# J MCMAHON LIMITED (07900900)

> J MCMAHON LIMITED is an active private limited company (company number 07900900) incorporated on 9 January 2012, registered in Stanmore. Its registered activity is construction of domestic buildings (SIC 41202). Latest small accounts cover the period ending 31 January 2025, showing net assets of £513k and cash of −£3,512, with 2 employees on average. Net assets fell 5% on the prior period (£538k).

- Status: Active
- Incorporated: 2012-01-09
- Registered office: Stanmore, HA7 1JS
- SIC 41202: Construction of domestic buildings
- SIC 43999: Other specialised construction activities n.e.c.
- Next accounts due: 2026-10-31
- Confirmation statement due: 2027-01-23
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the top quarter of 7,248 comparable companies in Greater London (median £2,424, upper quartile £19k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-01-31 | £513k | −£3,512 | £439k | £161k | — | — | 2 |
| 2024-01-31 | £538k | — | £527k | £89k | — | — | 2 |

current ratio 3.27; size band micro.

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

- Net assets above zero: Net assets £512,736 at 31 January 2025
- Current assets at least 1.5× creditors within one year: Current ratio 3.27
- Incorporated five or more years ago: Incorporated 9 January 2012

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

## Persons with significant control

- Mr John Alan Mcmahon — owns 75–100% of shares; holds 75–100% of voting rights, since 2016-04-06

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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/07900900
HTML: https://firmoscan.com/company/07900900-j-mcmahon-limited