# COBUILDER UK LIMITED (09566392)

> COBUILDER UK LIMITED is an active private limited company (company number 09566392) incorporated on 29 April 2015, registered in London. Its registered activity is manufacture of other builders' carpentry and joinery (SIC 16230). Latest small accounts cover the period ending 31 December 2025, showing net assets of −£20k and cash of £150, with 0 employees on average. Net assets fell 146% on the prior period (−£8,069).

- Status: Active
- Incorporated: 2015-04-29
- Registered office: London, W1F 9LU
- SIC 16230: Manufacture of other builders' carpentry and joinery
- Next accounts due: 2027-09-30
- Confirmation statement due: 2027-05-13
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the bottom quarter of 380 comparable companies in London (median £2,830, upper quartile £19k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-12-31 | −£20k | £150 | £10 | — | — | — | 0 |
| 2024-12-31 | −£8,069 | £1,733 | £0 | — | — | — | 1 |

size band micro.

## Filing and accounts signals (facts, not a rating)

- Net assets below zero: Net assets £-19,834 at 31 December 2025
- Net assets down 25% or more on the prior period: -145.8% vs prior period
- Incorporated five or more years ago: Incorporated 29 April 2015

How each signal is derived: https://firmoscan.com/methodology

## Persons with significant control

- Corten Advisors Uk Llp (corporate-entity) — owns 75–100% of shares, since 2024-10-10

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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/09566392
HTML: https://firmoscan.com/company/09566392-cobuilder-uk-limited