Accounts to March 2025 · Group accounts · Filed September 2025

Northumbrian Water: who owns it, who runs it and what the accounts show

Northumbrian Water Limited's person with significant control on the Companies House register is Northumbrian Water Group Limited. In the year to March 2025 Northumbrian Water Limited reported turnover of £1,017m.

£1,017m
Turnover, up 10.7%
£114m
Pre-tax profit
3,505
Employees
Registered name
NORTHUMBRIAN WATER LIMITED
Company number
02366703
Status
Active
Incorporated
1 April 1989
Registered office area
Durham
Industry code on the register
36000: Water collection, treatment and supply
Accounts
Group accounts, covering the companies it owns
Accounts type
Full group accounts
Latest accounts
Year to March 2025, filed 8 September 2025

What does Northumbrian Water do?

Northumbrian Water is a water and wastewater company serving the North East of England under the Northumbrian Water name, and supplying water in parts of Essex and Suffolk as Essex & Suffolk Water. It makes money from customer water and sewerage bills, set within price limits regulated by Ofwat. Customers cannot choose another household supplier. The company is owned by a group of investors led by CK Infrastructure Holdings, part of the Hong Kong-based CK group.

In brief: water and wastewater · North East, Essex and Suffolk · regulated bills · owned by CKI-led investors

Source: Spark Intel editorial, checked 24 September 2026. Official website: nwl.co.uk.

Who owns Northumbrian Water?

Northumbrian Water Limited
Northumbrian Water · company 02366703
Northumbrian Water Group Limited
Company

The Companies House register records Northumbrian Water Group Limited as the person with significant control of Northumbrian Water Limited, company number 02366703. Northumbrian Water Group Limited is itself company number 04760441.

That places Northumbrian Water Limited inside a larger group. Its accounts are group accounts, covering the companies it owns as well.

The full ownership record is on the Companies House register. Control is given in the bands the register uses, not as exact shareholdings.

Who runs Northumbrian Water?

The Companies House register lists 13 current officers for Northumbrian Water Limited.

All 13 current officers
OfficerAppointed
Heidi Mottram1 March 2010
Andrew John Hunter14 October 2011
Hing Lam Kam14 October 2011
Loi Shun Chan14 October 2011
Wai Che Wendy Tong Barnes8 October 2012
Richard George Sexton14 April 2021
Alan Alexander Bryce14 April 2021
Peter David Vicary-Smith14 July 2021
Professor Jacqueline Myriam McGlade14 July 2021
Richard William Peter Somerville8 October 2021
Chiu Ng20 May 2024
Thomas Keith Harris17 February 2026
Duncan Nicholas Macrae18 February 2026

Every current officer, with appointment dates, is on the Companies House register.

What did Northumbrian Water file?

Northumbrian Water Limited reported turnover of £1,017m in the year to March 2025. That was up 10.7% on £919m the year before.

It reported 3,505 employees. The year before it reported 3,270.

It filed a pre-tax profit of £114m for the year, against a pre-tax loss of £1.2m the year before.

Staff costs came to £182m. That is an average of £52,000 a head. It ended the year with £165m at the bank and net assets of £165m. It paid dividends of £40m.

Mar 2025£17.85£21.51£49.46£11.18 profit
Mar 2024£18.48£81.65£0.13 loss
Where each £100 of turnover goes: payroll (staff costs), financing (interest paid), other costs and pre-tax profit. A loss is the part of the costs beyond £100, marked with a red bracket. Hover over a segment for its figure.
MeasureMar 2025Mar 2024
Turnover£1,017m£919m
Pre-tax profit£114m (filed)-£1.2m (filed)
Employees3,5053,270
Staff costs£182m£170m
Average staff cost per head£52,000£52,000
Bank and cash£165m£50m
Net assets£165m£60m
Dividends paid£40m£66m
Interest paid£219m
Interest received£42m
Directors' pay£1.3m

Read the accounts to March 2025 on Companies House, where every set of accounts the company has filed can be downloaded as a PDF.

Are there any charges against Northumbrian Water?

Northumbrian Water Limited has registered 2 charges at Companies House, of which 1 is still outstanding. A charge is security a lender takes over a company's assets; one is satisfied when the lending behind it is repaid or released.

The outstanding charge
Charge holderCreated
Reiver Finance Limited24 May 2004

Each charge, with its holder and dates, is on the Companies House register.

Northumbrian Water files as Northumbrian Water Limited, whose person with significant control is Northumbrian Water Group Limited, with turnover of £1,017m in its latest filed year.

Questions about Northumbrian Water

What does Northumbrian Water do?

Northumbrian Water is a water and wastewater company serving the North East of England under the Northumbrian Water name, and supplying water in parts of Essex and Suffolk as Essex & Suffolk Water. It makes money from customer water and sewerage bills, set within price limits regulated by Ofwat. Customers cannot choose another household supplier. The company is owned by a group of investors led by CK Infrastructure Holdings, part of the Hong Kong-based CK group.

Who owns Northumbrian Water?

The Companies House register records Northumbrian Water Group Limited as the person with significant control of Northumbrian Water Limited.

How much does Northumbrian Water make?

Northumbrian Water Limited reported turnover of £1,017m in the year to March 2025. It filed a pre-tax profit of £114m.

How many people work at Northumbrian Water?

Northumbrian Water Limited reported 3,505 employees in the year to March 2025.

Who runs Northumbrian Water?

The Companies House register lists 13 current officers for Northumbrian Water Limited. The full list, with appointment dates, is on the Companies House register.

  • Figures come from Northumbrian Water Limited's filings at Companies House, company number 02366703, for the period shown at the top of the page.
  • These are group accounts: they include the companies it owns.
  • Pre-tax profit is the figure the company filed, for both years.
  • A figure the filing does not disclose is shown as n/d. A zero in the filing is treated as not disclosed, never as nil.
  • Rounding: below £0.1m in thousands, from £0.1m to £2m to one decimal place, from £2m to the nearest million.
  • Ownership is shown in the control bands the register of people with significant control uses, not as exact shareholdings.
  • Officers' names and appointment dates come from the Companies House register. Job titles come from the company's own website. The description of what the company does comes from its website, or is marked Spark Intel editorial where it is written from stable, checked facts, with the date either way.

Spark Intel, “Northumbrian Water: who owns it, who runs it and what the accounts show”, updated 28 September 2026. https://www.spark-intel.co.uk/companies/northumbrian-water/. Figures from Companies House filings for NORTHUMBRIAN WATER LIMITED (02366703).

Spark Intel · Company Profiles · Figures rounded to protect precision of source filings