Cloburn Quarry Company Limited
Registered name: CLOBURN QUARRY COMPANY LIMITED
Part of WM Hamilton Group Ltd groupCloburn Quarry Company Limited made £10.2m revenue and £1.2m profit in the year to 31 Mar 2025.
Cloburn Quarry Company Limited’s revenue was £10.2m in the year to 31 Mar 2025, with £1.2m profit and 31 employees. The company is classified under “quarrying of ornamental and building stone, limestone, gypsum, chalk and slate” and is based in Lanark; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Lanark
- Age
- 41 yrs · since 1985
- Type
- Private Limited Company
Key figures
Financial history
| Year to | 30 Sep 2023 | 31 Mar 2024 | 30 Sep 2024 | 31 Mar 2025 |
|---|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L | Full P&L |
| Profit & loss | ||||
| Revenue (turnover) | £21.2m | £18.2m | £18.2m | £10.2m |
| Cost of sales | £12.6m | £10.6m | £10.6m | £6.3m |
| Gross profit | £8.6m | £7.6m | £7.6m | £4m |
| Operating profit | £1.9m | −£1.3m | −£1.3m | £1.7m |
| Profit before tax | £1.9m | −£1.4m | −£1.4m | £1.6m |
| Profit after tax | £1.4m | −£1m | −£1m | £1.2m |
| Profit (best available) | £1.4m | −£1m | −£1m | £1.2m |
| Employees (average) | 36 | 33 | 33 | 31 |
| Ratios | ||||
| Profit margin | 6.5% | −5.7% | −5.7% | 11.9% |
| Gross margin | 40.4% | 41.8% | 41.8% | 38.8% |
| Revenue per employee | £589k | £551k | £551k | £330k |
| Profit per employee | £38.5k | −£31.1k | −£31.1k | £39.2k |
| Balance sheet — indirect signals, not revenue | ||||
| Net assets | — | — | — | — |
| Source | Accounts · bulk data Jun 2025 | Accounts · bulk data Mar 2026 | Accounts · bulk data Jun 2025 | Accounts · bulk data Mar 2026 |
How the business works
- Profit margin
- 11.9%
- Profit ÷ revenue.
- Gross margin
- 38.8%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £330k
- Revenue ÷ average employees.
- Profit per employee
- £39.2k
- 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
- —
- Now 31
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- WM Hamilton Group Ltdultimate parent75–100%
- Cloburn Quarry Company Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (2)
- WM Hamilton & Sons LimitedRev. £21.7m · Profit £5.6m
- William Hamilton & Sons (Contractors) LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from accounts for the year to 31 Mar 2025 (profit £1.2m), from the Companies House accounts bulk data published Mar 2026. Spotted an error? Request a correction.
Updated from Companies House on 19 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.