W B Power Services Limited
Registered name: W B POWER SERVICES LIMITED
Part of Discovery Energy UK Holding Limited groupW B Power Services Limited made £131m revenue and £7.3m profit in the year to 30 Apr 2025.
W B Power Services Limited’s revenue fell 8% to £131m in the year to 30 Apr 2025, with £7.3m profit and 452 employees. The company is classified under “manufacture of engines and turbines, except aircraft, vehicle and cycle engines” and is based in Heanor; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Heanor, East Midlands
- Age
- 39 yrs · since 1987
- Type
- Private Limited Company
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.
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 30 Apr 2022 | 30 Apr 2023 | 30 Apr 2024 | 30 Apr 2025 |
|---|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L | Full P&L |
| Profit & loss | ||||
| Revenue (turnover) | £52.3m | £109m | £143m | £131m |
| Cost of sales | £36.9m | £83.6m | £106m | £87.1m |
| Gross profit | £15.3m | £25.6m | £36.8m | £44.3m |
| Operating profit | £5.7m | £13.3m | £18.6m | £12.8m |
| Profit before tax | £5m | £12.4m | £17.6m | £9.7m |
| Profit after tax | £3.9m | £10m | £13m | £7.3m |
| Profit (best available) | £3.9m | £10m | £13m | £7.3m |
| Staff costs | £8m | £10.4m | £14.7m | £22.8m |
| Employees (average) | 177 | 221 | 308 | 452 |
| Ratios | ||||
| Profit margin | 7.4% | 9.2% | 9.1% | 5.5% |
| Gross margin | 29.3% | 23.4% | 25.8% | 33.7% |
| Revenue per employee | £295k | £494k | £463k | £291k |
| Profit per employee | £21.9k | £45.4k | £42.1k | £16.1k |
| Cash conversion | −157.8% | −223.5% | — | — |
| Growth (year on year) | ||||
| Revenue growth | — | ▲108.9% | ▲30.8% | ▼8% |
| Profit growth | — | ▲159.5% | ▲29.2% | ▼43.8% |
| Headcount growth | — | ▲24.9% | ▲39.4% | ▲46.8% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £7.1m | £20.3m | £6.8m | £2m |
| Net assets | £7.7m | £13.8m | £20.2m | £27.3m |
| Fixed assets | £22.1m | £32.1m | £52.1m | £64.3m |
| Current assets | £27m | £52.2m | £79.9m | £75.2m |
| Debtors | £13.4m | £18.5m | £23.8m | £33.7m |
| Cash from operations | −£8.9m | −£29.8m | — | — |
| Source | Accounts · bulk data Dec 2023 | Accounts · bulk data Dec 2023 | FullAccounts · bulk data Jan 2025 | FullAccounts · bulk data May 2026 |
How the business works
- Profit margin
- 5.5%
- Profit ÷ revenue.
- Gross margin
- 33.7%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £291k
- Revenue ÷ average employees.
- Profit per employee
- £16.1k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 48.9%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- —
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 25.6%
- 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
- ▲35%
- Now £27.3m
- Cash at bank
- ▼71%
- Now £2m
- Headcount
- ▲47%
- Now 452
- Deferred income
- —
- Now —
- Fixed assets
- ▲23%
- Now £64.3m
Group structure
Ownership chain
- Discovery Energy UK Holding Limitedultimate parent75–100%
- Discovery Energy UK Acquisition Limited75–100%
- The Wilmott Group Limited75–100%
- W B Power Services Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (1)
- Wiltech Acoustics LimitedRev. £13m · Profit £1.1m
From the Persons with Significant Control register (corporate controllers only).
Similar profitable businesses
Sources
Latest figures from FullAccounts for the year to 30 Apr 2025 (profit £7.3m), from the Companies House accounts bulk data published May 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.