Sustainable Building Services (UK) Limited
Registered name: SUSTAINABLE BUILDING SERVICES (UK) LIMITED
Part of Sustainable Investments Limited groupSustainable Building Services (UK) Limited made £65.1m revenue and £6.4m profit in the year to 31 Jan 2025. read from filing text
Sustainable Building Services (UK) Limited’s revenue grew 48% to £65.1m in the year to 31 Jan 2025, with £6.4m profit and 100 employees. The company is classified under “other construction installation” and is based in Skelmersdale; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Skelmersdale, North West
- Age
- 48 yrs · since 1978
- 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. From the filing: “The”
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) | £26.6m | £43.9m | £65.1m |
| Cost of sales | £21.4m | £35m | £52.1m |
| Gross profit | £5.3m | £8.9m | £13.1m |
| Operating profit | £2.5m | £5.3m | £8.2m |
| Profit before tax | £2.5m | £5.4m | £8.5m |
| Profit after tax | £2.1m | £4.1m | £6.4m |
| Profit (best available) | £2.1m | £4.1m | £6.4m |
| Staff costs | £2.3m | £3.1m | £4.9m |
| Employees (average) | 49 | 64 | 100 |
| Ratios | |||
| Profit margin | 7.7% | 9.3% | 9.8% |
| Gross margin | 19.8% | 20.4% | 20% |
| Revenue per employee | £544k | £686k | £651k |
| Profit per employee | £41.9k | £64.1k | £63.6k |
| Cash conversion | — | −143.5% | −122% |
| Growth (year on year) | |||
| Revenue growth | — | ▲64.8% | ▲48.3% |
| Profit growth | — | ▲99.7% | ▲55.1% |
| Headcount growth | — | ▲30.6% | ▲56.3% |
| Balance sheet — indirect signals, not revenue | |||
| Cash at bank | £5.4m | £11.3m | £16.8m |
| Net assets | £3.8m | £6.9m | £10.8m |
| Fixed assets | £168k | £248k | £265k |
| Current assets | £9.7m | £18.6m | £26.3m |
| Debtors | £2m | £4.5m | £5.1m |
| Deferred income | £2.2m | £3.8m | £7.1m |
| Cash from operations | — | −£7.6m | −£10m |
| Source | FullAccounts · bulk data May 2024 | FullAccounts · bulk data May 2024 | FullAccounts · bulk data Jun 2025 |
How the business works
- Profit margin
- 9.8%
- Profit ÷ revenue.
- Gross margin
- 20%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £651k
- Revenue ÷ average employees.
- Profit per employee
- £63.6k
- Profit ÷ average employees.
- Cash conversion
- −122%
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 0.4%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 10.9%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 7.9%
- 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
- ▲58%
- Now £10.8m
- Cash at bank
- ▲50%
- Now £16.8m
- Headcount
- ▲56%
- Now 100
- Deferred income
- ▲85%
- Now £7.1m
- Fixed assets
- ▲7%
- Now £265k
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
- Sustainable Investments Limitedultimate parent75–100%
- Sustainable Group (UK) Limited75–100%
- Sustainable Building Services (UK) Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (1)
- Sustainable Building Services (Southern) LimitedFigures 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 £6.4m), 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.