Biosite Systems Limited
Registered name: BIOSITE SYSTEMS LIMITED
Part of Assa Abloy Ab groupBiosite Systems Limited made £17.6m revenue and £1.2m profit in the year to 31 Dec 2025.
Biosite Systems Limited’s revenue grew 6% to £17.6m in the year to 31 Dec 2025, with £1.2m profit and 154 employees. The company is classified under “manufacture of communication equipment other than telegraph, and telephone apparatus and equipment” and is based in Solihull; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Solihull, West Midlands
- Age
- 16 yrs · since 2010
- Type
- Private Limited Company
Part of a group. The filing indicates this company sits within a group structure, so its results may depend on intra-group trading and it may be hard to replicate independently.
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Dec 2022 | 31 Dec 2023 | 31 Dec 2024 | 31 Dec 2025 |
|---|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L | Full P&L |
| Profit & loss | ||||
| Revenue (turnover) | £23.2m | £15.9m | £16.6m | £17.6m |
| Cost of sales | £7.3m | £5.1m | £4.7m | £4.4m |
| Gross profit | £15.9m | £10.8m | £11.9m | £13.2m |
| Operating profit | £3m | −£575k | £494k | £790k |
| Profit before tax | £3m | −£600k | £497k | £1.2m |
| Profit after tax | £2.6m | −£794k | £259k | £1.2m |
| Profit (best available) | £2.6m | −£794k | £259k | £1.2m |
| Staff costs | £9.7m | £9.2m | £8.6m | £8.7m |
| Employees (average) | 168 | 177 | 168 | 154 |
| Ratios | ||||
| Profit margin | 11.2% | −5% | 1.6% | 6.9% |
| Gross margin | 68.7% | 67.8% | 71.8% | 74.9% |
| Revenue per employee | £138k | £89.7k | £99.1k | £114k |
| Profit per employee | £15.4k | −£4.5k | £1.5k | £7.9k |
| Growth (year on year) | ||||
| Revenue growth | — | — | ▲4.8% | ▲5.9% |
| Profit growth | — | — | — | ▲367.9% |
| Headcount growth | — | — | ▼5.1% | ▼8.3% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £0 | £191k | £606k | £2.4m |
| Net assets | £6.7m | £5.9m | £6.1m | £7.4m |
| Fixed assets | £675k | £583k | £1.1m | £666k |
| Current assets | £10.6m | £9.1m | £8.7m | £10.6m |
| Debtors | £5.3m | £5.5m | £5.4m | £5.2m |
| Deferred income | £1.3m | £2.3m | £2.2m | £3.2m |
| Source | Accounts · bulk data Jul 2024 | Accounts · bulk data Jul 2024 | FullAccounts · bulk data Sep 2026 | FullAccounts · bulk data Sep 2026 |
How the business works
- Profit margin
- 6.9%
- Profit ÷ revenue.
- Gross margin
- 74.9%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £114k
- Revenue ÷ average employees.
- Profit per employee
- £7.9k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 3.8%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 17.9%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 29.7%
- 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
- ▲20%
- Now £7.4m
- Cash at bank
- ▲301%
- Now £2.4m
- Headcount
- ▼8%
- Now 154
- Deferred income
- ▲42%
- Now £3.2m
- Fixed assets
- ▼37%
- Now £666k
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
Group structure
Ownership chain
- Assa Abloy Ab (registered outside the UK register)ultimate parent75–100%
- Assa Abloy Limited75–100%
- Assa Abloy Global Solutions UK Limited75–100%
- Pattern Analytics Ltd75–100%
- Biosite Systems Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (2)
- Construct Technology LtdFigures not disclosed
- Galven LimitedFigures not disclosed
Sister companies (1)
- Biosite Security LtdRev. £1.2m · Profit −£129k
From the Persons with Significant Control register (corporate controllers only).
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Sources
Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £1.2m), from the Companies House accounts bulk data published Sep 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.