# WILLIAM O'BRIEN ARCHITECTS LTD (12319739)

> WILLIAM O'BRIEN ARCHITECTS LTD is an active private limited company (company number 12319739) incorporated on 18 November 2019, registered in Twickenham. Its registered activity is architectural activities (SIC 71111). Latest micro accounts cover the period ending 30 November 2025, showing net assets of £1,367, 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 106% on the prior period (−£24k). Across the last 3 periods on record the net-asset trend is volatile.

- Status: Active
- Incorporated: 2019-11-18
- Registered office: Twickenham, TW2 5EN
- SIC 71111: Architectural activities
- Next accounts due: 2027-08-30
- Confirmation statement due: 2026-12-02
- Accounts type: MICRO ENTITY

By net assets it sits in the lower half of 1,164 comparable companies in Greater London (median £3,029, upper quartile £23k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-11-30 | £1,367 | — | — | £3,207 | — | — | 1 |
| 2024-11-30 | −£24k | — | — | — | — | — | 1 |
| 2023-11-30 | −£10k | — | — | — | — | — | 1 |

current ratio 0.57; net assets trend volatile; size band micro.

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

- Net assets above zero: Net assets £1,367 at 30 November 2025
- Net assets up 10% or more on the prior period: +105.8% vs prior period
- Current assets below creditors within one year: Current ratio 0.57
- Three or more accounting periods on record: 3 periods on record
- Incorporated five or more years ago: Incorporated 18 November 2019

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

## Persons with significant control

- Mr William Francis O'Brien — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2019-11-18

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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/12319739
HTML: https://firmoscan.com/company/12319739-william-o-brien-architects-ltd