Fluence Energy UK Limited
Registered name: FLUENCE ENERGY UK LIMITED
Part of Fluence Energy Inc groupFluence Energy UK Limited made £102m revenue and £10.3m profit in the year to 30 Sep 2025.
Fluence Energy UK Limited’s revenue fell 4% to £102m in the year to 30 Sep 2025, with £10.3m profit. The company is classified under “other engineering activities” and is based in London; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 4 yrs · since 2022
- 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 Sep 2023 | 30 Sep 2024 | 30 Sep 2025 |
|---|---|---|---|
| Disclosure | Full P&Lread from filing text | Full P&L | Full P&L |
| Profit & loss | |||
| Revenue (turnover) | £2.3m | £107m | £102m |
| Cost of sales | £2.3m | £88.7m | −£78.4m |
| Gross profit | £48.7k | £17.9m | £23.5m |
| Operating profit | −£2m | £9.2m | £13.5m |
| Profit before tax | −£2m | £9.2m | £13.6m |
| Profit after tax | −£1.6m | £7.5m | £10.3m |
| Profit (best available) | −£1.6m | £7.5m | £10.3m |
| Staff costs | £3.6m | £9.2m | — |
| Employees (average) | 21 | 63 | — |
| Ratios | |||
| Profit margin | −69.3% | 7.1% | 10.1% |
| Gross margin | 2.1% | 16.8% | 23.1% |
| Revenue per employee | £110k | £1.7m | — |
| Profit per employee | −£76.3k | £119k | — |
| Growth (year on year) | |||
| Revenue growth | — | ▲4504% | ▼4.3% |
| Profit growth | — | — | ▲36.6% |
| Headcount growth | — | ▲200% | — |
| Balance sheet — indirect signals, not revenue | |||
| Cash at bank | £10.5m | £22.8m | — |
| Net assets | −£99.2k | £7.9m | — |
| Fixed assets | £1.4m | £1.3m | — |
| Current assets | £15.2m | £74.9m | — |
| Debtors | £338k | £8.9m | — |
| Deferred income | £12.6m | £3.4m | — |
| Source | FullAccounts · bulk data Oct 2024 | FullAccounts · bulk data Aug 2025 | Accounts · bulk data Jun 2026 |
How the business works
- Profit margin
- 10.1%
- Profit ÷ revenue.
- Gross margin
- 23.1%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- —
- Revenue ÷ average employees.
- Profit per employee
- —
- 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
- —
- Now —
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Fluence Energy Inc (registered outside the UK register)ultimate parent50–75%
- Fluence Energy UK Limitedthis company
Bands show the share of ownership each company holds in the one below it.
From the Persons with Significant Control register (corporate controllers only).
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Sources
Latest figures from accounts for the year to 30 Sep 2025 (profit £10.3m), from the Companies House accounts bulk data published Jun 2026. Spotted an error? Request a correction.
Updated from Companies House on 12 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.