Wallwork Heat Treatment Limited
Registered name: WALLWORK HEAT TREATMENT LIMITED
Part of WHT Holdings Limited groupWallwork Heat Treatment Limited made £12.4m revenue and £1.2m profit in the year to 31 Mar 2025.
Wallwork Heat Treatment Limited’s revenue fell 9% to £12.4m in the year to 31 Mar 2025, with £1.2m profit and 106 employees. The company is classified under “treatment and coating of metals” and is based in Lancashire; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Lancashire, North West
- Age
- 66 yrs · since 1959
- 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 is a wholly owned subsidiary of WHT Holdings Limited, whose registered office is at:”
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Mar 2023 | 31 Mar 2024 | 31 Mar 2025 |
|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L |
| Profit & loss | |||
| Revenue (turnover) | £10.8m | £13.7m | £12.4m |
| Cost of sales | £6.9m | £8.3m | — |
| Gross profit | £3.9m | £5.4m | — |
| Operating profit | £658k | £1.8m | £1.3m |
| Profit before tax | £709k | £1.8m | £1.5m |
| Profit after tax | £651k | £1.4m | £1.2m |
| Profit (best available) | £651k | £1.4m | £1.2m |
| Staff costs | £5m | £5.3m | £5.4m |
| Employees (average) | 101 | 103 | 106 |
| Ratios | |||
| Profit margin | 6% | 9.9% | 9.3% |
| Gross margin | 36.4% | 39.4% | — |
| Revenue per employee | £107k | £133k | £117k |
| Profit per employee | £6.4k | £13.2k | £10.9k |
| Growth (year on year) | |||
| Revenue growth | — | ▲26.7% | ▼9.4% |
| Profit growth | — | ▲108.1% | ▼14.8% |
| Headcount growth | — | ▲2% | ▲2.9% |
| Balance sheet — indirect signals, not revenue | |||
| Cash at bank | £3.1m | £3.1m | £4.8m |
| Net assets | £8.1m | £9.8m | £11.1m |
| Fixed assets | £6.7m | £10.9m | £16.5m |
| Current assets | £8.5m | £9.3m | £12m |
| Debtors | £1.9m | £2.2m | £2.3m |
| Deferred income | £437k | £45.4k | £0 |
| Source | FullAccounts · bulk data Nov 2024 | FullAccounts · bulk data Nov 2024 | FullAccounts · bulk data Oct 2025 |
How the business works
- Profit margin
- 9.3%
- Profit ÷ revenue.
- Gross margin
- —
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £117k
- Revenue ÷ average employees.
- Profit per employee
- £10.9k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 133%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 0%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 18.6%
- 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
- ▲13%
- Now £11.1m
- Cash at bank
- ▲54%
- Now £4.8m
- Headcount
- ▲3%
- Now 106
- Deferred income
- ▼100%
- Now £0
- Fixed assets
- ▲52%
- Now £16.5m
Group structure
Ownership chain
- WHT Holdings Limitedultimate parent75–100%
- Wallwork Heat Treatment Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (5)
- Tecvac LimitedFigures not disclosed
- Wallwork Bury LtdFigures not disclosed
- Wallwork Cambridge LimitedRev. — · Profit £691k
- Wallwork Heat Treatment (Birmingham) LimitedRev. — · Profit £108k
- Wallwork Newcastle LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Similar profitable businesses
- South West Metal Finishing LimitedExeter · Treatment and coating of metals
- Revenue
- £12.7m
- Profit
- £567k
- Staff
- 171
- Greenkote LimitedLondon · Treatment and coating of metals
- Revenue
- £12.2m
- Profit
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- Staff
- —
- Hereford Galvanizers LimitedHerefordshire · Treatment and coating of metals
- Revenue
- £13.6m
- Profit
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- Staff
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- Eblast LimitedAberdeenshire · Treatment and coating of metals
- Revenue
- £11.2m
- Profit
- £3.1m
- Staff
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- Steelstrip Services LimitedDudley · Treatment and coating of metals
- Revenue
- £10.3m
- Profit
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- Silverwood Enterprise LimitedCraigavon · Treatment and coating of metals
- Revenue
- £10.2m
- Profit
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- Staff
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Sources
Latest figures from FullAccounts for the year to 31 Mar 2025 (profit £1.2m), from the Companies House accounts bulk data published Oct 2025. 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.