MWH Treatment Limited

Active01535477 Private limited company

What Mwh Treatment say about themselves

“MWH Treatment is a sector leading solution provider operating across the UK water industry with over 800 process intelligent professions.”

— from mwhtreatment.com
Incorporated
17 December 1980 (45 years)
Previously known as
Stantec Treatment Limited (until 5 December 2018)
MWH Treatment Limited (until 29 December 2017)
Biwater Treatment Limited (until 29 December 2010)
Earlier: Biwater Europe Limited, Biwater Treatment Limited
Industry
Construction of water projects (42910)
Other specialised construction activities n.e.c. (43999)
Directors
Owned by
Accounts type
Full
Region
North West
Address
Spring Lodge 172 Chester Road
Helsby
Cheshire
WA6 0AR

Filing status

Accounts due
31 December 2026
Last accounts
31 March 2025
Conf. stmt due
26 August 2027
Last conf. stmt
12 August 2026

Charges

Total
10
Outstanding
2
Part satisfied
0
Satisfied
8

Officers 6 active

Officer details are public data from the Companies House register.

Director · Appointed 1 April 2025
Also at N-Able Holdings Ltd, Optimus Plus (Aberdeen) Limited, PD&MS Holdings Limited · more companies
British
Born January 1966 (60)
Evans, Sally
Secretary · Appointed 27 September 2021
Director · Appointed 31 August 2021
Also at MWH Limited, MWH Constructors Limited, MWH UK Acquisitions Limited · more companies
British
Born May 1972 (54)
Director · Appointed 31 August 2021
Also at Adas Silverdale Limited, Envirolab Limited, MWH Limited · more companies
British
Born September 1961 (65)
Director · Appointed 31 August 2021
Also at MWH Limited, MWH Constructors Limited, Cognica Limited · more companies
Irish
Born July 1967 (59)
Director · Appointed 23 February 2015
Also at MWH Limited, MWH Constructors Limited, Elsym Installations Limited · more companies
British
Born August 1966 (60)
Officer history (51 former)
1 April 2025
Appointed Herlihy, Francis as Director
31 March 2025
Resigned Draper, Abigail Sarah as Director
27 September 2021
Appointed Evans, Sally as Secretary
27 September 2021
Resigned Mclurgh, David Brian, Dr as Secretary
31 August 2021
Resigned Lee, James as Director
31 August 2021
Appointed Goodacre, Ian Robert, Dr as Director
31 August 2021
Appointed Ryder, Alasdair Alan as Director
31 August 2021
Appointed Smith, Mark William as Director
31 August 2021
Appointed Draper, Abigail Sarah as Director
31 August 2021
Resigned Giuliani, Francesco as Director
31 August 2021
Resigned Lavoie, Blair Michael as Director
21 May 2020
Appointed Giuliani, Francesco as Director
6 March 2019
Appointed Mclurgh, David Brian, Dr as Secretary
6 March 2019
Resigned Bresnan, Paul James as Secretary
2 November 2018
Appointed Lee, James as Director
2 November 2018
Appointed Bresnan, Paul James as Secretary
2 November 2018
Resigned Alpern, Paul Jeremy David as Director
2 November 2018
Resigned Hall-Sturt, Victoria Jayne as Secretary
3 August 2018
Resigned Maloney, Gina Paola as Secretary
11 December 2017
Resigned Nuttall, Rolfe as Director
2 November 2017
Appointed Alpern, Paul Jeremy David as Director
2 November 2017
Resigned Wilson, Andrew Charles as Director
18 July 2017
Resigned Barnes, David Griffin as Director
18 July 2017
Appointed Wilson, Andrew Charles as Director
1 December 2016
Resigned Moist, Sarah Ann as Secretary
7 July 2016
Appointed Barnes, David Griffin as Director
27 June 2016
Resigned Gledhill, Paul Anthony as Director
15 June 2016
Resigned Kuiken, James Graham as Director
23 February 2015
Appointed Bresnan, Paul James as Director
20 February 2015
Appointed Gledhill, Paul Anthony as Director
17 February 2015
Appointed Nuttall, Rolfe as Director
17 February 2015
Resigned Abraham, John Patrick as Director
18 June 2014
Resigned O'Reilly, Kevin David as Director
30 August 2013
Appointed Kuiken, James Graham as Director
30 August 2013
Resigned Mcaulay, Ian James as Director
27 August 2013
Appointed O'Reilly, Kevin David as Director
5 November 2012
Appointed Maloney, Gina Paola as Secretary
24 April 2012
Resigned Barnes, David Griffin as Director
24 April 2012
Appointed Lavoie, Blair Michael as Director
5 April 2012
Appointed Mcaulay, Ian James as Director
5 April 2012
Resigned Adams Jr, Joseph Daniel as Director
18 February 2011
