Sustainable Energy Services (UK) Limited
Registered name: SUSTAINABLE ENERGY SERVICES (UK) LIMITED
Part of Sustainable Investments Limited groupSustainable Energy Services (UK) Limited made £1.3m revenue and £324k profit in the year to 31 Jan 2025. read from filing text
Sustainable Energy Services (UK) Limited’s revenue grew 115% to £1.3m in the year to 31 Jan 2025, with £324k profit and 11 employees. The company is classified under “other business support service activities” and is based in Skelmersdale; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Skelmersdale, North West
- 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 Jan 2023 | 31 Jan 2024 | 31 Jan 2025 |
|---|---|---|---|
| Disclosure | Full P&Lread from filing text | Full P&Lread from filing text | Full P&Lread from filing text |
| Profit & loss | |||
| Revenue (turnover) | £263k | £622k | £1.3m |
| Cost of sales | £63.5k | £0 | — |
| Gross profit | £200k | £622k | — |
| Profit before tax | £100k | £193k | £435k |
| Profit after tax | £81.3k | £146k | £324k |
| Profit (best available) | £81.3k | £146k | £324k |
| Employees (average) | 2 | 5 | 11 |
| Ratios | |||
| Profit margin | 30.9% | 23.5% | 24.1% |
| Gross margin | 75.9% | 100% | — |
| Revenue per employee | £132k | £124k | £122k |
| Profit per employee | £40.7k | £29.2k | £29.4k |
| Growth (year on year) | |||
| Revenue growth | — | ▲136.3% | ▲115.5% |
| Profit growth | — | ▲79.8% | ▲121.5% |
| Headcount growth | — | ▲150% | ▲120% |
| Balance sheet — indirect signals, not revenue | |||
| Cash at bank | £203k | £277k | £369k |
| Net assets | £157k | £253k | £427k |
| Fixed assets | — | £0 | £6.8k |
| Current assets | £209k | £367k | £678k |
| Debtors | £6.4k | £89.3k | £309k |
| Source | FullAccounts · bulk data May 2024 | FullAccounts · bulk data May 2024 | FullAccounts · bulk data Jun 2025 |
How the business works
- Profit margin
- 24.1%
- Profit ÷ revenue.
- Gross margin
- —
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £122k
- Revenue ÷ average employees.
- Profit per employee
- £29.4k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 0.5%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- —
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 23%
- 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
- ▲69%
- Now £427k
- Cash at bank
- ▲33%
- Now £369k
- Headcount
- ▲120%
- Now 11
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now £6.8k
Group structure
Ownership chain
- Sustainable Investments Limitedultimate parent75–100%
- Sustainable Energy Services (UK) Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (2)
- Sustainable Group (UK) LimitedRev. — · Profit £2.4m
- Sustainable Smart Technologies 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 31 Jan 2025 (profit £324k), from the Companies House accounts bulk data published Jun 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.