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MWH TREATMENT LIMITED

Active
01535477·incorporated 1980-12-17

MWH TREATMENT LIMITED is an active UK private limited company, incorporated on 17 December 1980 at Companies House (number 01535477; OpenRegistry canonical ID GB-01535477-mwh-treatment-limited). Sophymarine's OpenRegistry classifies it under SIC 42910 (Construction of water projects), one of 1,013 active UK entities in that code and one of 2,627 active companies registered in Cheshire (postcode WA6). Programmatic access via MCP at https://openregistry.sophymarine.com/mcp.

Status
Active
Type
Private Limited Company
Incorporated
1980-12-17
Registered Address
SPRING LODGE 172 CHESTER ROAD, HELSBY, CHESHIRE, WA6 0AR, ENGLAND
SIC
42910 — Construction of water projects
Country of origin
United Kingdom

Directors

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Shareholders

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Financials

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Filings

Check filing history of MWH TREATMENT LIMITED

Accounts

Last filed accounts made up to 2025-03-31. Next accounts due 2026-12-31. Financial year-end: 31/03. Filing class: FULL.

Confirmation statement

Last confirmation statement made up to 2025-08-12. Next confirmation statement due 2026-08-26.

Mortgages and charges

10 charges recorded against the company at Companies House: 2 outstanding, 8 satisfied, 0 partially satisfied.

Persons with significant control

MWH TREATMENT LIMITED has 1 person with significant control on file:

  • Mwh Uk Acquisitions Limited (United Kingdom reg. 11652932). Notified 2018-11-02.
    • Owns 75% or more of shares
    • Holds 75% or more of voting rights
    • Has the right to appoint and remove directors

1 historical PSC record has ceased:

  • Stantec Treatment Holding Limited (England And Wales reg. 05728439). Notified 2016-04-06. Ceased 2018-11-02.
    • Owns 75% or more of shares
    • Holds 75% or more of voting rights
    • Right To Appoint And Remove Directors As Firm
    • Significant Influence Or Control As Firm

Previous names

MWH TREATMENT LIMITED has previously traded as:

  • STANTEC TREATMENT LIMITED (until 2018-12-05)
  • MWH TREATMENT LIMITED (until 2017-12-29)
  • BIWATER TREATMENT LIMITED (until 2010-12-29)

Similar UK companies

Other companies registered under SIC 42910 (Construction of water projects):

Other companies registered in Cheshire:

Need real-time profile, officers, shareholders, financials or filing? Open the live profile at /company/gb/01535477.

Source: Companies House Free Company Data, refreshed 2026-05-01. Official record: find-and-update.company-information.service.gov.uk.