Blackstar Amplification Ltd
Registered name: BLACKSTAR AMPLIFICATION LTD
Part of Blackstar Instrument Group Limited groupBlackstar Amplification Ltd made £9.9m revenue and a £456k loss in the year to 30 Apr 2025.
Blackstar Amplification Ltd’s revenue fell 28% to £9.9m in the year to 30 Apr 2025, with a loss of £456k and 48 employees. The company is classified under “manufacture of consumer electronics” and is based in Northampton; we hold 2 years of its filed accounts.
- Status
- Active
- Location
- Northampton, East Midlands
- Age
- 22 yrs · since 2004
- 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 | 30 Apr 2024 | 30 Apr 2025 |
|---|---|---|
| Disclosure | Full P&L | Full P&L |
| Profit & loss | ||
| Revenue (turnover) | £13.8m | £9.9m |
| Cost of sales | £8.6m | £6m |
| Gross profit | £5.2m | £3.8m |
| Operating profit | £1.1m | −£554k |
| Profit before tax | £1m | −£596k |
| Profit after tax | £1.2m | −£456k |
| Profit (best available) | £1.2m | −£456k |
| Staff costs | £2.2m | £2.4m |
| Employees (average) | 45 | 48 |
| Ratios | ||
| Profit margin | 8.6% | −4.6% |
| Gross margin | 37.9% | 39% |
| Revenue per employee | £307k | £206k |
| Profit per employee | £26.2k | −£9.5k |
| Growth (year on year) | ||
| Revenue growth | — | ▼28.4% |
| Profit growth | — | ▼138.6% |
| Headcount growth | — | ▲6.7% |
| Balance sheet — indirect signals, not revenue | ||
| Cash at bank | £1.9m | £360k |
| Net assets | £5.3m | £4.8m |
| Fixed assets | £392k | £661k |
| Current assets | £8.2m | £6.4m |
| Debtors | £2.8m | £1.9m |
| Source | FullAccounts · bulk data Jan 2026 | FullAccounts · bulk data Jan 2026 |
How the business works
- Profit margin
- −4.6%
- Profit ÷ revenue.
- Gross margin
- 39%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £206k
- Revenue ÷ average employees.
- Profit per employee
- −£9.5k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 6.7%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- —
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 19.4%
- 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 £4.8m
- Cash at bank
- ▼81%
- Now £360k
- Headcount
- ▲7%
- Now 48
- Deferred income
- —
- Now —
- Fixed assets
- ▲68%
- Now £661k
Group structure
Ownership chain
- Blackstar Instrument Group Limitedultimate parent75–100%
- Blackstar Amplification Ltdthis company
Bands show the share of ownership each company holds in the one below it.
From the Persons with Significant Control register (corporate controllers only).
Similar profitable businesses
- Sonova Consumer Hearing UK LimitedMarlow · Manufacture of consumer electronics
- Revenue
- £11.6m
- Profit
- £272k
- Staff
- 17
- Loudspeaker Technology LimitedStroud · Manufacture of consumer electronics
- Revenue
- £8m
- Profit
- £724k
- Staff
- 81
- Zyxel Communications UK LimitedWokingham · Manufacture of consumer electronics
- Revenue
- £23.7m
- Profit
- £108k
- Staff
- 16
Sources
Latest figures from FullAccounts for the year to 30 Apr 2025 (profit −£456k), from the Companies House accounts bulk data published Jan 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.