Resigned Hall-Sturt, Victoria Jayne as Director
18 February 2011
Appointed Hall-Sturt, Victoria Jayne as Secretary
17 February 2011
Appointed Abraham, John Patrick as Director
23 December 2010
Appointed Moist, Sarah Ann as Secretary
23 December 2010
Appointed Barnes, David Griffin as Director
23 December 2010
Resigned O'Reilly, Kevin David as Director
23 December 2010
Appointed Adams Jr, Joseph Daniel as Director
23 December 2010
Resigned Standring, Thomas John as Director
23 December 2010
Resigned Abraham, John Patrick as Director
23 December 2010
Resigned Armstrong, Bernard John as Director
23 December 2010
Appointed Hall-Sturt, Victoria Jayne as Director
23 December 2010
Resigned Studholme, Mark as Director
23 December 2010
Resigned Hull, Christopher John as Director
23 December 2010
Resigned Dodd, Norman Eric as Secretary
31 May 2009
Resigned Marsh, David Thomas, Mr. as Director
31 May 2009
Resigned White, David Frederick Wigram as Director
1 April 2009
Appointed White, David Frederick Wigram as Director
31 March 2009
Resigned Wilson, Mark as Director
1 April 2006
Appointed Standring, Thomas John as Director
1 April 2006
Appointed Marsh, David Thomas, Mr. as Director
1 April 2006
Appointed O'Reilly, Kevin David as Director
1 April 2006
Appointed Wilson, Mark as Director
31 March 2006
Resigned Jarema, Peter John as Director
31 March 2006
Resigned Williams, Anthony Vernon as Director
1 February 2004
Appointed Hull, Christopher John as Director
30 August 2002
Resigned Green, Neil Anthony as Director
2 April 2002
Appointed Green, Neil Anthony as Director
18 December 2001
Resigned Ingham, Roger as Director
1 December 2001
Appointed Abraham, John Patrick as Director
1 February 2001
Appointed Jarema, Peter John as Director
1 February 2001
Appointed Williams, Anthony Vernon as Director
13 June 2000
Resigned Smith, Kenneth as Secretary
13 June 2000
Resigned Smith, Kenneth as Director
13 June 2000
Appointed Dodd, Norman Eric as Secretary
24 May 2000
Resigned White, David Frederick Wigram as Director
31 January 2000
Resigned Greenhalgh, Spencer Harold, Dr as Director
1 January 2000
Appointed Studholme, Mark as Director
31 January 1999
Resigned Townsend, Allan Edward as Director
24 October 1997
Resigned Kerslake, John Ernest Alfred as Secretary
20 October 1997
Appointed Ingham, Roger as Director
13 October 1997
Appointed Townsend, Allan Edward as Director
2 October 1997
1 October 1997
Appointed Smith, Kenneth as Secretary
1 October 1997
Appointed Smith, Kenneth as Director
1 October 1997
Appointed Greenhalgh, Spencer Harold, Dr as Director
30 April 1996
Resigned Renshaw, Geoffrey Mark as Director
23 April 1996
Appointed White, David Frederick Wigram as Director
23 April 1996
25 April 1995
Resigned Robinson, Peter Lee as Director
31 December 1994
Resigned Smith, Alan as Director
6 June 1994
Resigned Spence, John Alastair as Director
6 June 1994
Resigned Crook, Neville as Director
22 July 1993
Resigned Ferrar, Anthony John David as Director
22 July 1993
Resigned Ferrar, Anthony John David as Secretary
31 March 1993
Resigned Benfield, Douglas Charles as Director
31 March 1993
Appointed Robinson, Peter Lee as Director
1 January 1993
Appointed Ferrar, Anthony John David as Director
1 January 1993
Appointed Spence, John Alastair as Director
1 January 1993
Appointed Ferrar, Anthony John David as Secretary
11 November 1992
Resigned Robinson, Peter Lee as Director

Ownership 1 active

People and entities with significant control, from the Companies House PSC register

Corporate entity · Notified 2 November 2018
Owns 75–100% of shares
Holds 75–100% of voting rights
Right to appoint and remove directors
Private Limited Company
Reg. no. 11652932

Holdings 1

Companies where MWH Treatment Limited is registered as a person with significant control

Owns 75–100% of shares
Active
Former controllers (1)
2 November 2018
Ceased Stantec Treatment Holding Limited — Owns 75–100% of shares

Filings 290

DateDescriptionMade Up ToPagesPDF
12 August 2026Confirmation statement with no updates12 August 2026
16 October 2025Full accounts31 March 2025
12 August 2025Confirmation statement with no updates12 August 2025
4 April 2025Full accounts31 March 2024
3 April 2025Appointment of a director
Show all 290 filings

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