SOUTHERN WATER SERVICES LIMITED
Trading as Southern Water, the company is a private utility majority-owned by Macquarie Group that provides public water supply and wastewater treatment services across South East England.
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Cash
£1.2bn
+180.2% highest in 3 filed years
Net assets
£570m
+50.5% vs 2025
Employees
—
Average over period
Profit before tax
£15m
+200% highest in 3 filed years
Watchouts
Facts from the Companies House register and the latest accounts — not a rating
-
3 officer resignations in last 12 months
Multiple officers have left the board recently — see the People section for who.
Net assets
3-year trend · vs Utilities median
Accounts
3-year trend · Δ = latest vs prior filed period · latest reflected 2026-03-31
| Metric | Trend | 2024-03-31 | 2025-03-31 | 2026-03-31 | Δ vs prior |
|---|---|---|---|---|---|
| Turnover | £859,400,000 | £964,200,000 | — | — | |
| Operating profit | -£665,000,000 | £17,400,000 | £363,200,000 | +1,987.4% | |
| Profit before tax | -£970,200,000 | -£15,100,000 | £15,100,000 | +200% | |
| Net profit | — | — | — | — | |
| Cash | £413,500,000 | £413,500,000 | £1,158,800,000 | +180.2% | |
| Total assets less current liabilities | — | £8,879,500,000 | £10,281,000,000 | +15.8% | |
| Net assets | £2,457,600,000 | £378,500,000 | £569,500,000 | +50.5% | |
| Equity | £94,000,000 | £382,000,000 | £1,828,100,000 | +378.6% | |
| Average employees | 1,436 | 1,497 | — | — | |
| Wages | £131,000,000 | £145,300,000 | — | — | |
| Directors' remuneration | £1,000,000 | £2,189,000 | — | — | |
| Directors' pension contributions | £137,800 | £764,000 | — | — | |
| Highest paid director | £70,200 | £1,378,000 | — | — |
Values shown as filed in the company's annual accounts. — indicates the figure wasn't present under that line item in that period. The Δ column is the change from the prior filed period as a percentage of |prior|; lines a company doesn't report show —. About these numbers
Ratios
Computed from the line items above — sparklines read oldest → newest
| Ratio | Trend | 2024-03-31 | 2025-03-31 | 2026-03-31 |
|---|---|---|---|---|
| Operating margin | -77.4% | 1.8% | — | |
| Return on capital employed | — | 0.2% | 3.5% | |
| Gearing (liabilities / total assets) | 71.7% | 95.9% | 94.8% | |
| Current ratio | 23.71x | 2.56x | 2.83x | |
| Interest cover | -0.71x | 0.07x | 0.47x |
Margins divide P&L lines by turnover. Gearing is liabilities over total assets. Current ratio is current assets over creditors falling due within one year. Interest cover is operating profit over absolute finance costs. Sector-distribution context coming next.
Audit & accounting basis
- Accounting basis
- FRS 101
- Reporting scope
- Standalone (parent only)
- Auditor
- DELOITTE LLP
- Audit opinion
- Unqualified (clean)
- Going concern
- Affirmed
“The directors have prepared these financial statements on the basis that the company will continue to operate as a going concern. The directors' assessment of the company's ability to continue as a going concern is set out in note 2.”
Significant events
- “Subject to merger regulation clearance, the majority of the equity commitment is being made by Asterion, Asterion being responsible for the capital investment in the company.”
