# DEFENSTER SYSTEMS LIMITED (SC865120)

> DEFENSTER SYSTEMS LIMITED is an active private limited company (company number SC865120) incorporated on 3 October 2025, registered in Dumbarton. Its registered activity is joinery installation (SIC 43320). No accounts have been filed yet; the first accounts are due by 3 July 2027.

- Status: Active
- Incorporated: 2025-10-03
- Registered office: Dumbarton, G82 2RP
- SIC 43320: Joinery installation
- SIC 43342: Glazing
- SIC 43390: Other building completion and finishing
- Next accounts due: 2027-07-03
- Confirmation statement due: 2027-10-17
- Accounts type: NO ACCOUNTS FILED

There are 676 companies in joinery installation in Glasgow with filed accounts; the median reports net assets of £3,867 and is 8 years old.

## Persons with significant control

- Michael Joseph Oneill — owns 75–100% of shares, since 2025-10-03

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Source: Companies House register snapshot 2026-08-31, Open Government Licence v3.0. Information may have changed since that date and is not advice or a credit reference; check the official record before relying on it. Official record: https://find-and-update.company-information.service.gov.uk/company/SC865120
HTML: https://firmoscan.com/company/SC865120-defenster-systems-limited