Doble Powertest Limited
Registered name: DOBLE POWERTEST LIMITED
Part of Esco Technologies Inc groupDoble Powertest Limited made £1.3m profit in the year to 30 Sep 2025 (revenue not disclosed).
Doble Powertest Limited reported £1.3m profit in the year to 30 Sep 2025, up 19% on the year before; its revenue was not disclosed. It had 33 employees. The company is classified under “technical testing and analysis” and is based in London; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 24 yrs · since 2002
- 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
This company published its profit but not its turnover, so revenue and margins are not disclosed. We never estimate them.
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 30 Sep 2022 | 30 Sep 2023 | 30 Sep 2024 | 30 Sep 2025 |
|---|---|---|---|---|
| Disclosure | No P&L | Profit only | Profit only | Profit only |
| Profit & loss | ||||
| Revenue (turnover) | — | — | — | — |
| Profit after tax | — | −£206k | £1m | £1.3m |
| Profit (best available) | — | −£206k | £1m | £1.3m |
| Employees (average) | 27 | 28 | 29 | 33 |
| Ratios | ||||
| Profit margin | — | — | — | — |
| Profit per employee | — | −£7.3k | £36.1k | £37.9k |
| Growth (year on year) | ||||
| Profit growth | — | — | — | ▲19.4% |
| Headcount growth | — | ▲3.7% | ▲3.6% | ▲13.8% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £1.5m | £1.2m | £1.9m | £2.1m |
| Net assets | £2.4m | £2.2m | £3.2m | £3.4m |
| Fixed assets | £61.3k | £329k | £676k | £625k |
| Current assets | £3.2m | £3m | £4.2m | £5m |
| Debtors | £649k | £854k | £1.5m | £1.4m |
| Deferred income | — | £640k | £731k | £634k |
| Source | FullAccounts · bulk data Jul 2024 | FullAccounts · bulk data Jul 2024 | FullAccounts · bulk data Jun 2025 | FullAccounts · bulk data May 2026 |
How the business works
- Profit margin
- —
- Profit ÷ revenue.
- Gross margin
- —
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- —
- Revenue ÷ average employees.
- Profit per employee
- £37.9k
- 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
- ▲5%
- Now £3.4m
- Cash at bank
- ▲13%
- Now £2.1m
- Headcount
- ▲14%
- Now 33
- Deferred income
- ▼13%
- Now £634k
- Fixed assets
- ▼8%
- Now £625k
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
- Esco Technologies Inc (registered outside the UK register)ultimate parent75–100%
- Esco UK Global Holdings Ltd75–100%
- Doble Powertest Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (3)
- Mpe LimitedRev. £11.6m · Profit £3.1m
- Esco Maritime Solutions Ltd.Figures not disclosed
- Esco UK Holding Company I LtdFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
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Sources
Latest figures from FullAccounts for the year to 30 Sep 2025 (profit £1.3m), 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.