# HYDROLOGIC SYSTEMS LIMITED (03709321)

> HYDROLOGIC SYSTEMS LIMITED is an active private limited company (company number 03709321) incorporated on 8 February 1999, registered in Chertsey. Its registered activity is plumbing, heat and air-conditioning installation (SIC 43220). Latest micro accounts cover the period ending 31 March 2025, showing net assets of £11k, with 0 employees on average. As micro-entity accounts, no profit and loss account is filed, so turnover and profit are not public. Net assets fell 16% on the prior period (£14k).

- Status: Active
- Incorporated: 1999-02-08
- Registered office: Chertsey, KT16 9AD
- SIC 43220: Plumbing, heat and air-conditioning installation
- Next accounts due: 2026-12-31
- Confirmation statement due: 2027-02-22
- Accounts type: MICRO ENTITY

By net assets it sits in the upper half of 3,492 comparable companies in Greater London (median £4,840, upper quartile £27k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2025-03-31 | £11k | — | — | — | — | — | 0 |
| 2024-03-31 | £14k | — | — | — | — | — | 0 |

size band micro.

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

- Net assets above zero: Net assets £11,480 at 31 March 2025
- Incorporated five or more years ago: Incorporated 8 February 1999

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

## Persons with significant control

- Mr Stephen Peter Long — owns 75–100% of shares; holds 75–100% of voting rights; can appoint or remove directors, 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/03709321
HTML: https://firmoscan.com/company/03709321-hydrologic-systems-limited