Thames Water Utilities Holdings Limited
Registered name: THAMES WATER UTILITIES HOLDINGS LIMITED
Part of Kemble Water Holdings Limited groupThames Water Utilities Holdings Limited made £3.8bn revenue and a £78.4m loss in the year to 31 Mar 2026.
Thames Water Utilities Holdings Limited’s revenue grew 37% to £3.8bn in the year to 31 Mar 2026, with a loss of £78.4m. The company is classified under “activities of other holding companies” and is based in Reading; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Reading, South East
- Age
- 19 yrs · since 2007
- Type
- Private Limited Company
Pass-through vehicle. This looks like a holding, staffing or umbrella company. Its revenue and profit may largely pass through to or from other entities, so the figures may not reflect a standalone operating business. It is excluded from our opportunity lists.
Part of a group. The filing indicates this company sits within a group structure, so its results may depend on intra-group trading and it may be hard to replicate independently.
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Mar 2024 | 31 Mar 2025 | 31 Mar 2026 |
|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L |
| Profit & loss | |||
| Revenue (turnover) | £2.5bn | £2.7bn | £3.8bn |
| Operating profit | £517m | £471m | £1.4bn |
| Profit before tax | −£10m | −£662m | £10.8m |
| Profit after tax | −£95.2m | −£437m | −£78.4m |
| Profit (best available) | −£95.2m | −£437m | −£78.4m |
| Employees (average) | 7,934 | 7,824 | — |
| Ratios | |||
| Profit margin | −3.8% | −15.9% | −2.1% |
| Revenue per employee | £317k | £350k | — |
| Profit per employee | −£12k | −£55.8k | — |
| Growth (year on year) | |||
| Revenue growth | — | ▲8.7% | ▲37.2% |
| Headcount growth | — | ▼1.4% | — |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Sep 2025 | Accounts · bulk data Sep 2025 | Accounts · bulk data Aug 2026 |
How the business works
- Profit margin
- −2.1%
- Profit ÷ revenue.
- Gross margin
- —
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- —
- Revenue ÷ average employees.
- Profit per employee
- —
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- —
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- —
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- —
- Money owed by customers. Low = customers pay quickly.
Balance-sheet signals
Year-on-year changes in filed balance-sheet items. They can hint at momentum (or investment) but are not revenue or profit and must not be read as such.
- Net assets
- —
- Now —
- Cash at bank
- —
- Now —
- Headcount
- —
- Now —
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Kemble Water Holdings Limitedultimate parent75–100%
- Kemble Water Eurobond PLC75–100%
- Kemble Water Finance Limited75–100%
- Thames Water Limited75–100%
- Thames Water Utilities Holdings Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (1)
- Thames Water Utilities LimitedRev. £2.7bn · Profit −£1.8bn
Sister companies (5)
- Thames Water Property Services LimitedRev. £117k · Profit −£12.5k
- Thames Water Investments LimitedRev. £64.3k · Profit £34.3k
- Innova Park Management Company LimitedRev. £42.9k · Profit £28.4k
- Kennet Properties LimitedRev. — · Profit £419
- Thames Water Products LimitedLiquidationFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from accounts for the year to 31 Mar 2026 (profit −£78.4m), from the Companies House accounts bulk data published Aug 2026. Spotted an error? Request a correction.
Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.