Sep (Site Engineering Personnel) Limited
Registered name: SEP (SITE ENGINEERING PERSONNEL) LIMITED
Part of Three Shapes Management Limited groupSep (Site Engineering Personnel) Limited made £9.6m revenue and £430k profit in the year to 31 Oct 2025. read from filing text
Sep (Site Engineering Personnel) Limited’s revenue grew 8% to £9.6m in the year to 31 Oct 2025, with £430k profit and 42 employees. The company is classified under “other engineering activities” and is based in Ormskirk; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Ormskirk, North West
- Age
- 40 yrs · since 1986
- 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 company is a subsidiary undertaking of Three Shapes Management Limited, a company”
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Oct 2022 | 31 Oct 2023 | 31 Oct 2024 | 31 Oct 2025 |
|---|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L | Full P&Lread from filing text |
| Profit & loss | ||||
| Revenue (turnover) | £14.3m | £15m | £8.9m | £9.6m |
| Cost of sales | £11.3m | £11.1m | £5.2m | £5.8m |
| Gross profit | £3m | £3.9m | £3.7m | £3.7m |
| Operating profit | £1.3m | £1.4m | £1.4m | £989k |
| Profit before tax | £992k | £1m | £996k | £573k |
| Profit after tax | £801k | £873k | £783k | £430k |
| Profit (best available) | £801k | £873k | £783k | £430k |
| Staff costs | £2.4m | £2.7m | £1.4m | £1.6m |
| Employees (average) | 58 | 64 | 40 | 42 |
| Ratios | ||||
| Profit margin | 5.6% | 5.8% | 8.8% | 4.5% |
| Gross margin | 21.1% | 25.8% | 41.8% | 38.8% |
| Revenue per employee | £247k | £234k | £222k | £227k |
| Profit per employee | £13.8k | £13.6k | £19.6k | £10.2k |
| Growth (year on year) | ||||
| Revenue growth | — | ▲4.5% | ▼40.7% | ▲7.6% |
| Profit growth | — | ▲9.1% | ▼10.3% | ▼45.1% |
| Headcount growth | — | ▲10.3% | ▼37.5% | ▲5% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £171k | £161k | £535k | £553k |
| Net assets | £3.3m | £3.8m | £4.5m | £4.9m |
| Fixed assets | £5.3m | £6m | £6.5m | £6.6m |
| Current assets | £5.6m | £5.2m | £5.5m | £5.3m |
| Debtors | £3.3m | £2.8m | £2.2m | £2.1m |
| Deferred income | — | — | £143k | £174k |
| Source | FullAccounts · bulk data May 2024 | FullAccounts · bulk data May 2024 | FullAccounts · bulk data Jul 2025 | FullAccounts · bulk data Jun 2026 |
How the business works
- Profit margin
- 4.5%
- Profit ÷ revenue.
- Gross margin
- 38.8%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £227k
- Revenue ÷ average employees.
- Profit per employee
- £10.2k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 68.9%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 1.8%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 22.3%
- 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
- ▲10%
- Now £4.9m
- Cash at bank
- ▲3%
- Now £553k
- Headcount
- ▲5%
- Now 42
- Deferred income
- ▲22%
- Now £174k
- Fixed assets
- ▲2%
- Now £6.6m
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
- Three Shapes Management Limitedultimate parent75–100%
- Sep (Site Engineering Personnel) Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (7)
- Sep Engineers LimitedFigures not disclosed
- Sep Geospatial LimitedFigures not disclosed
- Sep Technical LimitedFigures not disclosed
- Site Pro Group LimitedFigures not disclosed
- Site Pro Survey LimitedFigures not disclosed
- Subsurface Measurement Technology LtdFigures not disclosed
- Survey Accessories 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 Oct 2025 (profit £430k), from the Companies House accounts bulk data published Jun 2026. 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.