SD4 Ltd
In brief
SD4 Ltd is a private limited company incorporated in England and Wales on 27 March 2018. At 8 years old it is older than 75% of the 13,317 live companies whose main activity is private security activities. Its registered office is in Barnet, London. 162 live companies in Barnet share the same main activity. Its latest accounts were made up to 31 March 2023 and filed as micro-entity accounts. It was previously called 1W1 Ltd, a name it changed on 29 January 2020. The register shows a proposal to strike the company off.
Register details
Timeline
Register events, newest first.
- Confirmation statement made up
- Accounts made upMicro-entity accounts
- Name changedPreviously 1W1 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 Barnet, 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.