Firmoscan
Active17213000Private limited companyBlackburn

SHEEHAN DEFENSIBLE SYSTEMS LIMITED

Significant control: Katharine Sarah Mcnamara (25–50%), Anthony Allan Denis Mcnamara (25–50%)

Companies HouseCompanies House

From public filings as at 31 Aug 2026; may contain errors or be out of date. Verify at Companies House · Terms

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Registered activity: Other information technology service activities (SIC 62090). We’re building product and service lists for UK companies. Get this one when it’s ready.

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01

Summary

Generated from filed data · no estimates

SHEEHAN DEFENSIBLE SYSTEMS LIMITED is an active private limited company (company number 17213000) incorporated on 12 May 2026, registered in Blackburn. Its registered activity is other information technology service activities (SIC 62090). No accounts have been filed yet; the first accounts are due by 12 February 2028.

There are 669 companies in other information technology service activities in Lancashire with filed accounts; the median reports net assets of £5,270 and is 12 years old.

02

Ownership and control

2 active
  • Mrs Katharine Sarah Mcnamara
    Individual · since 12 May 2026
    • owns 25–50% of shares
    • holds 25–50% of voting rights
    • can appoint or remove directors
  • Mr Anthony Allan Denis Mcnamara
    Individual · since 12 May 2026
    • owns 25–50% of shares
    • holds 25–50% of voting rights
    • can appoint or remove directors

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents. Directors and secretaries: see the officers list at Companies House.

03

Key dates

Incorporated
12 May 2026under 1 yr ago
First accounts due
12 February 2028in 474 days
Confirmation statement due
26 May 2027in 212 days

Due dates are expected from Companies House filing rules; confirm on the official register before relying on them.

04

Activity

SIC 62090
Other information technology service activities
Accounts type
No Accounts Filed
05

Financials

No accounts on record

No accounts filed yet. The first accounts are due by 12 February 2028; this page updates when they are filed.

06

Timeline

Newest first
  1. First accounts duein 474 days
  2. Confirmation statement duein 212 days
  3. Incorporated
07

Similar companies in Lancashire

Same activity (other information technology service activities), closest in incorporation date

All companies incorporated on 12 May 2026 · in May 2026.

08

Reminders for SHEEHAN DEFENSIBLE SYSTEMS LIMITED

Get an email before each filing deadline — accounts and confirmation statement — so nothing is late.

Source: Companies House register, snapshot 2026-08-31. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown.

This information comes from public filings and our automated processing of them. It may contain errors, be incomplete or be out of date, and is not advice or a credit reference. Check the official record before relying on it. Terms · Privacy · Report an error (corrected within one working day).