Diagnose UK Limited
Registered name: DIAGNOSE UK LIMITED
Part of I.c.t.s. (U.K.) Limited groupDiagnose UK Limited made £2.6m revenue and a £160k loss in the year to 31 Dec 2025.
Diagnose UK Limited’s revenue fell 5% to £2.6m in the year to 31 Dec 2025, with a loss of £160k and 41 employees. The company is classified under “private security activities” and is based in London; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- London
- Age
- 13 yrs · since 2013
- Type
- Private Limited Company
Key figures
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) | £2.7m | £2.8m | £2.6m |
| Cost of sales | −£2.4m | −£2.5m | −£2.5m |
| Gross profit | £312k | £311k | £131k |
| Operating profit | £109k | £68.6k | −£174k |
| Profit before tax | £109k | £68.6k | −£174k |
| Profit after tax | £70.7k | £41.6k | −£160k |
| Profit (best available) | £70.7k | £41.6k | −£160k |
| Employees (average) | 38 | 44 | 41 |
| Ratios | |||
| Profit margin | 2.6% | 1.5% | −6.1% |
| Gross margin | 11.6% | 11.2% | 5% |
| Revenue per employee | £70.8k | £63.1k | £64.1k |
| Profit per employee | £1.9k | £945 | −£3.9k |
| Growth (year on year) | |||
| Revenue growth | — | ▲3.2% | ▼5.3% |
| Profit growth | — | ▼41.2% | ▼484.5% |
| Headcount growth | — | ▲15.8% | ▼6.8% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Mar 2025 | Accounts · bulk data Mar 2025 | Accounts · bulk data Apr 2026 |
How the business works
- Profit margin
- −6.1%
- Profit ÷ revenue.
- Gross margin
- 5%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £64.1k
- Revenue ÷ average employees.
- Profit per employee
- −£3.9k
- 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
- ▼7%
- Now 41
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- I.c.t.s. (U.K.) Limitedultimate parent75–100%
- Diagnose UK Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (1)
- Advanced Signal Monitoring LtdFigures 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 −£160k), from the Companies House accounts bulk data published Apr 2026. Spotted an error? Request a correction.
Updated from Companies House on 23 Oct 2026
Contains public sector information from Companies House licensed under the Open Government Licence v3.0. Data from Companies House, © Crown copyright. View the licence.