Charles River Laboratories Edinburgh Limited
Registered name: CHARLES RIVER LABORATORIES EDINBURGH LIMITED
Charles River Laboratories Edinburgh Limited made £128m revenue and £16.6m profit in the year to 27 Dec 2025.
Charles River Laboratories Edinburgh Limited’s revenue fell 5% to £128m in the year to 27 Dec 2025, with £16.6m profit and 1,236 employees. The company is classified under “other research and experimental development on natural sciences and engineering”; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Scotland
- Age
- 41 yrs · since 1985
- 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: “Charles River Laboratories Montreal ULC”
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 30 Dec 2023 | 28 Dec 2024 | 27 Dec 2025 |
|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L |
| Profit & loss | |||
| Revenue (turnover) | £147m | £135m | £128m |
| Cost of sales | £92.3m | £89.6m | £90.9m |
| Gross profit | £54.7m | £45.7m | £37.1m |
| Operating profit | £37.5m | £27.7m | £21.9m |
| Profit before tax | £39.1m | £29.1m | £22m |
| Profit after tax | £29.2m | £22m | £16.6m |
| Profit (best available) | £29.2m | £22m | £16.6m |
| Staff costs | £62.3m | £62.7m | £63.7m |
| Employees (average) | 1,377 | 1,359 | 1,236 |
| Ratios | |||
| Profit margin | 19.9% | 16.2% | 13% |
| Gross margin | 37.2% | 33.8% | 29% |
| Revenue per employee | £107k | £99.6k | £104k |
| Profit per employee | £21.2k | £16.2k | £13.4k |
| Growth (year on year) | |||
| Revenue growth | — | ▼7.9% | ▼5.5% |
| Profit growth | — | ▼24.9% | ▼24.4% |
| Headcount growth | — | ▼1.3% | ▼9% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | £88.1m | £82.4m | £89.2m |
| Fixed assets | £66.1m | £64.3m | £65.6m |
| Current assets | £68.1m | £57.9m | £64.5m |
| Debtors | £19.7m | £13.5m | £18.3m |
| Deferred income | £42.2m | £34.7m | £34.5m |
| Source | Full Accounts · bulk data Sep 2025 | Full Accounts · bulk data Sep 2025 | Full Accounts · bulk data Jun 2026 |
How the business works
- Profit margin
- 13%
- Profit ÷ revenue.
- Gross margin
- 29%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £104k
- Revenue ÷ average employees.
- Profit per employee
- £13.4k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 51.3%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 27%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 14.3%
- 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
- ▲8%
- Now £89.2m
- Cash at bank
- —
- Now —
- Headcount
- ▼9%
- Now 1,236
- Deferred income
- ▼0%
- Now £34.5m
- Fixed assets
- ▲2%
- Now £65.6m
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
Group structure
Minority corporate shareholders
- Charles River Laboratories International Inc. (registered outside the UK register)
From the Persons with Significant Control register (corporate controllers only).
Similar profitable businesses
Sources
Latest figures from Full Accounts for the year to 27 Dec 2025 (profit £16.6m), from the Companies House accounts bulk data published Jun 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.