Companies House does not verify the accuracy of the information filed(link opens a new window)
Advanced company searchLink opens in new window

SEMAPHORE SYSTEMS LIMITED

Company number 01427899

Follow this company File for this company
Registered office address
Unit 4 Quadrant Business Centre, 135 Salusbury Road, London, NW6 6RJ
Company status
Active
Company type
Private limited Company
Incorporated on
11 June 1979

Accounts

Next accounts made up to 31 August 2023
due by 31 May 2024

Last accounts made up to 31 August 2022

Confirmation statement

Next statement date 14 June 2024
due by 28 June 2024

Last statement dated 14 June 2023

Nature of business (SIC)

  • 62020 - Information technology consultancy activities
Previous company names
Name Period
MASTLOCK LIMITED 11 Jun 1979 - 24 Nov 1986