MWH Treatment

Design, delivery and operations services for UK water and wastewater utilities through framework contracts

Cheshire, United KingdomFounded 1980mwhtreatment.comWebsite technologies

+ Add to sales board

Highlights

  • Hiring13 open roles
  • New on EvolcAdded 2026-10-29

About MWH Treatment

MWH Treatment provides integrated engineering design, procurement, delivery and commissioning services for water and wastewater solutions. Scope runs from major programmes and projects to minor capital maintenance, process optimisation and operations.

Its customers are operators in the UK water industry. Work is delivered through six major AMP 7 frameworks, including integrated joint ventures and alliances, supported by a 100-strong direct multi-trade workforce and a supply chain.

The company traces its roots to 1820 through predecessor firms including Ames Crosta, Whitehead & Poole, Biwater and Montgomery Watson Harza (MWH). It is registered in the UK as MWH Treatment Limited, founded in 1980, with a headquarters in Cheshire and a support services centre in Manchester. It reports more than 800 engineering, procurement, delivery and commissioning professionals. Open roles are grouped under engineering, operations, SHEQ, and graduate and apprentice programmes.

Product: Integrated water and wastewater design, delivery, commissioning, process optimisation and operations services for utility capital and maintenance programmes.

Jobs at MWH Treatment (13)

MWH Treatment is hiring for 13 roles, mostly in product, engineering and operations, based in Coleshill and Hattersley.

See all 13 jobs at MWH Treatment →

Companies hiring like MWH Treatment

More construction companies

  • Myc Group (UK)

    Main-contractor construction, modular building, façade and MEP services for commercial and residential project clients in the UK
    Barnet, United KingdomConstructionFounded 2022
    Young companyNew on Evolc
  • Mydek

    A1 fire-rated balcony and terrace decking and support systems for UK high-rise developers, contractors and consultants
    Reading, United KingdomConstructionFounded 2016
    New on Evolc
  • N.R.C. Plant

    Crawler crane hire, sales, maintenance and repair for construction and infrastructure projects in the UK
    Orsett, United KingdomConstructionFounded 19972 open jobs
    New on Evolc
  • Nationwide Roofing Repairs

    Roofing repairs, maintenance and installations for domestic, commercial and industrial property owners across the UK
    Birmingham, United KingdomConstructionFounded 2023
    Young companyNew on Evolc
  • Naylor Drainage

    Manufactures plastic and clay drainage, ducting and sewer systems for UK highways, utilities and civil engineering projects
    Barnsley, United KingdomConstructionFounded 19388 open jobs
    New on Evolc
  • Neptunus

    Temporary buildings and event structures for businesses, event organisers and public venues
    Northampton, United KingdomConstructionFounded 19873 open jobs
    New on EvolcSalary transparent

All construction companies →

Website technologies

Older, unverified list. Detection dates and supporting evidence are not yet available.

  • ASP.NET
  • Azure
  • Cloudflare
  • Google Analytics 4
  • Google Universal Analytics
  • Hotjar
  • PHP
  • WordPress
  • jQuery