Key Surgical Limited
Registered name: KEY SURGICAL LIMITED
Part of Steris Public Limited Company groupKey Surgical Limited made £0 revenue and £209k profit in the year to 31 Mar 2025. read from filing text
Key Surgical Limited’s revenue was £0 in the year to 31 Mar 2025, with £209k profit and 0 employees. The company is classified under “other manufacturing” and is based in Basingstoke; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Basingstoke, South East
- Age
- 43 yrs · since 1983
- Type
- Private Limited Company
Pass-through vehicle. This looks like a holding, staffing or umbrella company. Its revenue and profit may largely pass through to or from other entities, so the figures may not reflect a standalone operating business. It is excluded from our opportunity lists.
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. From the filing: “The company's immediate parent undertaking is HMM Holdco Limited. The registered office of HMM Holdco Limited is 2200 Renaissance, Basing View, Basingstoke, RG21 4EQ.”
Key figures
Unusual figures. Profit is higher than revenue in this filing. That usually means investment income, dividends from subsidiaries or one-off gains — or a mis-tagged figure. Check the original filing before drawing conclusions.
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Mar 2023 | 31 Mar 2024 | 31 Mar 2025 |
|---|---|---|---|
| Disclosure | Full P&Lread from filing text | Full P&Lread from filing text | Full P&Lread from filing text |
| Profit & loss | |||
| Revenue (turnover) | £7m | £0 | £0 |
| Cost of sales | £5m | £0 | — |
| Gross profit | £2m | £0 | — |
| Operating profit | £38k | −£294k | −£9k |
| Profit before tax | £59k | −£49k | £280k |
| Profit after tax | £42k | −£319k | £209k |
| Profit (best available) | £42k | −£319k | £209k |
| Staff costs | £1.7m | £160k | £0 |
| Employees (average) | 34 | 0 | 0 |
| Ratios | |||
| Profit margin | 0.6% | — | — |
| Gross margin | 28.3% | — | — |
| Revenue per employee | £205k | — | — |
| Profit per employee | £1.2k | — | — |
| Growth (year on year) | |||
| Revenue growth | — | ▼100% | — |
| Profit growth | — | ▼859.5% | — |
| Headcount growth | — | ▼100% | — |
| Balance sheet — indirect signals, not revenue | |||
| Cash at bank | £681k | £166k | £157k |
| Net assets | £5.7m | £5.4m | £5.6m |
| Fixed assets | £0 | £0 | £0 |
| Current assets | £6.6m | £5.4m | £5.7m |
| Debtors | £12k | £0 | £5.5m |
| Deferred income | £423k | £0 | — |
| Source | FullAccounts · bulk data Dec 2024 | FullAccounts · bulk data Dec 2024 | FullAccounts · bulk data Oct 2025 |
How the business works
- Profit margin
- —
- Profit ÷ revenue.
- Gross margin
- —
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- —
- Revenue ÷ average employees.
- Profit per employee
- —
- 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
- ▲4%
- Now £5.6m
- Cash at bank
- ▼5%
- Now £157k
- Headcount
- —
- Now 0
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now £0
Group structure
Ownership chain
- Steris Public Limited Company (registered outside the UK register)ultimate parent75–100%
- Steris Limited75–100%
- Steris Dover Limited75–100%
- HMM Holdco Limited75–100%
- Key Surgical Limitedthis 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).
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Sources
Latest figures from FullAccounts for the year to 31 Mar 2025 (profit £209k), from the Companies House accounts bulk data published Oct 2025. 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.