F & S Energy Limited
Registered name: F & S ENERGY LIMITED
Part of F&S Energy (Eot) Limited groupF & S Energy Limited made £57.6m revenue and £6.9m profit in the year to 31 Mar 2025.
F & S Energy Limited’s revenue fell 10% to £57.6m in the year to 31 Mar 2025, with £6.9m profit and 16 employees. The company is classified under “trade of electricity” and is based in Chelmsford; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Chelmsford, East of England
- Age
- 15 yrs · since 2011
- 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 | 31 Mar 2022 | 31 Mar 2023 | 31 Mar 2024 | 31 Mar 2025 |
|---|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L | Full P&L |
| Profit & loss | ||||
| Revenue (turnover) | £38.5m | £68.9m | £63.7m | £57.6m |
| Cost of sales | £33m | £48.3m | £43.3m | £46.7m |
| Gross profit | £5.5m | £20.5m | £20.4m | £10.9m |
| Operating profit | £4.9m | £19.8m | £19.2m | £9.5m |
| Profit before tax | £4.9m | £19.8m | £19.3m | £9.6m |
| Profit after tax | £4m | £16.1m | £14.3m | £6.9m |
| Profit (best available) | £4m | £16.1m | £14.3m | £6.9m |
| Staff costs | £382k | £399k | £575k | £593k |
| Employees (average) | 12 | 11 | 14 | 16 |
| Ratios | ||||
| Profit margin | 10.3% | 23.3% | 22.4% | 12% |
| Gross margin | 14.3% | 29.8% | 32% | 19% |
| Revenue per employee | £3.2m | £6.3m | £4.6m | £3.6m |
| Profit per employee | £330k | £1.5m | £1m | £434k |
| Cash conversion | −157.1% | −115.6% | −98.9% | −209.3% |
| Growth (year on year) | ||||
| Revenue growth | — | ▲79% | ▼7.5% | ▼9.6% |
| Profit growth | — | ▲305.6% | ▼11.2% | ▼51.3% |
| Headcount growth | — | ▼8.3% | ▲27.3% | ▲14.3% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £6.5m | £18m | £11.1m | £21.3m |
| Net assets | £2.8m | £8.5m | £714k | £2.6m |
| Fixed assets | £99.8k | £91.7k | £84.6k | £73.1k |
| Current assets | £14.1m | £30.9m | £22.4m | £33.4m |
| Debtors | £3.3m | £5.6m | £5.6m | £4.8m |
| Cash from operations | −£7.7m | −£22.9m | −£19m | −£20m |
| Source | FullAccounts · bulk data Dec 2023 | FullAccounts · bulk data Dec 2023 | FullAccounts · bulk data Dec 2024 | FullAccounts · bulk data Dec 2025 |
How the business works
- Profit margin
- 12%
- Profit ÷ revenue.
- Gross margin
- 19%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £3.6m
- Revenue ÷ average employees.
- Profit per employee
- £434k
- Profit ÷ average employees.
- Cash conversion
- −209.3%
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 0.1%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- —
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 8.4%
- 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
- ▲259%
- Now £2.6m
- Cash at bank
- ▲92%
- Now £21.3m
- Headcount
- ▲14%
- Now 16
- Deferred income
- —
- Now —
- Fixed assets
- ▼14%
- Now £73.1k
Group structure
Ownership chain
- F&S Energy (Eot) Limitedultimate parent75–100%
- F & S Energy Asset Holdings Limited75–100%
- F & S Energy 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).
Similar profitable businesses
- Tru Energy LimitedLondon · Trade of electricity
- Revenue
- £58.7m
- Profit
- £3.2m
- Staff
- 21
- E E Solutions LimitedLeeds · Trade of electricity
- Revenue
- £73.6m
- Profit
- £1.7m
- Staff
- 72
- Love Business Group LimitedBolton · Trade of electricity
- Revenue
- £37.9m
- Profit
- £6.5m
- Staff
- 282
- Crown Gas and Power 2 LimitedBury · Trade of electricity
- Revenue
- £105m
- Profit
- £8.3m
- Staff
- 25
- Huddle Utilities LtdLondon · Trade of electricity
- Revenue
- £27m
- Profit
- £1.1m
- Staff
- 71
- United Gas & Power LtdLeeds · Trade of electricity
- Revenue
- £125m
- Profit
- £12.9m
- Staff
- 94
Sources
Latest figures from FullAccounts for the year to 31 Mar 2025 (profit £6.9m), from the Companies House accounts bulk data published Dec 2025. 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.