Active10666187Private limited companyLondon

WINDOWBUILD LIMITED

A80/100

Owned by Mikolaj Owsionka (50–75%)

Companies HouseCompanies House
01

Summary

Generated from filed data · no estimates

WINDOWBUILD LIMITED is an active private limited company (company number 10666187) incorporated on 13 March 2017, registered in London. Its registered activity is development of building projects (SIC 41100). Latest abridged accounts cover the period ending 30 April 2025, showing net assets of £31k and cash of £54k, with 0 employees on average. As abridged accounts, no profit and loss account is filed, so turnover and profit are not public.

Peer position · net assets

By net assets it sits in the upper half of 12,682 comparable companies in London (median £413, upper quartile £73k).

02

Key dates

Incorporated
13 March 20179 yrs ago
Next accounts due
30 January 2027in 100 days
Confirmation statement due
27 March 2027in 156 days

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

03

Activity

SIC 41100
Development of building projects
Accounts type
Unaudited Abridged
Size band
MicroCompanies Act thresholds
04

Financials

1 period on record · latest ending 30 April 2025
Net assets
£31k
1 period on record
Cash at bank
£54k
1 period on record
Turnover
Not disclosed
Employees
0
1 period on record
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
30 April 2025£31k£54k—£17k——0
Current ratio3.24Comfortable

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

05

Firmoscan score

Rules-based · every point shows its evidence
80 / 100 · grade A
EDCBA
Score breakdown
50Starting scoreEvery scored company starts here
+10Positive net assetsNet assets £30,726 at 2025-04-30
+8Comfortable liquidityCurrent ratio 3.24
+4Cash reservesCash £53,855
+8EstablishedIncorporated 2017-03-13 (10 years)
80Score, grade A

A transparent, rules-based score from filed data only: every point lists its evidence. It is not a credit rating or advice. How the score is computed.

06

Ownership and control

1 active · 2 other
  • Mr Mikolaj Owsionka
    Individual · since 31 March 2025
    • owns 50–75% of shares
  • persons with significant control statement · since 13 March 2017 · ceased 30 January 2025
  • Mr Mikolaj Owsionka
    Individual · since 30 January 2025 · ceased 31 March 2025
    • owns 50–75% of shares

Persons with significant control hold 25% or more of shares or voting rights. Smaller shareholdings are only listed in confirmation-statement documents.

07

Timeline

Newest first
  1. Confirmation statement duein 156 days
  2. Next accounts duein 100 days
  3. Accounts period endNet assets £31k · abridged accounts
  4. Incorporated
08

Similar companies in London

Same activity (development of building projects), closest in incorporation date
09

Reminders for WINDOWBUILD LIMITED

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