Diagnostic Dynamics Ltd
Registered name: DIAGNOSTIC DYNAMICS LTD
Diagnostic Dynamics Ltd made £86.5k revenue and £9.6k profit in the year to 30 Sep 2025.
Diagnostic Dynamics Ltd’s revenue grew 34% to £86.5k in the year to 30 Sep 2025, with £9.6k profit and 2 employees. The company is classified under “maintenance and repair of motor vehicles” and is based in London; we hold 2 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 3 yrs · since 2023
- 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 Sep 2024 | 30 Sep 2025 |
|---|---|---|
| Disclosure | Full P&L | Full P&L |
| Profit & loss | ||
| Revenue (turnover) | £64.7k | £86.5k |
| Gross profit | £61.4k | £81.2k |
| Profit before tax | £4.1k | £9.6k |
| Profit after tax | £4.1k | £9.6k |
| Profit (best available) | £4.1k | £9.6k |
| Staff costs | £50.8k | £76k |
| Employees (average) | 2 | 2 |
| Ratios | ||
| Profit margin | 6.3% | 11.1% |
| Gross margin | 94.9% | 93.9% |
| Revenue per employee | £32.4k | £43.2k |
| Profit per employee | £2k | £4.8k |
| Growth (year on year) | ||
| Revenue growth | — | ▲33.6% |
| Profit growth | — | ▲136.7% |
| Headcount growth | — | 0% |
| Balance sheet — indirect signals, not revenue | ||
| Net assets | £37.1k | — |
| Fixed assets | £31.5k | — |
| Current assets | £7.3k | — |
| Source | FullAccounts · bulk data Jun 2025 | AbridgedAccounts · bulk data Sep 2026 |
How the business works
- Profit margin
- 11.1%
- Profit ÷ revenue.
- Gross margin
- 93.9%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £43.2k
- Revenue ÷ average employees.
- Profit per employee
- £4.8k
- 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
- 0%
- Now 2
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Similar profitable businesses
- LB Lorry Wash LimitedLondon · Maintenance and repair of motor vehicles
- Revenue
- £101k
- Profit
- £9.6k
- Staff
- 0
- Ted's Auto Centre LimitedNewark · Maintenance and repair of motor vehicles
- Revenue
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- Profit
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- Kyle Lemke Auto Repairs LtdBirkenhead · Maintenance and repair of motor vehicles
- Revenue
- £103k
- Profit
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- Staff
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- U-Kind Enterprises LtdSouthend-on-Sea · Maintenance and repair of motor vehicles
- Revenue
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- Profit
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- Hardie Recovery Services LtdShotts · Maintenance and repair of motor vehicles
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- Profit
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- Simon Truck Service LtdBristol · Maintenance and repair of motor vehicles
- Revenue
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Sources
Latest figures from AbridgedAccounts for the year to 30 Sep 2025 (profit £9.6k), from the Companies House accounts bulk data published Sep 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.