Brockwell Energy Group Limited
Registered name: BROCKWELL ENERGY GROUP LIMITED
Part of Lantern Holdco Limited groupBrockwell Energy Group Limited made £4m revenue and a £611k loss in the year to 31 Mar 2025.
Brockwell Energy Group Limited’s revenue fell 15% to £4m in the year to 31 Mar 2025, with a loss of £611k and 29 employees. The company is classified under “activities of production holding companies” and is based in London; we hold 2 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 8 yrs · since 2018
- 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: “Brockwell Holdings Limited”
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 |
|---|---|---|
| Disclosure | Full P&L | Full P&L |
| Profit & loss | ||
| Revenue (turnover) | £4.8m | £4m |
| Cost of sales | £2.1m | £3m |
| Gross profit | £2.6m | £978k |
| Operating profit | −£1.4m | −£4.3m |
| Profit before tax | −£3.2m | −£12.3m |
| Profit after tax | −£407k | −£611k |
| Profit (best available) | −£407k | −£611k |
| Employees (average) | 37 | 29 |
| Ratios | ||
| Profit margin | −8.6% | −15.2% |
| Gross margin | 55.6% | 24.3% |
| Revenue per employee | £128k | £139k |
| Profit per employee | −£11k | −£21.1k |
| Growth (year on year) | ||
| Revenue growth | — | ▼15.3% |
| Headcount growth | — | ▼21.6% |
| Balance sheet — indirect signals, not revenue | ||
| Cash at bank | £89k | £85k |
| Net assets | −£3.8m | −£4.4m |
| Fixed assets | £184m | £278m |
| Debtors | £0 | £0 |
| Deferred income | £24k | £38k |
| Cash from operations | £6.8m | −£283k |
| Source | FullAccounts · bulk data Apr 2026 | FullAccounts · bulk data Apr 2026 |
How the business works
- Profit margin
- −15.2%
- Profit ÷ revenue.
- Gross margin
- 24.3%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £139k
- Revenue ÷ average employees.
- Profit per employee
- −£21.1k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 6902%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 0.9%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 0%
- 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 −£4.4m
- Cash at bank
- ▼4%
- Now £85k
- Headcount
- ▼22%
- Now 29
- Deferred income
- ▲58%
- Now £38k
- Fixed assets
- ▲51%
- Now £278m
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
Group structure
Ownership chain
- Lantern Holdco Limitedultimate parent75–100%
- Brockwell Holdings Limited75–100%
- Brockwell Energy Group Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (1)
- Brockwell Energy LimitedRev. £3.6m · Profit −£5.2m
Sister companies (1)
- Brockwell Energy Group (2) LimitedRev. — · Profit −£19k
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from FullAccounts for the year to 31 Mar 2025 (profit −£611k), from the Companies House accounts bulk data published Apr 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.