Denholm Energy Services Limited
Registered name: DENHOLM ENERGY SERVICES LIMITED
Denholm Energy Services Limited made £383m revenue and £35.9m profit in the year to 31 Dec 2025.
Denholm Energy Services Limited’s revenue grew 3% to £383m in the year to 31 Dec 2025, with £35.9m profit and 8,624 employees. The company is classified under “activities of head offices” and is based in London; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 12 yrs · since 2014
- 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.
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
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) | £269m | £372m | £383m |
| Cost of sales | −£206m | −£269m | −£295m |
| Gross profit | £62.6m | £103m | £87.9m |
| Operating profit | £29.9m | £58.7m | £42.7m |
| Profit before tax | £25.6m | £55.5m | £41.6m |
| Profit after tax | £23.1m | £49.3m | £35.9m |
| Profit (best available) | £23.1m | £49.3m | £35.9m |
| Employees (average) | 6,041 | 8,215 | 8,624 |
| Ratios | |||
| Profit margin | 8.6% | 13.3% | 9.4% |
| Gross margin | 23.3% | 27.7% | 22.9% |
| Revenue per employee | £44.5k | £45.3k | £44.5k |
| Profit per employee | £3.8k | £6k | £4.2k |
| Growth (year on year) | |||
| Revenue growth | — | ▲38.5% | ▲3.1% |
| Profit growth | — | ▲113.6% | ▼27.2% |
| Headcount growth | — | ▲36% | ▲5% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Oct 2025 | Accounts · bulk data Oct 2025 | Accounts · bulk data Sep 2026 |
How the business works
- Profit margin
- 9.4%
- Profit ÷ revenue.
- Gross margin
- 22.9%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £44.5k
- Revenue ÷ average employees.
- Profit per employee
- £4.2k
- 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
- ▲5%
- Now 8,624
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Subsidiaries (8)
- Denholm Engineering LimitedFigures not disclosed
- Denholm Environmental Holdings LimitedFigures not disclosed
- Denholm Macnamee LimitedFigures not disclosed
- Denholm Oilfield Services (Kazakhstan) LimitedFigures not disclosed
- Denholm Oilfield Services LimitedFigures not disclosed
- Industrial Air Power LimitedFigures not disclosed
- Petrasco Services LimitedFigures not disclosed
- Relay International Group 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 £35.9m), from the Companies House accounts bulk data published Sep 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.