Darchem Engineering Limited
Registered name: DARCHEM ENGINEERING LIMITED
Part of Ta MFG Limited groupDarchem Engineering Limited made £95.7m revenue and a £17.9m loss in the year to 30 Sep 2025.
Darchem Engineering Limited’s revenue grew 3% to £95.7m in the year to 30 Sep 2025, with a loss of £17.9m and 660 employees. The company is classified under “manufacture of metal structures and parts of structures” and is based in Edinburgh; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Edinburgh
- Age
- 33 yrs · since 1993
- Type
- Private Limited Company
Key figures
Financial history
| Year to | 30 Sep 2023 | 30 Sep 2024 | 30 Sep 2025 |
|---|---|---|---|
| Disclosure | Profit & loss | Profit & loss | Profit & loss |
| Profit & loss | |||
| Revenue (turnover) | £122m | £93m | £95.7m |
| Cost of sales | −£104m | −£115m | −£92.1m |
| Gross profit | £17.4m | −£21.5m | £3.6m |
| Operating profit | £525k | −£39.7m | −£17.2m |
| Profit before tax | £852k | −£38.8m | −£17.9m |
| Profit after tax | £664k | −£38.6m | −£17.9m |
| Profit (best available) | £664k | −£38.6m | −£17.9m |
| Employees (average) | 754 | 775 | 660 |
| Ratios | |||
| Profit margin | 0.5% | −41.5% | −18.7% |
| Gross margin | 14.3% | −23.1% | 3.8% |
| Revenue per employee | £161k | £120k | £145k |
| Profit per employee | £881 | −£49.8k | −£27.1k |
| Growth (year on year) | |||
| Revenue growth | — | ▼23.4% | ▲2.8% |
| Profit growth | — | ▼5918% | — |
| Headcount growth | — | ▲2.8% | ▼14.8% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Dec 2025 | Accounts · bulk data Dec 2025 | Accounts · bulk data Oct 2026 |
How the business works
- Profit margin
- −18.7%
- Profit ÷ revenue.
- Gross margin
- 3.8%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £145k
- Revenue ÷ average employees.
- Profit per employee
- −£27.1k
- 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
- ▼15%
- Now 660
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Ta MFG Limitedultimate parent75–100%
- Esterline Technologies Unlimited75–100%
- Esterline Technologies Europe Limited75–100%
- Weston Aerospace Limited75–100%
- Transdigm Microwave Limited75–100%
- Darchem Holdings Limited75–100%
- Darchem Engineering 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).
Sources
Latest figures from accounts for the year to 30 Sep 2025 (profit −£17.9m), from the Companies House accounts bulk data published Oct 2026. Spotted an error? Request a correction.
Updated from Companies House on 20 Oct 2026