Insituform Linings Limited
Registered name: INSITUFORM LININGS LIMITED
Part of Azuria Water Solutions, Inc. groupInsituform Linings Limited made £10.6m revenue and £994k profit in the year to 31 Dec 2024.
Insituform Linings Limited’s revenue grew 2% to £10.6m in the year to 31 Dec 2024, with £994k profit and 29 employees. The company is classified under “other manufacturing” and is based in Wellingborough; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Wellingborough
- Age
- 43 yrs · since 1983
- Type
- Private Limited Company
Key figures
Financial history
| Year to | 31 Dec 2022 | 31 Dec 2023 | 31 Dec 2024 |
|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L |
| Profit & loss | |||
| Revenue (turnover) | £9.1m | £10.3m | £10.6m |
| Cost of sales | −£7.1m | −£7.9m | −£7.7m |
| Gross profit | £2m | £2.4m | £2.9m |
| Operating profit | £939k | £756k | £1.3m |
| Profit before tax | £940k | £771k | £1.3m |
| Profit after tax | £1.1m | £595k | £994k |
| Profit (best available) | £1.1m | £595k | £994k |
| Employees (average) | 29 | 28 | 29 |
| Ratios | |||
| Profit margin | 12.6% | 5.8% | 9.4% |
| Gross margin | 22% | 23.5% | 27% |
| Revenue per employee | £313k | £369k | £365k |
| Profit per employee | £39.3k | £21.2k | £34.3k |
| Growth (year on year) | |||
| Revenue growth | — | ▲13.7% | ▲2.3% |
| Profit growth | — | ▼47.9% | ▲67.2% |
| Headcount growth | — | ▼3.5% | ▲3.6% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Oct 2024 | Accounts · bulk data Oct 2024 | Accounts · bulk data Oct 2025 |
How the business works
- Profit margin
- 9.4%
- Profit ÷ revenue.
- Gross margin
- 27%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £365k
- Revenue ÷ average employees.
- Profit per employee
- £34.3k
- 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
- ▲4%
- Now 29
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Azuria Water Solutions, Inc. (registered outside the UK register)ultimate parent75–100%
- Azuria UK Holdings Limited75–100%
- Insituform Linings Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (2)
- RSM Lining Supplies Global LtdRev. £27m · Profit £1.5m
- Environmental Techniques LimitedRev. £12m · Profit £1.2m
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from accounts for the year to 31 Dec 2024 (profit £994k), from the Companies House accounts bulk data published Oct 2025. Spotted an error? Request a correction.
Updated from Companies House on 22 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.