Sembcorp Utilities (UK) Limited
Registered name: SEMBCORP UTILITIES (UK) LIMITED
Part of Sembcorp Energy UK Limited groupSembcorp Utilities (UK) Limited made £194m revenue and £20.5m profit in the year to 31 Dec 2025.
Sembcorp Utilities (UK) Limited’s revenue fell 15% to £194m in the year to 31 Dec 2025, with £20.5m profit and 393 employees. The company is classified under “other manufacturing” and is based in Middlesbrough; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Middlesbrough
- Age
- 23 yrs · since 2003
- Type
- Private Limited Company
Key figures
Financial history
| Year to | 31 Dec 2023 | 31 Dec 2024 | 31 Dec 2025 |
|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L |
| Profit & loss | |||
| Revenue (turnover) | £323m | £229m | £194m |
| Cost of sales | −£282m | −£192m | −£174m |
| Gross profit | £41.2m | £37.4m | £19.7m |
| Operating profit | £32.3m | £33.7m | £26.3m |
| Profit before tax | £33.1m | £34.8m | £27.7m |
| Profit after tax | £25.1m | £26.5m | £20.5m |
| Profit (best available) | £25.1m | £26.5m | £20.5m |
| Employees (average) | 453 | 473 | 393 |
| Ratios | |||
| Profit margin | 7.8% | 11.6% | 10.5% |
| Gross margin | 12.8% | 16.3% | 10.2% |
| Revenue per employee | £713k | £485k | £494k |
| Profit per employee | £55.4k | £56k | £52.1k |
| Growth (year on year) | |||
| Revenue growth | — | ▼29% | ▼15.4% |
| Profit growth | — | ▲5.7% | ▼22.7% |
| Headcount growth | — | ▲4.4% | ▼16.9% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Sep 2025 | Accounts · bulk data Sep 2025 | Accounts · bulk data Sep 2026 |
How the business works
- Profit margin
- 10.5%
- Profit ÷ revenue.
- Gross margin
- 10.2%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £494k
- Revenue ÷ average employees.
- Profit per employee
- £52.1k
- 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
- ▼17%
- Now 393
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Sembcorp Energy UK Limitedultimate parent75–100%
- Sembcorp Utilities (UK) Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (2)
- Wilton Energy LimitedRev. £9.9m · Profit £64k
- Sembcorp (Wilton Bess) LimitedFigures not disclosed
Sister companies (1)
- Repono Holdco 1 LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from accounts for the year to 31 Dec 2025 (profit £20.5m), from the Companies House accounts bulk data published Sep 2026. Spotted an error? Request a correction.
Updated from Companies House on 22 Oct 2026
Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.