# HYDRONIX LIMITED (01609365)

> HYDRONIX LIMITED is an active private limited company (company number 01609365) incorporated on 25 January 1982, registered in Guildford. Its registered activity is manufacture of electronic industrial process control equipment (SIC 26512). Latest small accounts cover the period ending 31 March 2026, showing net assets of £7.28m and cash of £2.57m, with 20 employees on average. Net assets rose 10% on the prior period (£6.63m).

- Status: Active
- Incorporated: 1982-01-25
- Registered office: Guildford, GU3 2DX
- SIC 26512: Manufacture of electronic industrial process control equipment
- SIC 72190: Other research and experimental development on natural sciences and engineering
- Next accounts due: 2027-12-31
- Confirmation statement due: 2027-02-08
- Accounts type: TOTAL EXEMPTION FULL

By net assets it sits in the top quarter of 667 comparable companies in the UK (median £35k, upper quartile £408k).

## Accounts (as filed)

| Period end | Net assets | Cash | Debtors | Creditors <1y | Turnover | Profit | Employees |
|---|---|---|---|---|---|---|---|
| 2026-03-31 | £7.28m | £2.57m | £1.26m | £1.55m | — | — | 20 |
| 2025-03-31 | £6.63m | £1.02m | £1.37m | £1.51m | — | — | 21 |

current ratio 3.78; size band small.

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

- Net assets above zero: Net assets £7,278,786 at 31 March 2026
- Current assets at least 1.5× creditors within one year: Current ratio 3.78
- Cash at bank of £50,000 or more: Cash £2,565,966
- Incorporated five or more years ago: Incorporated 25 January 1982

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

## Persons with significant control

- Mr Jason Rolf Laffan — owns 50–75% of shares, since 2016-04-06

---
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/01609365
HTML: https://firmoscan.com/company/01609365-hydronix-limited