ActiveSC127367Private limited companyHamilton

ASTRA ALARMS LIMITED

Significant control: John Andrew Sadowski (significant control)

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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Astra Alarms Limited sell?

Registered activity: Repair of electronic and optical equipment (SIC 33130). 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

ASTRA ALARMS LIMITED is an active private limited company (company number SC127367) incorporated on 18 September 1990, registered in Hamilton. Its registered activity is repair of electronic and optical equipment (SIC 33130). Latest micro accounts cover the period ending 31 March 2025, showing net assets of −£31k, with 1 employee on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets rose 6% on the prior period (−£33k).

Peer position · net assets

By net assets it sits in the bottom quarter of 590 comparable companies in the UK (median £6,198, upper quartile £50k).

02

Ownership and control

1 active · 1 other
  • Mr John Andrew Sadowski
    Individual · since 8 July 2019
    • has significant influence or control
  • Mr Andrew David Sadowski
    Individual · since 6 April 2016 · ceased 19 June 2019
    • owns 75–100% of shares

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
18 September 199036 yrs ago
Next accounts due
31 December 2026in 65 days
Confirmation statement due
2 October 2027in 340 days

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

04

Activity

SIC 33130
Repair of electronic and optical equipment
SIC 43210
Electrical installation
SIC 80200
Security systems service activities
SIC 96090
Other service activities n.e.c.
Accounts type
Micro Entity
Size band
MicroCompanies Act thresholds
05

Financials

2 periods on record · latest ending 31 March 2025
Net assets
−£31k
vs Mar 2024
Cash at bank
Not reported
Turnover
Not disclosed
Employees
1
No changevs Mar 2024
Net assets
−£31k
Average employees
1
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
31 March 2025−£31k—————1
31 March 2024−£33k—————1

Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing; micro-entity accounts contain no profit and loss account.

06

Filing and accounts signals

Facts from the register · no rating
  • Net assets below zeroNet assets £-31,165 at 31 March 2025
  • Incorporated five or more years agoIncorporated 18 September 1990

Neutral facts read from the register and filed accounts, each with its evidence. They are not a rating, a prediction or advice, and may be incomplete or out of date. How each signal is derived.

07

Timeline

Newest first
  1. Confirmation statement duein 340 days
  2. Next accounts duein 65 days
  3. Accounts period endNet liabilities £31k · micro accounts
  4. Accounts period endNet liabilities £33k · micro accounts
  5. Incorporated
08

Similar companies in Glasgow

Same activity (repair of electronic and optical equipment), closest in incorporation date
09

Reminders for ASTRA ALARMS LIMITED

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

Source: Companies House register, snapshot 2026-08-31; accounts from the Companies House accounts data product. Open Government Licence v3.0. View on Companies House. Methodology · About · Markdown. Contact us about this company.