# HYDROHAMMER LIMITED (12855034)

> HYDROHAMMER LIMITED is an active private limited company (company number 12855034) incorporated on 3 September 2020, registered in London. Its registered activity is engineering related scientific and technical consulting activities (SIC 71122). Latest micro accounts cover the period ending 30 September 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 63% on the prior period (£44k).

- Status: Active
- Incorporated: 2020-09-03
- Registered office: London, W6 8RE
- SIC 71122: Engineering related scientific and technical consulting activities
- SIC 72190: Other research and experimental development on natural sciences and engineering
- Next accounts due: 2027-06-30
- Confirmation statement due: 2027-09-17
- Accounts type: MICRO ENTITY

By net assets it sits in the upper half of 1,915 comparable companies in London (median £2,752, upper quartile £31k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-09-30 | £16k | — | — | £5,849 | — | — | 2 |
| 2024-09-30 | £44k | — | — | £5,460 | — | — | 3 |

current ratio 2.83; size band micro.

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

- Net assets above zero: Net assets £16,024 at 30 September 2025
- Net assets down 25% or more on the prior period: -63.4% vs prior period
- Current assets at least 1.5× creditors within one year: Current ratio 2.83
- Incorporated five or more years ago: Incorporated 3 September 2020

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

## Persons with significant control

- Dr Thomas Simon Leacroft Rowan — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, since 2020-09-03

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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/12855034
HTML: https://firmoscan.com/company/12855034-hydrohammer-limited