Portswigger Ltd
Registered name: PORTSWIGGER LTD
Portswigger Ltd made £43.1m revenue and £7.7m profit in the year to 31 Dec 2025.
Portswigger Ltd’s revenue grew 12% to £43.1m in the year to 31 Dec 2025, with £7.7m profit and 164 employees. The company is classified under “business and domestic software development” and is based in Knutsford; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Knutsford, North West
- Age
- 18 yrs · since 2008
- 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) | £36m | £38.5m | £43.1m |
| Cost of sales | −£2.8m | −£3m | −£4.2m |
| Gross profit | £33.2m | £35.4m | £38.9m |
| Operating profit | £12.5m | £10.7m | £8.9m |
| Profit before tax | £12.6m | £10.9m | £9.5m |
| Profit after tax | £10.2m | £9.1m | £7.7m |
| Profit (best available) | £10.2m | £9.1m | £7.7m |
| Employees (average) | 140 | 144 | 164 |
| Ratios | |||
| Profit margin | 28.4% | 23.7% | 17.9% |
| Gross margin | 92.2% | 92.2% | 90.2% |
| Revenue per employee | £257k | £267k | £263k |
| Profit per employee | £73k | £63.2k | £47.1k |
| Growth (year on year) | |||
| Revenue growth | — | ▲6.9% | ▲12% |
| Profit growth | — | ▼11% | ▼15.2% |
| Headcount growth | — | ▲2.9% | ▲13.9% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Oct 2025 | Accounts · bulk data Oct 2025 | Accounts · bulk data May 2026 |
How the business works
- Profit margin
- 17.9%
- Profit ÷ revenue.
- Gross margin
- 90.2%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £263k
- Revenue ÷ average employees.
- Profit per employee
- £47.1k
- 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
- ▲14%
- Now 164
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Similar profitable businesses
- Omnisend LimitedLondon · Business and domestic software development
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- £43.4m
- Profit
- £3.3m
- Staff
- 199
- Aire Logic LimitedLeeds · Business and domestic software development
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- Columbus Global UK LtdNottingham · Business and domestic software development
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- Profit
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- Beyondly Global LimitedRiversway, Preston · Business and domestic software development
- Revenue
- £40.8m
- Profit
- £3.6m
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- Assistive Solutions LtdLondon · Business and domestic software development
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- Profit
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- MRI Software Emea LimitedLondon · Business and domestic software development
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Sources
Latest figures from accounts for the year to 31 Dec 2025 (profit £7.7m), from the Companies House accounts bulk data published May 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.