Aquasium Technology Limited
Registered name: AQUASIUM TECHNOLOGY LIMITED
Aquasium Technology Limited made £15.7m revenue and £2.4m profit in the year to 31 Dec 2025.
Aquasium Technology Limited’s revenue grew 9% to £15.7m in the year to 31 Dec 2025, with £2.4m profit and 87 employees. The company is classified under “manufacture of other special-purpose machinery” and is based in Cambridge; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Cambridge, East of England
- Age
- 25 yrs · since 2001
- 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 Dec 2023 | 31 Dec 2024 | 31 Dec 2025 |
|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L |
| Profit & loss | |||
| Revenue (turnover) | £13.8m | £14.4m | £15.7m |
| Cost of sales | −£7.5m | −£7.1m | −£7.2m |
| Gross profit | £6.4m | £7.3m | £8.5m |
| Operating profit | £1.6m | £2.3m | £2.7m |
| Profit before tax | £1.4m | £2.2m | £2.6m |
| Profit after tax | £1.1m | £1.7m | £2.4m |
| Profit (best available) | £1.1m | £1.7m | £2.4m |
| Employees (average) | 82 | 89 | 87 |
| Ratios | |||
| Profit margin | 7.9% | 11.9% | 15% |
| Gross margin | 46% | 50.5% | 53.9% |
| Revenue per employee | £169k | £162k | £180k |
| Profit per employee | £13.3k | £19.2k | £27k |
| Growth (year on year) | |||
| Revenue growth | — | ▲4.1% | ▲9% |
| Profit growth | — | ▲56.9% | ▲37.4% |
| Headcount growth | — | ▲8.5% | ▼2.3% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Jun 2025 | Accounts · bulk data Jun 2025 | Accounts · bulk data Jun 2026 |
How the business works
- Profit margin
- 15%
- Profit ÷ revenue.
- Gross margin
- 53.9%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £180k
- Revenue ÷ average employees.
- Profit per employee
- £27k
- 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
- ▼2%
- Now 87
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Subsidiaries (2)
- Aquasium LimitedFigures not disclosed
- Cambridge Vacuum Engineering LimitedFigures not disclosed
Minority corporate shareholders
- Foresight VCT PLC 25–50%
From the Persons with Significant Control register (corporate controllers only).
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Sources
Latest figures from accounts for the year to 31 Dec 2025 (profit £2.4m), 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.