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Company

MWH Treatment Limited

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Official record Companies House · updated 20th September 2026 · Sources

Network

The large node is MWH Treatment Limited. Red nodes are organisations, white nodes are people. Sign in free to explore further.

Who leads it

Previous officers 41

  1. Francesco Giuliani 2020-2021 Director View profile
  2. James Lee 2018-2021 Director View profile
  3. Paul Jeremy David Alpern 2017-2018 Director View profile
  4. Andrew Charles Wilson 2017-2017 Director View profile
  5. Paul Anthony Gledhill 2015-2016 Director View profile
  6. Rolfe Nuttall 2015-2017 Director View profile
  7. James Graham Kuiken 2013-2016 Director View profile
  8. Kevin David O'Reilly 2013-2014 Director View profile
  9. Blair Michael Lavoie 2012-2021 Director View profile
  10. Ian James Mcaulay 2012-2013 Director View profile
  11. John Patrick Abraham 2011-2015 Director View profile
  12. Joseph Daniel Adams Jr 2010-2012 Director View profile
  13. David Griffin Barnes 2010-2017 Director View profile
  14. Victoria Jayne Hall-Sturt 2010-2018 Director View profile
  15. David Frederick Wigram White 2009-2009 Director View profile
  16. Thomas John Standring 2006-2010 Director View profile
  17. Mark Wilson 2006-2009 Director View profile
  18. Marsh, David Thomas, Mr. 2006-2009 Director View profile
  19. Christopher John Hull 2004-2010 Director View profile
  20. Neil Anthony Green 2002-2002 Director View profile
  21. Anthony Vernon Williams 2001-2006 Director View profile
  22. Peter John Jarema 2001-2006 Director View profile
  23. Mark Studholme 2000-2010 Director View profile
  24. Roger Ingham 1997-2001 Director View profile
  25. Allan Edward Townsend 1997-1999 Director View profile
  26. Dr Spencer Harold Greenhalgh 1997-2000 Director View profile
  27. Christopher Roderick John Goscomb 1996-1997 Director View profile
  28. Peter Lee Robinson 1993-1995 Director View profile
  29. John Alastair Spence 1993-1994 Director View profile
  30. Geoffrey Mark Renshaw 1996 Director View profile
  31. Alan Smith 1994 Director View profile
  32. Neville Crook 1994 Director View profile
  33. Bernard John Armstrong 2010 Director View profile
  34. Douglas Charles Benfield 1993 Director View profile
  35. Dr David Brian Mclurgh 2019-2021 Secretary View profile
  36. Gina Paola Maloney 2012-2018 Secretary View profile
  37. Sarah Ann Moist 2010-2016 Secretary View profile
  38. Norman Eric Dodd 2000-2010 Secretary View profile
  39. Kenneth Smith 1997-2000 Secretary View profile
  40. Anthony John David Ferrar 1993-1993 Secretary View profile
  41. John Ernest Alfred Kerslake 1997 Secretary View profile

Directors and secretaries as filed at Companies House.

Do you help lead this organisation? Set up its network · How it works

Public contracts won

1 contract · £1,500,000,000 total

From Contracts Finder and Find a Tender, the UK Government's public procurement notices, under the Open Government Licence v3.0. Matched to this organisation by company number, charity number or exact name and postcode; every figure links to its source notice.

  • Major Infrastructure Delivery Framework Buyer: ANGLIAN WATER SERVICES LIMITED £1,500,000,000 2026-08-17 Source: Find a Tender

    Anglian Water Services Ltd (Anglian Water) is undertaking a procurement exercise to establish a multi-supplier framework agreement to support the delivery of its capital investment, necessary for adaptations to climate change and anticipate…

    Framework

About

Incorporated
17/12/1980

Ownership

Owned by (1) iOwned byIndividuals and companies registered as having significant control over this company, from the Companies House PSC (persons with significant control) register. People whose ownership could not be confirmed to one individual are not listed as confirmed owners.

Group

  1. MWH Treatment Limited is controlled by MWH UK Acquisitions Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2018-11-02 · source: Companies House PSC register
  2. MWH UK Acquisitions Limited is controlled by RSK Environment Limited
    Evidence
    active 75-100% shares, 75-100% voting, appoints directors · notified 2021-08-31 · source: Companies House PSC register
  3. RSK Environment Limited is controlled by RSK Group Limited
    Evidence
    active 75-100% voting, appoints directors · notified 2016-04-06 · source: Companies House PSC register
  4. RSK Group Limited is controlled by Alasdair Alan Ryder
    Evidence
    ceased 25-50% voting · notified 2016-04-06, ceased 2025-12-18 · source: Companies House PSC register

Ultimately controlled by Alasdair Alan Ryder.

108 other companies in this group

Ownership paths are calculated from Companies House persons-with-significant-control filings. Each step shows the filed nature of control and dates; a step marked "ceased" is historical, not current.

Grants received

31 grants · £16,628,481 total

360Giving data, published by funders. Coverage only includes funders who publish their grants to 360Giving, so these figures are a floor, not a complete picture.

Top funders

  • Department for Levelling Up, Housing and Communities · £9,183,700 (18 grants)
  • Ministry of Housing, Communities & Local Government · £7,407,000 (12 grants)
  • Department for Business, Energy and Industrial Strategy · £37,781

Most recent

  • Ministry of Housing, Communities & Local Government £1,072,5002025-03-19
  • Ministry of Housing, Communities & Local Government £1,155,0002025-03-19
  • Ministry of Housing, Communities & Local Government £93,0002024-11-25
  • Ministry of Housing, Communities & Local Government £46,5002024-11-22
  • Ministry of Housing, Communities & Local Government £46,5002024-11-22
Board analysis for researchers

Board DNA

How this board is put together, from the Companies House officer record and Charity Commission trustee records - deterministic, no AI.iBoard compositionCounted from the dated Companies House officer record: the current directors only, past directors excluded.

2 directors on the board

4.9y median 4.9y
average tenure
4.9y
longest tenure
0
directors past 6 years

First-time vs portfolio directors

Portfolio (2)

0
also govern a charity
0
left in the last 12 months

Where else this board sits iWhere else this board sitsThe charitable fields these directors govern in elsewhere, by Charity Commission classification. Excludes this company and any charity it is the legal face of.

Construction 6Professional services 6Business services 1Other services 1Utilities 1

The sectors these directors govern in elsewhere. This company, and any charity it is the legal face of, are excluded - counting them would just tell you what you are already looking at.

Sources

Official record from Companies House. Governance Register calculates the connections.

Record details
Company number
01535477
Status
Active
Type
Private Limited Company
Edition
Register edition compiled 20th September 2026
Labels
Official record from Companies House · Calculated derived by Governance Register.

Contains public sector information licensed under the Open Government Licence v3.0. Report an issue · How we handle data