Big Mo Security Ltd
In brief
Big Mo Security Ltd is a private limited company incorporated in England and Wales on 4 July 2019. At 7 years old it is older than 68% of the 13,317 live companies whose main activity is private security activities. Its registered office is in Ealing, London. 125 live companies in Ealing share the same main activity. Its latest accounts were made up to 31 July 2025 and filed as micro-entity accounts. It was previously called Sia Security Ltd, a name it changed on 15 July 2019.
Register details
Timeline
Register events, newest first.
- Accounts made upMicro-entity accounts
- Confirmation statement made up
- Name changedPreviously Sia Security Ltd
- Incorporated
Filings and charges
Deadlines and charge counts from the register.
Charges are security interests (such as mortgages) registered against the company.
Private security activities in the United Kingdom
Live companies whose main activity is 80100: 13,317 in total, median age 4 years, 2,178 incorporated in the past 12 months.
Location
Registered office in Ealing, London.
Similar companies
Live companies with the same main activity, nearest first.
Sources
Register data: Companies House, Free Company Data Product, delivery of 1 October 2026. Places: ONS Postcode Directory (Open Government Licence v3.0). Sector names: Eurostat NACE Rev. 2. Context figures are computed by FirmsDB from these sources. This page is not an official register; check the official record before relying on it.