Uninterruptible Power Supplies Limited
Registered name: UNINTERRUPTIBLE POWER SUPPLIES LIMITED
Part of Discovery Energy UK Holding Limited groupUninterruptible Power Supplies Limited made £29.7m revenue and £2.6m profit in the year to 31 Dec 2023.
Uninterruptible Power Supplies Limited’s revenue grew 3% to £29.7m in the year to 31 Dec 2023, with £2.6m profit and 112 employees. The company is classified under “activities of head offices” and is based in Hook; we hold 2 years of its filed accounts.
- Status
- Active
- Location
- Hook
- Age
- 21 yrs · since 2005
- Type
- Private Limited Company
Key figures
Financial history
| Year to | 31 Dec 2022 | 31 Dec 2023 |
|---|---|---|
| Disclosure | Full P&L | Full P&L |
| Profit & loss | ||
| Revenue (turnover) | £28.8m | £29.7m |
| Cost of sales | −£13.3m | −£13m |
| Gross profit | £15.5m | £16.7m |
| Operating profit | £4.5m | £3.5m |
| Profit before tax | £4.5m | £3.7m |
| Profit after tax | £3.5m | £2.6m |
| Profit (best available) | £3.5m | £2.6m |
| Employees (average) | 103 | 112 |
| Ratios | ||
| Profit margin | 12.3% | 8.9% |
| Gross margin | 53.8% | 56.4% |
| Revenue per employee | £279k | £265k |
| Profit per employee | £34.3k | £23.5k |
| Growth (year on year) | ||
| Revenue growth | — | ▲3.3% |
| Profit growth | — | ▼25.3% |
| Headcount growth | — | ▲8.7% |
| Balance sheet — indirect signals, not revenue | ||
| Net assets | — | — |
| Source | Accounts · bulk data Oct 2024 | Accounts · bulk data Oct 2024 |
How the business works
- Profit margin
- 8.9%
- Profit ÷ revenue.
- Gross margin
- 56.4%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £265k
- Revenue ÷ average employees.
- Profit per employee
- £23.5k
- 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
- ▲9%
- Now 112
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Discovery Energy UK Holding Limitedultimate parent75–100%
- Discovery Energy UK Acquisition Limited75–100%
- Uninterruptible Power Supplies Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (1)
- Rehlko Uninterruptible Power LtdFigures not disclosed
Sister companies (5)
- KK Daytona Holding LtdFigures not disclosed
- Lombardini (UK) LimitedFigures not disclosed
- Powerwave Energy LimitedFigures not disclosed
- Sdmo Energy LimitedFigures not disclosed
- The Wilmott Group LimitedRev. — · Profit £162k
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from accounts for the year to 31 Dec 2023 (profit £2.6m), from the Companies House accounts bulk data published Oct 2024. Spotted an error? Request a correction.
Updated from Companies House on 24 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.