# PRIME AIR VENTILATION LTD (10912007)

> PRIME AIR VENTILATION LTD is an active private limited company (company number 10912007) incorporated on 11 August 2017, registered in Twickenham. Its registered activity is other specialised construction activities n.e.c. (SIC 43999). Latest micro accounts cover the period ending 31 August 2025, showing net assets of −£14k, 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 29% on the prior period (−£20k).

- Status: Active
- Incorporated: 2017-08-11
- Registered office: Twickenham, TW2 7PD
- SIC 43999: Other specialised construction activities n.e.c.
- Next accounts due: 2027-05-31
- Confirmation statement due: 2027-08-25
- Accounts type: MICRO ENTITY

By net assets it sits in the bottom quarter of 4,726 comparable companies in Greater London (median £5,286, upper quartile £35k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-08-31 | −£14k | — | — | £14k | — | — | 1 |
| 2024-08-31 | −£20k | — | — | £34k | — | — | — |

size band micro.

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

- Net assets below zero: Net assets £-13,974 at 31 August 2025
- Net assets up 10% or more on the prior period: +29.0% vs prior period
- Incorporated five or more years ago: Incorporated 11 August 2017

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

## Persons with significant control

- Mrs Mandy Harrowell — owns 25–50% of shares; owns 25–50% of shares; owns 25–50% of shares; holds 25–50% of voting rights; holds 25–50% of voting rights; holds 25–50% of voting rights; can appoint or remove directors; has significant influence or control, since 2017-08-11

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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/10912007
HTML: https://firmoscan.com/company/10912007-prime-air-ventilation-ltd