BSC Filters Limited
Registered name: BSC FILTERS LIMITED
Part of Dover Corporation groupBSC Filters Limited made £12.2m revenue and £3.2m profit in the year to 31 Dec 2025.
BSC Filters Limited’s revenue grew 15% to £12.2m in the year to 31 Dec 2025, with £3.2m profit and 83 employees. The company is classified under “manufacture of electronic components” and is based in York; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- York
- Age
- 37 yrs · since 1989
- Type
- Private Limited Company
Key figures
Financial history
| Year to | 31 Dec 2023 | 31 Dec 2024 | 31 Dec 2025 |
|---|---|---|---|
| Disclosure | Profit & loss | Profit & loss | Profit & loss |
| Profit & loss | |||
| Revenue (turnover) | £10.2m | £10.6m | £12.2m |
| Cost of sales | −£5.4m | −£4.5m | −£5m |
| Gross profit | £4.8m | £6.1m | £7.2m |
| Operating profit | £1.1m | £2.1m | £3.2m |
| Profit before tax | £1.4m | £2.6m | £3.7m |
| Profit after tax | £1.4m | £2m | £3.2m |
| Profit (best available) | £1.4m | £2m | £3.2m |
| Employees (average) | 73 | 78 | 83 |
| Ratios | |||
| Profit margin | 13.5% | 18.5% | 26.5% |
| Gross margin | 47.4% | 57.4% | 59% |
| Revenue per employee | £139k | £136k | £147k |
| Profit per employee | £18.8k | £25.2k | £39.1k |
| Growth (year on year) | |||
| Revenue growth | — | ▲4.1% | ▲15.5% |
| Profit growth | — | ▲42.9% | ▲65.3% |
| Headcount growth | — | ▲6.9% | ▲6.4% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Aug 2025 | Accounts · bulk data Aug 2025 | Accounts · bulk data Oct 2026 |
How the business works
- Profit margin
- 26.5%
- Profit ÷ revenue.
- Gross margin
- 59%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £147k
- Revenue ÷ average employees.
- Profit per employee
- £39.1k
- 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
- ▲6%
- Now 83
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Dover Corporation (registered outside the UK register)ultimate parent75–100%
- Dover Fluids UK Ltd75–100%
- BSC Filters Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (10)
- Hydro Systems Europe LtdRev. £1.4m · Profit £85.8k
- Cook Compression LimitedFigures not disclosed
- Dover Refrigeration & Food Equipment UK LtdFigures not disclosed
- Dover UK Pensions LimitedFigures not disclosed
- Fairbanks Environmental LimitedFigures not disclosed
- Fibrelite Composites LimitedFigures not disclosed
- Liquip UK Pty LimitedFigures not disclosed
- Quantex Arc LimitedFigures not disclosed
- Vehicle Service Group UK LimitedFigures not disclosed
- Waukesha Bearings LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from accounts for the year to 31 Dec 2025 (profit £3.2m), from the Companies House accounts bulk data published Oct 2026. Spotted an error? Request a correction.
Updated from Companies House on 23 Oct 2026