Firmoscan
ActiveNI739637Private limited companyCastlewellan

S.D.E ELECTRICAL SYSTEMS LTD

Owned by Sean Downey (75–100%)

Companies HouseCompanies House
01

Summary

Generated from filed data · no estimates

S.D.E ELECTRICAL SYSTEMS LTD is an active private limited company (company number NI739637) incorporated on 10 April 2026, registered in Castlewellan. Its registered activity is electrical installation (SIC 43210). No accounts have been filed yet; the first accounts are due by 10 January 2028.

There are 709 companies in electrical installation in Belfast with filed accounts; the median reports net assets of £19k and is 8 years old.

02

Key dates

Incorporated
10 April 2026under 1 yr ago
First accounts due
10 January 2028in 445 days
Confirmation statement due
24 April 2027in 184 days

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

03

Activity

SIC 43210
Electrical installation
Accounts type
No Accounts Filed
04

Financials

No accounts on record

No accounts filed yet. The first accounts are due by 10 January 2028; this page updates when they are filed.

05

Ownership and control

1 active
  • Mr Sean Downey
    Individual · since 10 April 2026
    • owns 75–100% of shares
    • holds 75–100% 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.

06

Timeline

Newest first
  1. First accounts duein 445 days
  2. Confirmation statement duein 184 days
  3. Incorporated
07

Similar companies in Belfast

Same activity (electrical installation), closest in incorporation date

All companies incorporated on 10 April 2026 · in Apr 2026.

08

Reminders for S.D.E ELECTRICAL SYSTEMS LTD

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