Spamhaus Technology Limited
Registered name: SPAMHAUS TECHNOLOGY LIMITED
Spamhaus Technology Limited made £9.5m revenue and a £1.3m loss in the year to 30 Jun 2025.
Spamhaus Technology Limited’s revenue fell 14% to £9.5m in the year to 30 Jun 2025, with a loss of £1.3m and 23 employees. The company is classified under “other business support service activities” and is based in London; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 22 yrs · since 2004
- 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 Jun 2022 | 30 Jun 2023 | 30 Jun 2024 | 30 Jun 2025 |
|---|---|---|---|---|
| Disclosure | No P&L | Full P&L | Full P&L | Full P&L |
| Profit & loss | ||||
| Revenue (turnover) | — | £10.4m | £11.1m | £9.5m |
| Cost of sales | — | £1.3m | £1.9m | £1.5m |
| Gross profit | — | £9.1m | £9.2m | £8m |
| Operating profit | — | £2.6m | £2.4m | −£1.7m |
| Profit before tax | — | £2.8m | −£718k | −£1.7m |
| Profit after tax | — | £2.3m | −£1.6m | −£1.3m |
| Profit (best available) | — | £2.3m | −£1.6m | −£1.3m |
| Staff costs | — | £3m | £3.6m | £5.3m |
| Employees (average) | 13 | 14 | 18 | 23 |
| Ratios | ||||
| Profit margin | — | 22% | −14% | −14.1% |
| Gross margin | — | 87.9% | 83.3% | 84% |
| Revenue per employee | — | £740k | £616k | £413k |
| Profit per employee | — | £163k | −£86.4k | −£58.1k |
| Cash conversion | — | 95.1% | 35.1% | — |
| Growth (year on year) | ||||
| Revenue growth | — | — | ▲7% | ▼14.4% |
| Profit growth | — | — | ▼168.2% | — |
| Headcount growth | — | ▲7.7% | ▲28.6% | ▲27.8% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £2.6m | £5m | £5.8m | £5.5m |
| Net assets | £5.4m | £6.2m | £3.5m | £2.2m |
| Fixed assets | £770k | £844k | £798k | £758k |
| Current assets | £9.3m | £10.7m | £9.2m | £7.7m |
| Debtors | £1.3m | £1.5m | £3.3m | £1.4m |
| Deferred income | £3.3m | £4.8m | £3.1m | £4.6m |
| Cash from operations | — | £2.5m | £829k | £1.1m |
| Source | FullAccounts · bulk data Jan 2024 | FullAccounts · bulk data Jan 2024 | FullAccounts · bulk data Mar 2025 | FullAccounts · bulk data Feb 2026 |
How the business works
- Profit margin
- −14.1%
- Profit ÷ revenue.
- Gross margin
- 84%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £413k
- Revenue ÷ average employees.
- Profit per employee
- −£58.1k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 8%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 48.4%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 15.2%
- 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
- ▼38%
- Now £2.2m
- Cash at bank
- ▼5%
- Now £5.5m
- Headcount
- ▲28%
- Now 23
- Deferred income
- ▲46%
- Now £4.6m
- Fixed assets
- ▼5%
- Now £758k
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
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Sources
Latest figures from FullAccounts for the year to 30 Jun 2025 (profit −£1.3m), from the Companies House accounts bulk data published Feb 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.