HA7 2HX, in Stanmore, Middlesex.

›When was Sigma Security founded?

Sigma Security Ltd was incorporated on 11 December 2015.

›Is Sigma Security still trading?

The register lists Sigma Security Ltd as active.