Rochester Sensors UK Limited
Registered name: ROCHESTER SENSORS UK LIMITED
Part of Amphenol Corporation groupRochester Sensors UK Limited made £11.1m revenue and £2.5m profit in the year to 31 Dec 2025. read from filing text
Rochester Sensors UK Limited’s revenue grew 5% to £11.1m in the year to 31 Dec 2025, with £2.5m profit and 62 employees. The company is classified under “manufacture of other general-purpose machinery” and is based in Warwick; we hold 2 years of its filed accounts.
- Status
- Active
- Location
- Warwick, West Midlands
- Age
- 48 yrs · since 1977
- 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. From the filing: “The company's parent company is Rochester Sensors LLC, a company registered in the United States of America, and the ultimate parent undertaking is Amphenol Corporation, a company registered in the Un”
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&Lread from filing text | Full P&Lread from filing text |
| Profit & loss | ||
| Revenue (turnover) | £10.6m | £11.1m |
| Cost of sales | £4.9m | £4.9m |
| Gross profit | £5.7m | £6.2m |
| Operating profit | £2.9m | £3.2m |
| Profit before tax | £2.9m | £3.2m |
| Profit after tax | £2.2m | £2.5m |
| Profit (best available) | £2.2m | £2.5m |
| Staff costs | £2.4m | £2.4m |
| Employees (average) | 65 | 62 |
| Ratios | ||
| Profit margin | 20.7% | 22.3% |
| Gross margin | 54.1% | 56.1% |
| Revenue per employee | £163k | £179k |
| Profit per employee | £33.8k | £40k |
| Growth (year on year) | ||
| Revenue growth | — | ▲5.1% |
| Profit growth | — | ▲13% |
| Headcount growth | — | ▼4.6% |
| Balance sheet — indirect signals, not revenue | ||
| Cash at bank | £1.7m | £1.5m |
| Net assets | £3.6m | £3.9m |
| Fixed assets | £283k | £207k |
| Current assets | £4.6m | £4.5m |
| Debtors | £1.3m | £1.3m |
| Deferred income | £407k | £201k |
| Source | FullAccounts · bulk data Sep 2026 | FullAccounts · bulk data Sep 2026 |
How the business works
- Profit margin
- 22.3%
- Profit ÷ revenue.
- Gross margin
- 56.1%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £179k
- Revenue ÷ average employees.
- Profit per employee
- £40k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 1.9%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 1.8%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 11.3%
- 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
- ▲9%
- Now £3.9m
- Cash at bank
- ▼8%
- Now £1.5m
- Headcount
- ▼5%
- Now 62
- Deferred income
- ▼51%
- Now £201k
- Fixed assets
- ▼27%
- Now £207k
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
Group structure
Ownership chain
- Amphenol Corporation (registered outside the UK register)ultimate parent75–100%
- Rochester Sensors UK 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).
Similar profitable businesses
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- Revenue
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- Profit
- £597k
- Staff
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- Howardson Group LimitedKirk Langley · Manufacture of other general-purpose machinery n.e.c.
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- Profit
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- Vancebuild LimitedNorwich · Manufacture of other general-purpose machinery n.e.c.
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- Profit
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- Marden Edwards LimitedWimborne · Manufacture of other general-purpose machinery n.e.c.
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- Byworth Boilers LtdKeighley · Manufacture of other general-purpose machinery n.e.c.
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Sources
Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £2.5m), from the Companies House accounts bulk data published Sep 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.