Cornwall Power (Polmaugan) Limited
Registered name: CORNWALL POWER (POLMAUGAN) LIMITED
Part of Engie S.A. groupCornwall Power (Polmaugan) Limited made £947k revenue and £275k profit in the year to 31 Dec 2025.
Cornwall Power (Polmaugan) Limited’s revenue grew 6% to £947k in the year to 31 Dec 2025, with £275k profit. The company is classified under “production of electricity” and is based in London; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- London
- Age
- 15 yrs · since 2011
- 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) | £1.1m | £896k | £947k |
| Cost of sales | −£522k | −£617k | — |
| Gross profit | £532k | £280k | £514k |
| Operating profit | £532k | £285k | £514k |
| Profit before tax | £495k | £247k | £476k |
| Profit after tax | £350k | £218k | £275k |
| Profit (best available) | £350k | £218k | £275k |
| Employees (average) | — | — | — |
| Ratios | |||
| Profit margin | 33.2% | 24.3% | 29.1% |
| Gross margin | 50.4% | 31.2% | 54.3% |
| Growth (year on year) | |||
| Revenue growth | — | ▼15% | ▲5.6% |
| Profit growth | — | ▼37.8% | ▲26.4% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Sep 2025 | Accounts · bulk data Sep 2025 | Accounts · bulk data Jul 2026 |
How the business works
- Profit margin
- 29.1%
- Profit ÷ revenue.
- Gross margin
- 54.3%
- 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 UK Limited75–100%
- Engie UK Holdings Limited75–100%
- Cornwall Power (Polmaugan) Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (6)
- Lynt Farm Solar LimitedRev. £5.4m · Profit £2.2m
- Countryside Renewables (Forest Heath) LtdRev. £885k · Profit £320k
- Broxburn Energy Storage LimitedFigures not disclosed
- Cathkin Energy Storage LimitedFigures not disclosed
- KS SPV 23 LimitedFigures not disclosed
- MR Rent UK Investment 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 £275k), from the Companies House accounts bulk data published Jul 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.