Auditor, going-concern and subsidiary information is drawn from the narrative of the latest annual accounts. About these numbers
People
11 active · 80 resigned
| Name | Role | Appointed | Born | Nationality |
|---|---|---|---|---|
| REDDING, Sandra Faye | Secretary | 2026-07-22 | — | — |
| COOPER, Malcolm Charles | Director | 2019-12-23 | Jun 1959 | British |
| CORRIGALL, Neil Robert Vint | Director | 2023-11-29 | Oct 1976 | British,South African |
| DAVIES, Andrew Oswell Bede | Director | 2026-05-06 | Oct 1963 | British |
| DELBÉ, Christèle | Director | 2023-05-31 | Feb 1972 | French |
| GOSDEN, Lawrence Karl | Director | 2022-07-01 | Jan 1969 | British |
| HURRELL, Stephen Glynn | Director | 2026-08-28 | Aug 1957 | British |
| JENNINGS, Kerensa Jane, Professor | Director | 2023-05-31 | Jan 1971 | British |
| LEDGER, Stuart Neil | Director | 2023-01-03 | Jan 1976 | British |
| MCARTHUR, Neil Craig | Director | 2024-10-01 | Sep 1961 | British |
| PRICE, William David George | Director | 2021-09-08 | Sep 1984 | British |
Show 80 resigned officers
| Name | Role | Appointed | Resigned |
|---|---|---|---|
| HALL, Kevin Gregory | Secretary | 1996-12-24 | 2015-09-30 |
| HEYES, Graham John | Secretary | 1994-04-01 | 1996-12-24 |
| MANNING, Richard Denley John | Secretary | 2018-07-24 | 2026-07-22 |
| NICHOLSON, Graham Dudley | Secretary | — | 1994-04-01 |
| STATTON, Joanne | Secretary | 2015-10-01 | 2018-07-24 |
| AHMAD, Nadim | Director | 2022-07-31 | 2023-01-03 |
| ALEXANDER, David William | Director | 2005-02-10 | 2006-04-10 |
| ANTOLIK, Peter Szymon | Director | 2012-02-22 | 2015-01-07 |
| ARMSTRONG, Robert David | Director | 2008-05-23 | 2015-01-31 |
| BAGGS, Martin Wayne | Director | 2001-05-14 | 2005-10-07 |
| BANON, Jean Claude | Director | 2003-05-07 | 2005-02-10 |
| BARNES, Wendy Jacqueline | Director | 2017-09-26 | 2020-03-27 |
| BLACK, Cheryl Campbell | Director | 2008-05-23 | 2015-01-31 |
| BOELEN, Sebastianus Antonius Theodorus | Director | 2018-12-14 | 2022-07-31 |
| BOOT, Rosemary Jane Cecilia | Director | 2015-03-01 | 2023-03-31 |
| BRADLEY, Martin | Director | 2021-09-08 | 2022-05-01 |
| CARMEDY, Michael | Director | 2011-11-01 | 2016-03-31 |
| CHAPMAN, Christopher Baker, Professor | Director | 1997-11-01 | 2003-11-18 |
| CLAYTON, Richard Frank | Director | — | 1999-08-31 |
| COLLETT, Raymond Francis Thomas | Director | 1995-05-02 | 1996-10-04 |
| COLLETT, Raymond Francis Thomas | Director | — | 1993-05-11 |
| COURTNEY, William John Wesley | Director | — | 1993-02-01 |
| CULLINAN, Rory Malcolm | Director | 2003-05-07 | 2004-10-01 |
| CUTTING, William | Director | — | 1995-06-15 |
| DARLEY, Francois | Director | 2003-05-07 | 2005-03-15 |
| DAWSON, Leslie William | Director | 2005-10-25 | 2010-05-26 |
| DE ROSEN, Paul | Director | 2004-02-24 | 2006-04-10 |
| DELACOUR, Barrie Walter | Director | 1997-11-10 | 2007-04-25 |
| DERWENT, Stuart | Director | — | 2005-03-17 |
| FEGAN, Anthony James | Director | 1999-07-16 | 2004-09-01 |
| FRANCIS, Ian Raymond | Director | 2018-09-12 | 2019-02-12 |
| FRASER, Steven Richard | Director | 2022-05-01 | 2025-12-08 |
| FULLER, Mary Katherine | Director | 2020-06-15 | 2021-09-08 |
| GILBERT, Andrew Emerson | Director | 2017-09-26 | 2018-10-04 |
| GOLDEN, David | Director | 2003-11-01 | 2015-06-23 |
| GOODBOURN, Howard Charles | Director | 2004-03-29 | 2011-03-07 |
| GUY, Gillian Lesley | Director | 2018-11-12 | 2025-03-31 |
| HARRINGTON, Lisa | Director | 2015-04-01 | 2018-03-31 |
| HARRIS, John Clement | Director | 1997-11-01 | 2005-03-31 |
| HEWETT, Bruce Alexander Ogston | Director | — | 1993-02-01 |
| HOOD, Colin William | Director | 2011-02-23 | 2014-04-01 |
| HUTCHINSON, Eric John | Director | 1992-12-01 | 2003-05-31 |
| JENNINGS, Robert Archie | Director | 2012-07-01 | 2017-02-28 |
| KINSKI, Michael John | Director | 1996-12-16 | 1998-03-01 |
| LAMBE, William Anthony | Director | 2016-05-03 | 2018-12-14 |
| LOUGH, Keith Geddes | Director | 2019-08-01 | 2026-07-16 |
| MACDONAGH, Simon Michael Peter | Director | 2005-03-15 | 2008-04-22 |
| MANGION, Joseph Bernard | Director | 2003-09-15 | 2003-11-30 |
| MANGION, Joseph Bernard | Director | 2003-05-16 | 2003-07-16 |
| MARSHALL, Steven | Director | 2005-04-19 | 2010-01-31 |
