MWH TREATMENT LIMITED
Company number 01535477 · Monitor this company
Executive summary
MWH Treatment Limited presents as a low-risk entity primarily due to its established operating history in the essential water infrastructure sector and its ownership by a deep-pocketed global parent, Stantec. While the current dataset lacks granular financial figures to independently verify liquidity, the substantial share capital, full accounts filing status, and up-to-date regulatory compliance suggest a well-managed subsidiary. The primary focus for further due diligence should be on obtaining the detailed financial statements to review intercompany dependencies and working capital dynamics.
Overview
- Company type
- Private Limited Company
- Incorporated
- 1980-12-17
- Registered office
- Spring Lodge 172 Chester Road, Helsby, Cheshire, England, WA6 0AR
- Postcode
- WA6 0AR
- Capital
- 4,851,000 GBP
- Accounts category
- Full
- Charges
- 2 outstanding
Accounts
- Last made up to
- 2025-03-31
- Next due by
- 2026-12-31
- Financial year end
- 31 March
Confirmation statement
- Last statement dated
- 2026-08-12
- Next due by
- 2027-08-26
Nature of business (SIC)
- 42910 Construction of water projects
- 43999 Other specialised construction activities not elsewhere classified
Officers 8 current · 49 resigned
Group structure 1 subsidiary
Controlled by MWH UK ACQUISITIONS LIMITED — since 2018-11-02
From persons-with-significant-control filings on the public register.
Licensed visa sponsor
Licensed by the Home Office to sponsor worker visas: Skilled Worker (Worker (A rating)).
Matched by registered name to the register of licensed sponsors (Home Office, updated daily) — check the register itself before relying on it. Contains public sector information licensed under the Open Government Licence v3.0.
Modern slavery statement
Registered a modern slavery statement for 2026 (period to 2026-03-31) — 7 years on the registry.
Read the statement summary on the government modern slavery statement registry. Contains public sector information licensed under the Open Government Licence v3.0.
Gender pay gap
28.7%
Women's median hourly pay below men's, 2025/26 · in the bottom quarter for parity
Previous company names
| Name | Date changed |
|---|---|
| STANTEC TREATMENT LIMITED | 2018-12-05 |
| MWH TREATMENT LIMITED | 2017-12-29 |
| BIWATER TREATMENT LIMITED | 2010-12-29 |
| BIWATER EUROPE LIMITED | 1997-07-10 |
| BIWATER TREATMENT LIMITED | 1993-01-01 |
Previous registered addresses 7
| Address | Changed on |
|---|---|
| BUCKINGHAM COURT KINGSMEAD BUSINESS PARK, LONDON ROAD, HIGH WYCOMBE, BUCKINGHAMSHIRE, HP11 1JU | 2018-12-12 |
| EGISTERED OFFICE CHANGED ON 13/03/2015 FROM, TERRIERS HOUSE 201 AMERSHAM ROAD, HIGH WYCOMBE, BUCKINGHAMSHIRE, HP13 5AJ | 2015-03-13 |
| BIWATER PLACE GREGGE STREET, HEYWOOD, LANCASHIRE, OL10 2DX | 2011-01-05 |
| GREGGE ST, HEYWOOD, LANCS, OL10 2DX | 2009-08-06 |
| GREGGE ST, HEYWOOD, LANCS, OL10 2DX | 2009-08-06 |
| BIWATER HOUSE, STATION APPROACH, DORKING, SURREY RH4 1TZ | 1988-09-23 |
| BIWATER HOUSE, STATION APPROACH, DORKING, SURREY RH4 1TZ | 1988-09-23 |
Among its peers
The oldest
of 16 similar companies in WA, trading since 1980
The class of 1980
49%
of the 8,850 companies incorporated in 1980 are still active today; 41% have since been dissolved.
A fact about the year, not a forecast for this company.
Property in England & Wales 1 title
- Leasehold
- 1
- Most recent registration
- 2024-12-10
- Where
- City Of Derby
| Title number | County | Tenure | Registered | Price paid |
|---|---|---|---|---|
| DY586203 | City Of Derby | Leasehold | 2024-12-10 | — |
For addresses and the authoritative register entry, use HM Land Registry's official search (£3 per title).
Information produced by HM Land Registry. © Crown copyright 2026. Dataset as at 2026-08.