Castalum Limited
Registered name: CASTALUM LIMITED
Part of Manx Welshpool Holdings Limited groupCastalum Limited made £28.6m revenue and £699k profit in the year to 31 Dec 2025. read from filing text
Castalum Limited’s revenue fell 18% to £28.6m in the year to 31 Dec 2025, with £699k profit and 148 employees. The company is classified under “casting of light metals” and is based in Welshpool; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Welshpool, West Midlands
- Age
- 17 yrs · since 2008
- 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 ultimate parent company is Manx Welshpool Holdings Limited, a company incorporated in England & Wales.”
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Dec 2022 | 31 Dec 2023 | 31 Dec 2024 | 31 Dec 2025 |
|---|---|---|---|---|
| Disclosure | Full P&Lread from filing text | Full P&Lread from filing text | Full P&Lread from filing text | Full P&Lread from filing text |
| Profit & loss | ||||
| Revenue (turnover) | £29.8m | £34.9m | £35m | £28.6m |
| Cost of sales | £26.2m | £30.1m | £29.1m | £25.1m |
| Gross profit | £3.6m | £4.8m | £5.9m | £3.6m |
| Operating profit | £712k | £1.6m | £2.1m | £559k |
| Profit before tax | £507k | £1.5m | £1.9m | £612k |
| Profit after tax | £267k | £991k | £1.3m | £699k |
| Profit (best available) | £267k | £991k | £1.3m | £699k |
| Staff costs | £5.4m | £6.2m | £7m | £6.2m |
| Employees (average) | 132 | 144 | 158 | 148 |
| Ratios | ||||
| Profit margin | 0.9% | 2.8% | 3.6% | 2.4% |
| Gross margin | 12% | 13.8% | 16.8% | 12.4% |
| Revenue per employee | £225k | £243k | £222k | £194k |
| Profit per employee | £2k | £6.9k | £8.1k | £4.7k |
| Growth (year on year) | ||||
| Revenue growth | — | ▲17.4% | ▲0.3% | ▼18.3% |
| Profit growth | — | ▲270.9% | ▲29.2% | ▼45.4% |
| Headcount growth | — | ▲9.1% | ▲9.7% | ▼6.3% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £1m | £2.4m | £1.3m | £3.6m |
| Net assets | £2.6m | £4m | £5.9m | £5.9m |
| Fixed assets | £8m | £6.9m | £5.3k | £5.4m |
| Current assets | £11.3m | £11.3m | £12.9m | £11.7m |
| Debtors | £7.4m | £5.9m | £6.9m | £5.7m |
| Deferred income | £134k | £107k | £79.2k | £81k |
| Source | FullAccounts · bulk data Jul 2024 | FullAccounts · bulk data Jul 2024 | FullAccounts · bulk data Sep 2025 | FullAccounts · bulk data Sep 2026 |
How the business works
- Profit margin
- 2.4%
- Profit ÷ revenue.
- Gross margin
- 12.4%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £194k
- Revenue ÷ average employees.
- Profit per employee
- £4.7k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 18.9%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 0.3%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 19.8%
- 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
- ▲0%
- Now £5.9m
- Cash at bank
- ▲168%
- Now £3.6m
- Headcount
- ▼6%
- Now 148
- Deferred income
- ▲2%
- Now £81k
- Fixed assets
- ▲103001%
- Now £5.4m
Group structure
Ownership chain
- Manx Welshpool Holdings Limitedultimate parent75–100%
- Castalum Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (2)
- Ahw Industries LimitedFigures not disclosed
- Manx Welshpool LtdFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Similar profitable businesses
- Tritech Precision Products LimitedWrexham · Casting of light metals
- Revenue
- £36.6m
- Profit
- £5.4m
- Staff
- 311
- Bridge Aluminium LimitedLeicester · Casting of light metals
- Revenue
- £21.4m
- Profit
- £490k
- Staff
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- J.H. Lavender & Company LimitedWest Bromwich · Casting of light metals
- Revenue
- £12.2m
- Profit
- £474k
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- Pangolin Editions LimitedBath · Casting of light metals
- Revenue
- £11.3m
- Profit
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- Staff
- 137
Sources
Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £699k), from the Companies House accounts bulk data published Sep 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.