Active09333241Private limited companyKing'S Lynn

CSO CONSTRUCTION LIMITED

Significant control: Connor Oreilly (75–100%), Robyn O'Reilly (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From public filings as at 31 Aug 2026; may contain errors or be out of date.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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Registered activity: Development of building projects (SIC 41100). 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

CSO CONSTRUCTION LIMITED is an active private limited company (company number 09333241) incorporated on 28 November 2014, registered in King'S Lynn. Its registered activity is development of building projects (SIC 41100). Latest micro accounts cover the period ending 30 November 2025, showing net assets of £16k, with 2 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 86% on the prior period (£110k). Across the last 3 periods on record the net-asset trend is volatile.

Peer position · net assets

By net assets it sits in the upper half of 13,669 comparable companies in Other (median £609, upper quartile £72k).

02

Ownership and control

2 active
  • Mr Connor Oreilly
    Individual · since 6 April 2016
    • owns 75–100% of shares
  • Mrs Robyn O'Reilly
    Individual · since 1 April 2025
    • owns 25–50% 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
28 November 201411 yrs ago
Next accounts due
30 August 2027in 311 days
Confirmation statement due
12 December 2026in 50 days

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

04

Activity

SIC 41100
Development of building projects
Accounts type
Micro Entity
Size band
MicroCompanies Act thresholds
05

Financials

3 periods on record · latest ending 30 November 2025
Net assets
£16k
−86%vs Nov 2024
Cash at bank
Not reported
Turnover
Not disclosed
Employees
2
No changevs Nov 2024
Net assets
£16k
Average employees
2
Filed accounts by period, newest first
Period endNet assetsCashDebtorsCreditors <1yTurnoverProfitEmployees
30 November 2025£16k——£23k——2
30 November 2024£110k——£36k——2
30 November 2023£94k——£37k——2
Current ratio1.84Current assets ÷ creditors within one year

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 above zeroNet assets £15,704 at 30 November 2025
  • Net assets down 25% or more on the prior period-85.8% vs prior period
  • Current assets at least 1.5× creditors within one yearCurrent ratio 1.84
  • Three or more accounting periods on record3 periods on record
  • Incorporated five or more years agoIncorporated 28 November 2014

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 311 days
  2. Confirmation statement duein 50 days
  3. Accounts period endNet assets £16k · micro accounts
  4. Accounts period endNet assets £110k · micro accounts
  5. Accounts period endNet assets £94k · micro accounts
  6. Incorporated
08

Similar companies in the UK

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

Reminders for CSO CONSTRUCTION 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.