| MATHIESON, Mark William | Director | 2021-09-08 | 2023-10-31 |
| MCAULAY, Ian James | Director | 2017-02-01 | 2022-06-30 |
| MCCULLOUGH, Kevin | Director | 2019-07-18 | 2022-07-31 |
| MERCER, Ronnie Edward | Director | 1998-03-01 | 2001-04-01 |
| MIDMER, Francis Neil | Director | — | 1993-02-01 |
| MOY, Paul John | Director | 2010-02-22 | 2016-05-19 |
| NELSON, Richard Anthony | Director | 2002-04-23 | 2003-05-07 |
| O'BRIEN, John James | Director | 2005-03-15 | 2006-04-10 |
| PETERS, Phillip William | Director | 2007-10-22 | 2010-01-12 |
| PUTNAM, Michael Colin | Director | 2017-09-26 | 2024-07-31 |
| ROGER LACAN, Cyril | Director | 2003-05-07 | 2004-02-24 |
| SETTERFIELD, Graham Hillier | Director | — | 1997-11-10 |
| SHEFFIELD, Michael Paul | Director | 2014-06-01 | 2023-03-31 |
| SMITH, Alastair Lumsden | Director | — | 1996-10-04 |
| SOMES, Bronte Louise | Director | 2011-07-19 | 2016-05-19 |
| STAINTHORPE, David John | Director | 1997-11-10 | 2004-09-30 |
| SULAIMAN, Sara | Director | 2017-09-26 | 2021-09-08 |
| SWIFT, Philip | Director | 2023-05-31 | 2025-03-31 |
| TAME, William | Director | 2015-01-01 | 2019-03-31 |
| THIAN, Robert Peter | Director | 2003-05-13 | 2008-01-23 |
| TOOR, Surinder Singh | Director | 2009-02-09 | 2014-03-07 |
| TOZZI, Keith | Director | — | 1993-02-01 |
| TRUSCOTT, Andrew John | Director | 2015-01-07 | 2017-09-26 |
| WALTERS, Mark Alan | Director | 2014-03-07 | 2017-09-26 |
| WALTERS, Mark Alan | Director | 2010-01-13 | 2011-02-23 |
| WELTON, Michael William | Director | 2008-01-24 | 2012-02-20 |
| WORKMAN, John Donald Black | Director | 2004-10-01 | 2007-10-15 |
| WRIGHT, Matthew Reginald, Mr. | Director | 2011-02-28 | 2016-12-31 |
| YUEN, Jaron | Director | 2010-02-22 | 2011-07-19 |
| ZIBARRAS, Jason Demetrious | Director | 2007-10-22 | 2010-01-13 |
Ownership
Persons with significant control
| Name | Kind | Nature of control | Notified | Status |
|---|---|---|---|---|
| Sws Holdings Limited | Corporate entity | Shares 75–100%, Voting 75–100%, Appoints directors | 2016-04-06 | Active |
Filing timeline
Last 20 of 356 total filings
Material constitutional events — rename, articles re-file, resolution
- 2025-03-25 MA Memorandum articles
- 2025-03-25 RESOLUTIONS Resolution
| Date | Type | Category | Description | |
|---|---|---|---|---|
| 2026-09-10 | AA | accounts | Accounts with accounts type full | |
| 2026-09-09 | AP01 | officers | Appoint person director company with name date | |
| 2026-08-04 | AP03 | officers | Appoint person secretary company with name date | |
| 2026-08-04 | TM02 | officers | Termination secretary company with name termination date | |
| 2026-07-17 | TM01 | officers | Termination director company with name termination date | |
| 2026-06-24 | AP01 | officers | Appoint person director company with name date | |
| 2026-04-16 | SH01 | capital | Capital allotment shares | |
| 2026-04-16 | CS01 | confirmation-statement | Confirmation statement with updates | |
| 2025-12-15 | TM01 | officers | Termination director company with name termination date | |
| 2025-11-21 | SH01 | capital | Capital allotment shares | |
| 2025-09-09 | AA | accounts | Accounts with accounts type full | |
| 2025-04-15 | CS01 | confirmation-statement | Confirmation statement with no updates | |
| 2025-04-08 | TM01 | officers | Termination director company with name termination date | |
| 2025-04-08 | TM01 | officers | Termination director company with name termination date | |
| 2025-03-25 | MA | incorporation | Memorandum articles | |
| 2025-03-25 | RESOLUTIONS | resolution | Resolution | |
| 2024-11-25 | AA | accounts | Accounts with accounts type full | |
| 2024-10-08 | AP01 | officers | Appoint person director company with name date | |
| 2024-07-31 | TM01 | officers | Termination director company with name termination date | |
| 2024-05-05 | RP04SH01 | capital | Second filing capital allotment shares |
Public-record activity
Raw counts from Companies House — last 12–24 months
- Filings
- 10
- Capital events
- 2
- Officers appointed
- 3
- Officers resigned
- 3
last 12 months
last 24 months
last 12 months
last 12 months
Direct counts from the register. No score, no rating — see the Filing timeline for the underlying events.