Scientific Electro Systems Limited
Registered name: SCIENTIFIC ELECTRO SYSTEMS LIMITED
Scientific Electro Systems Limited made £447k revenue and £151k profit in the year to 30 Apr 2025. read from filing text
Scientific Electro Systems Limited’s revenue grew 56% to £447k in the year to 30 Apr 2025, with £151k profit and 5 employees. The company is classified under “technical testing and analysis” and is based in Rochford; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Rochford, East of England
- Age
- 39 yrs · since 1986
- 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 | 30 Apr 2022 | 30 Apr 2023 | 30 Apr 2024 | 30 Apr 2025 |
|---|---|---|---|---|
| Disclosure | No P&L | No P&L | Full P&Lread from filing text | Full P&Lread from filing text |
| Profit & loss | ||||
| Revenue (turnover) | — | — | £287k | £447k |
| Cost of sales | — | — | £97.5k | £79.7k |
| Gross profit | — | — | £189k | £367k |
| Operating profit | — | — | £73.8k | £210k |
| Profit before tax | — | — | £69.8k | £205k |
| Profit after tax | — | — | £55k | £151k |
| Profit (best available) | — | — | £55k | £151k |
| Employees (average) | 5 | 5 | 5 | 5 |
| Ratios | ||||
| Profit margin | — | — | 19.2% | 33.9% |
| Gross margin | — | — | 66% | 82.2% |
| Revenue per employee | — | — | £57.4k | £89.3k |
| Profit per employee | — | — | £11k | £30.3k |
| Growth (year on year) | ||||
| Revenue growth | — | — | — | ▲55.6% |
| Profit growth | — | — | — | ▲175.1% |
| Headcount growth | — | 0% | 0% | 0% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £100k | £1.2k | £1.2k | £1.3k |
| Net assets | £112k | £47.9k | £15.9k | £17.3k |
| Fixed assets | £1.2k | £423 | £0 | — |
| Current assets | £356k | £290k | £237k | £282k |
| Debtors | £29.3k | £32.1k | £27k | £54.9k |
| Source | Accounts · bulk data Feb 2024 | Accounts · bulk data Feb 2024 | FullAccounts · bulk data Jan 2025 | FullAccounts · bulk data Jun 2026 |
How the business works
- Profit margin
- 33.9%
- Profit ÷ revenue.
- Gross margin
- 82.2%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £89.3k
- Revenue ÷ average employees.
- Profit per employee
- £30.3k
- 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
- 12.3%
- 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
- ▲9%
- Now £17.3k
- Cash at bank
- ▲3%
- Now £1.3k
- Headcount
- 0%
- Now 5
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
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Sources
Latest figures from FullAccounts for the year to 30 Apr 2025 (profit £151k), from the Companies House accounts bulk data published Jun 2026. Spotted an error? Request a correction.
Updated from Companies House on 16 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.