Castle Cement Limited
Registered name: CASTLE CEMENT LIMITED
Part of Heidelberg Materials Ag groupCastle Cement Limited made £325m revenue and £70.2m profit in the year to 31 Dec 2024.
Castle Cement Limited’s revenue fell 2% to £325m in the year to 31 Dec 2024, with £70.2m profit and 743 employees. The company is classified under “manufacture of cement” and is based in Maidenhead; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Maidenhead
- Age
- 39 yrs · since 1987
- Type
- Private Limited Company
Key figures
Financial history
| Year to | 31 Dec 2022 | 31 Dec 2023 | 31 Dec 2024 |
|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L |
| Profit & loss | |||
| Revenue (turnover) | £325m | £331m | £325m |
| Operating profit | £15.5m | £53.2m | £74.6m |
| Profit before tax | £18.2m | £58.7m | £81.9m |
| Profit after tax | £13.7m | £45.3m | £70.2m |
| Profit (best available) | £13.7m | £45.3m | £70.2m |
| Employees (average) | 810 | 797 | 743 |
| Ratios | |||
| Profit margin | 4.2% | 13.7% | 21.6% |
| Revenue per employee | £401k | £415k | £437k |
| Profit per employee | £16.9k | £56.9k | £94.5k |
| Growth (year on year) | |||
| Revenue growth | — | ▲1.9% | ▼1.9% |
| Profit growth | — | ▲231.9% | ▲54.8% |
| Headcount growth | — | ▼1.6% | ▼6.8% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Aug 2024 | Accounts · bulk data Aug 2024 | Accounts · bulk data Sep 2025 |
How the business works
- Profit margin
- 21.6%
- Profit ÷ revenue.
- Gross margin
- —
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £437k
- Revenue ÷ average employees.
- Profit per employee
- £94.5k
- 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
- ▼7%
- Now 743
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Heidelberg Materials Ag (registered outside the UK register)ultimate parent75–100%
- Heidelberg Materials UK Holding Limited75–100%
- Birchwood Omnia Limited75–100%
- Heidelberg Materials Cement Holding Limited75–100%
- Castle Cement Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (10)
- Castle Building Products LimitedFigures not disclosed
- Castle Cement (Ketton) LimitedFigures not disclosed
- Castle Cement (Ribblesdale) LimitedFigures not disclosed
- Castle Lime LimitedFigures not disclosed
- Castle Pension Scheme Trustees LimitedFigures not disclosed
- CSPS Trustees LimitedFigures not disclosed
- Mantle & Llay LimitedFigures not disclosed
- Minster Quarries LimitedFigures not disclosed
- Scancem Energy and Recovery LimitedFigures not disclosed
- Tunnel Cement LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from accounts for the year to 31 Dec 2024 (profit £70.2m), from the Companies House accounts bulk data published Sep 2025. Spotted an error? Request a correction.
Updated from Companies House on 22 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.