Halstow Energy Limited
Registered name: HALSTOW ENERGY LIMITED
Part of Engie S.A. groupHalstow Energy Limited made £539k revenue and £45.1k profit in the year to 31 Dec 2024.
Halstow Energy Limited’s revenue was £539k in the year to 31 Dec 2024, with £45.1k profit. The company is classified under “human resources provision and management of human resources functions” and is based in London; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- London
- Age
- 9 yrs · since 2017
- Type
- Private Limited Company
Key figures
Financial history
| Year to | 30 Sep 2022 | 30 Sep 2023 | 31 Dec 2023 | 31 Dec 2024 |
|---|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L | Full P&L |
| Profit & loss | ||||
| Revenue (turnover) | £2.1m | £2.1m | £2.1m | £539k |
| Cost of sales | −£2.1m | −£3.8m | −£3.8m | −£305k |
| Gross profit | −£42.8k | −£1.7m | −£1.7m | £234k |
| Operating profit | −£86.2k | −£1.8m | −£1.8m | −£11.2k |
| Profit before tax | −£86.2k | −£1.8m | −£1.8m | −£11.2k |
| Profit after tax | −£89.3k | −£1.4m | −£1.4m | £45.1k |
| Profit (best available) | −£89.3k | −£1.4m | −£1.4m | £45.1k |
| Employees (average) | 34 | 36 | — | — |
| Ratios | ||||
| Profit margin | −4.3% | −67.4% | −67.4% | 8.4% |
| Gross margin | −2% | −83.5% | −83.5% | 43.4% |
| Revenue per employee | £61.8k | £57.8k | — | — |
| Profit per employee | −£2.6k | −£38.9k | — | — |
| Growth (year on year) | ||||
| Revenue growth | — | ▼1% | — | — |
| Headcount growth | — | ▲5.9% | — | — |
| Balance sheet — indirect signals, not revenue | ||||
| Net assets | — | — | — | — |
| Source | Accounts · bulk data Jul 2024 | Accounts · bulk data Jul 2024 | Accounts · bulk data Aug 2026 | Accounts · bulk data Aug 2026 |
How the business works
- Profit margin
- 8.4%
- Profit ÷ revenue.
- Gross margin
- 43.4%
- 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
- Engie S.A. (registered outside the UK register)ultimate parent75–100%
- Engie Renewable Gases UK Limited75–100%
- Halstow Energy Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (6)
- Sustainable Energy Generation LimitedRev. £13.5m · Profit £1.8m
- Condate Biogas LimitedRev. £9.9m · Profit £1.2m
- Gorst Energy LimitedRev. £8.9m · Profit −£76k
- Deal Farm Biogas LimitedFigures not disclosed
- Lambourne Energy LimitedFigures not disclosed
- Pearmain Energy LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from accounts for the year to 31 Dec 2024 (profit £45.1k), from the Companies House accounts bulk data published Aug 2026. Spotted an error? Request a correction.
Updated from Companies House on 23 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.