Active07043163Private limited companySwansea

DOOR SYSTEM INSTALLATIONS LTD

Significant control: Erin Maldzinski (25–50%), Ph7 Engineering Limited (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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What does Door System Installations Ltd sell?

Registered activity: Other construction installation (SIC 43290). 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

DOOR SYSTEM INSTALLATIONS LTD is an active private limited company (company number 07043163) incorporated on 14 October 2009, registered in Swansea. Its registered activity is other construction installation (SIC 43290). Latest small accounts cover the period ending 30 September 2025, showing net assets of £265k and cash of £115k, with 8 employees on average. Net assets rose 60% on the prior period (£165k).

Peer position · net assets

By net assets it sits in the top quarter of 160 comparable companies in Swansea (median £2,848, upper quartile £25k).

02

Ownership and control

2 active · 2 other
  • Miss Erin Maldzinski
    Individual · since 2 January 2018
    • owns 25–50% of shares
    • holds 25–50% of voting rights
  • Ph7 Engineering Limited
    corporate entity, England And Wales · since 3 November 2025
    • owns 25–50% of shares
    • holds 25–50% of voting rights
  • Mr William Maldzinski
    Individual · since 6 April 2016 · ceased 31 March 2022
    • owns 25–50% of shares
    • holds 25–50% of voting rights
  • J. Manny Limited
    corporate entity, United Kingdom · since 31 March 2022 · ceased 3 November 2025
    • owns 25–50% of shares
    • holds 25–50% of voting rights

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
14 October 200917 yrs ago
Next accounts due
30 June 2027in 250 days
Confirmation statement due
28 October 2026in 5 days

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

04

Activity

SIC 43290
Other construction installation
Accounts type
Total Exemption Full
Size band
MicroCompanies Act thresholds
05

Financials

2 periods on record · latest ending 30 September 2025
Net assets
£265k
+60%vs Sept 2024
Cash at bank
£115k
+756%vs Sept 2024
Turnover
Not reported
Employees
8
+14%vs Sept 2024
Net assets
£265k
Cash at bank
£115k
Average employees
8
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
30 September 2025£265k£115k£315k———8
30 September 2024£165k£13k£307k———7
Cash per employee£14kCash ÷ average employees

Figures as filed in iXBRL accounts at Companies House. "—" means the line was not reported in that filing.

06

Filing and accounts signals

Facts from the register · no rating
  • Net assets above zeroNet assets £264,619 at 30 September 2025
  • Net assets up 10% or more on the prior period+60.1% vs prior period
  • Cash at bank of £50,000 or moreCash £115,429
  • Incorporated five or more years agoIncorporated 14 October 2009

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. Next accounts duein 250 days
  2. Confirmation statement duein 5 days
  3. Accounts period endNet assets £265k · small accounts
  4. Accounts period endNet assets £165k · small accounts
  5. Incorporated
08

Similar companies in Swansea

Same activity (other construction installation), closest in incorporation date
09

Reminders for DOOR SYSTEM INSTALLATIONS LTD

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.