Ultra Sonar Systems Limited
Registered name: ULTRA SONAR SYSTEMS LIMITED
Part of Cobham Ultra Limited groupUltra Sonar Systems Limited made £93.9m revenue and £6.5m profit in the year to 31 Dec 2025.
Ultra Sonar Systems Limited’s revenue grew 32% to £93.9m in the year to 31 Dec 2025, with £6.5m profit and 373 employees. The company is classified under “other manufacturing” and is based in High Wycombe; we hold 2 years of its filed accounts.
- Status
- Active
- Location
- High Wycombe, South East
- Age
- 4 yrs · since 2022
- Type
- Private Limited Company
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.
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Dec 2024 | 31 Dec 2025 |
|---|---|---|
| Disclosure | Full P&L | Full P&L |
| Profit & loss | ||
| Revenue (turnover) | £71.3m | £93.9m |
| Cost of sales | £58.7m | £73.9m |
| Gross profit | £12.6m | £19.9m |
| Operating profit | £4.4m | £8.3m |
| Profit before tax | £3.8m | £7.5m |
| Profit after tax | £3.2m | £6.5m |
| Profit (best available) | £3.2m | £6.5m |
| Employees (average) | 341 | 373 |
| Ratios | ||
| Profit margin | 4.4% | 6.9% |
| Gross margin | 17.6% | 21.2% |
| Revenue per employee | £209k | £252k |
| Profit per employee | £9.3k | £17.4k |
| Growth (year on year) | ||
| Revenue growth | — | ▲31.7% |
| Profit growth | — | ▲106% |
| Headcount growth | — | ▲9.4% |
| Balance sheet — indirect signals, not revenue | ||
| Net assets | £5.2m | £12m |
| Fixed assets | £25.2m | £29.3m |
| Current assets | £48.5m | £48.9m |
| Debtors | £47.6m | £48.3m |
| Source | FullAccounts · bulk data Jul 2026 | FullAccounts · bulk data Jul 2026 |
How the business works
- Profit margin
- 6.9%
- Profit ÷ revenue.
- Gross margin
- 21.2%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £252k
- Revenue ÷ average employees.
- Profit per employee
- £17.4k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 31.2%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- —
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 51.5%
- 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
- ▲130%
- Now £12m
- Cash at bank
- —
- Now —
- Headcount
- ▲9%
- Now 373
- Deferred income
- —
- Now —
- Fixed assets
- ▲16%
- Now £29.3m
Group structure
Ownership chain
- Cobham Ultra Limitedultimate parent75–100%
- Cobham Ultra Acquisitions Limited75–100%
- Ultra Electronics Holdings Limited75–100%
- Cobham Ultra UK Holdings Limited75–100%
- Ultra Electronics Limited75–100%
- Ultra Sonar Systems Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (3)
- Ultra I&c LimitedRev. £32.5m · Profit −£718k
- Ultra Cyber LimitedFigures not disclosed
- Ultra Electronics Pension Trustee Company LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
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Sources
Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £6.5m), from the Companies House accounts bulk data published Jul 2026. Spotted an error? Request a correction.
Updated from Companies House on 12 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.