Thames Water Investments Limited
Registered name: THAMES WATER INVESTMENTS LIMITED
Part of Kemble Water Holdings Limited groupThames Water Investments Limited made £64.3k revenue and £34.3k profit in the year to 30 Sep 2025. read from filing text
Thames Water Investments Limited’s revenue was £64.3k in the year to 30 Sep 2025, with £34.3k profit and 0 employees. The company is classified under “development of building projects” and is based in Reading; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Reading, South East
- Age
- 35 yrs · since 1990
- 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. From the filing: “The immediate parent Company is Thames Water Limited, a Company”
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Mar 2023 | 30 Sep 2024 | 30 Sep 2025 |
|---|---|---|---|
| Disclosure | Full P&Lread from filing text | Full P&Lread from filing text | Full P&Lread from filing text |
| Profit & loss | |||
| Revenue (turnover) | £54.7k | £92.3k | £64.3k |
| Operating profit | £0 | £22.2k | £36k |
| Profit before tax | £443k | −£13.5m | £36.2k |
| Profit after tax | £358k | −£13.5m | £34.3k |
| Profit (best available) | £358k | −£13.5m | £34.3k |
| Employees (average) | 0 | 0 | 0 |
| Ratios | |||
| Profit margin | 655% | −14626% | 53.4% |
| Balance sheet — indirect signals, not revenue | |||
| Cash at bank | £1.8m | £941k | £941k |
| Net assets | £14.3m | £840k | £875k |
| Current assets | £15.3m | £966k | £1.1m |
| Debtors | £13.5m | £0 | £78.9k |
| Source | FullAccounts · bulk data May 2026 | FullAccounts · bulk data May 2026 | FullAccounts · bulk data Sep 2026 |
How the business works
- Profit margin
- 53.4%
- 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
- 122.8%
- 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 £875k
- Cash at bank
- —
- Now £941k
- Headcount
- —
- Now 0
- 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 Investments Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (5)
- Thames Water Utilities Holdings LimitedRev. £3.8bn · Profit −£78.4m
- Thames Water Property Services LimitedRev. £117k · Profit −£12.5k
- 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).
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Sources
Latest figures from FullAccounts for the year to 30 Sep 2025 (profit £34.3k), from the Companies House accounts bulk data published Sep 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.