Zennor Engine Development Company Ltd
Registered name: ZENNOR ENGINE DEVELOPMENT COMPANY LTD
Zennor Engine Development Company Ltd made £0 revenue and a £872 loss in the year to 31 Mar 2025.
Zennor Engine Development Company Ltd’s revenue fell 100% to £0 in the year to 31 Mar 2025, with a loss of £872 and 1 employee. The company is classified under “other research and experimental development on natural sciences and engineering” and is based in Penzance; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Penzance, South West
- Age
- 13 yrs · since 2013
- Type
- Private Limited Company
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Mar 2022 | 31 Mar 2023 | 31 Mar 2024 | 31 Mar 2025 |
|---|---|---|---|---|
| Disclosure | No P&L | Full P&L | Full P&L | Full P&L |
| Profit & loss | ||||
| Revenue (turnover) | — | £0 | £11k | £0 |
| Cost of sales | — | £0 | £0 | — |
| Gross profit | — | £0 | £11k | — |
| Operating profit | — | −£69 | £807 | — |
| Profit before tax | — | −£69 | £807 | — |
| Profit after tax | — | −£69 | £807 | −£872 |
| Profit (best available) | — | −£69 | £807 | −£872 |
| Staff costs | — | — | £6.7k | £400 |
| Employees (average) | — | 0 | 3 | 1 |
| Ratios | ||||
| Profit margin | — | — | 7.3% | — |
| Gross margin | — | — | 100% | — |
| Revenue per employee | — | — | £3.7k | £0 |
| Profit per employee | — | — | £269 | −£872 |
| Growth (year on year) | ||||
| Revenue growth | — | — | — | ▼100% |
| Profit growth | — | — | — | ▼208% |
| Headcount growth | — | — | — | ▼66.7% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | — | £247 | £1.3k | — |
| Net assets | £2.8k | £354 | £1.4k | £83 |
| Fixed assets | £0 | £0 | £0 | £0 |
| Current assets | £2.7k | £254 | £1.3k | £83 |
| Source | FullAccounts · bulk data Dec 2023 | FullAccounts · bulk data Dec 2023 | FullAccounts · bulk data Dec 2024 | FullAccounts · bulk data Dec 2025 |
How the business works
- Profit margin
- —
- Profit ÷ revenue.
- Gross margin
- —
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £0
- Revenue ÷ average employees.
- Profit per employee
- −£872
- 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
- ▼94%
- Now £83
- Cash at bank
- —
- Now —
- Headcount
- ▼67%
- Now 1
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now £0
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Sources
Latest figures from FullAccounts for the year to 31 Mar 2025 (profit −£872), from the Companies House accounts bulk data published Dec 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.