# MWH Treatment Limited

## Details

- **Company number:** [01535477](https://find-and-update.company-information.service.gov.uk/company/01535477)
- **Status:** Active
- **Type:** Private Limited Company
- **Incorporated:** 17 Dec 1980
- **Registered office:** SPRING LODGE 172 CHESTER ROAD, HELSBY, CHESHIRE, WA6 0AR
- **Nature of business:** [42910](/sic/42910) Construction of water projects, [43999](/sic/43999) Other specialised construction activities n.e.c.
- **Corporate group:** [GMV Nominees Ltd](/group/4) (48216 companies)


## Previous names

- Biwater Europe Limited (until 10 Jul 1997)
- Biwater Treatment Limited (until 29 Dec 2010)
- MWH Treatment Limited (until 29 Dec 2017)
- Stantec Treatment Limited (until 5 Dec 2018)



## Officers

| Name | Role | Appointed | Resigned |
|---|---|---|---|
| HERLIHY, Francis | director | 1 Apr 2025 |  |
| GOODACRE, Ian Robert, Dr | director | 31 Aug 2021 |  |
| RYDER, Alasdair Alan | director | 31 Aug 2021 |  |
| SMITH, Mark William | director | 31 Aug 2021 |  |
| BRESNAN, Paul James | director | 23 Feb 2015 |  |



## Control

| Name | Nature of control | Notified | Ceased |
|---|---|---|---|
| Stantec Treatment Holding Limited | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors-as-firm, significant-influence-or-control-as-firm | 6 Apr 2016 | 2 Nov 2018 |
| Mwh Uk Acquisitions Limited | ownership-of-shares-75-to-100-percent, voting-rights-75-to-100-percent, right-to-appoint-and-remove-directors | 2 Nov 2018 |  |




## Owned by

MWH Treatment Limited → [MWH UK Acquisitions Limited](/company/11652932) → [RSK Environment Limited](/company/SC115530) → [Ares Management Limited](/company/05837428)



## Controls

- [MWH Farrer Limited](/company/05728436) (05728436)



## Directors' other companies

- [BRESNAN, Paul James](/person/7133063) - director at [MWH Constructors Limited](/company/11493725)
- [BRESNAN, Paul James](/person/7133063) - director at [MWH Limited](/company/11493983)
- [GOODACRE, Ian Robert, Dr](/person/7133066) - director at [MWH Limited](/company/11493983)
- [GOODACRE, Ian Robert, Dr](/person/7133066) - director at [MWH Constructors Limited](/company/11493725)
- [HERLIHY, Francis](/person/5381401) - director at [MWH UK Acquisitions Limited](/company/11652932)
- [HERLIHY, Francis](/person/5381401) - director at [Gridflex Ltd](/company/12553336)
- [HERLIHY, Francis](/person/5381401) - director at [Entrainment Limited](/company/06245436)
- [HERLIHY, Francis](/person/5381401) - director at [NON Entry Systems Limited](/company/03052061)
- [HERLIHY, Francis](/person/5381401) - director at [Proeon Systems Limited](/company/05112628)
- [HERLIHY, Francis](/person/5381401) - director at [RSK Adas Limited](/company/10486936)



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