Plasmor Limited
Registered name: PLASMOR LIMITED
Part of Plasmor (Holdings) Limited groupPlasmor Limited made £70.4m revenue and £412k profit in the year to 31 Dec 2025. read from filing text
Plasmor Limited’s revenue was £70.4m in the year to 31 Dec 2025, with £412k profit and 218 employees. The company is classified under “manufacture of concrete products for construction purposes” and is based in Knottingley; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Knottingley, Yorkshire and The Humber
- 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 immediate and ultimate parent company is Plasmor (Holdings) Limited . Plasmor (Holdings) Limited is the smallest and largest group into which these financial statements are consolidated, and these”
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Aug 2022 | 31 Aug 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) | £72.3m | £69.9m | £87.1m | £70.4m |
| Cost of sales | £60.6m | £55.6m | £67.9m | £56.5m |
| Gross profit | £11.8m | £14.3m | £19.2m | £13.9m |
| Operating profit | −£49.4k | £2.5m | £2.3m | £860k |
| Profit before tax | −£47.9k | £4m | £2.5m | £951k |
| Profit after tax | −£522k | £3.8m | £1.8m | £412k |
| Profit (best available) | −£522k | £3.8m | £1.8m | £412k |
| Staff costs | £10.5m | £10.7m | £15.4m | £12.2m |
| Employees (average) | 239 | 229 | 230 | 218 |
| Ratios | ||||
| Profit margin | −0.7% | 5.4% | 2% | 0.6% |
| Gross margin | 16.3% | 20.5% | 22.1% | 19.7% |
| Revenue per employee | £303k | £305k | £379k | £323k |
| Profit per employee | −£2.2k | £16.6k | £7.6k | £1.9k |
| Growth (year on year) | ||||
| Revenue growth | — | ▼3.4% | — | — |
| Headcount growth | — | ▼4.2% | — | — |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £16.7m | £19.1m | £18.1m | £13.6m |
| Net assets | £61.3m | £62.6m | £55.2m | £51.4m |
| Fixed assets | £35.4m | £36.2m | £36.7m | £36.4m |
| Current assets | £44.7m | £44.6m | £39.1m | £36.3m |
| Debtors | £13.7m | £11.5m | £9.1m | £8.3m |
| Deferred income | £2.8m | £2.2m | £1.5m | £1m |
| Source | FullAccounts · bulk data Apr 2024 | FullAccounts · bulk data Apr 2024 | FullAccounts · bulk data Aug 2025 | FullAccounts · bulk data Jun 2026 |
How the business works
- Profit margin
- 0.6%
- Profit ÷ revenue.
- Gross margin
- 19.7%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £323k
- Revenue ÷ average employees.
- Profit per employee
- £1.9k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 51.7%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 1.5%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 11.8%
- 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
- —
- Now £51.4m
- Cash at bank
- —
- Now £13.6m
- Headcount
- —
- Now 218
- Deferred income
- —
- Now £1m
- Fixed assets
- —
- Now £36.4m
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
Group structure
Ownership chain
- Plasmor (Holdings) Limitedultimate parent75–100%
- Plasmor Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Subsidiaries (3)
- Plasmor (Halton) LimitedRev. £19.3m · Profit £1.4m
- Translift Freight LimitedRev. £16.3m · Profit −£121k
- Plasmor (Property) LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Similar profitable businesses
- Thomas Armstrong (Concrete Blocks) LimitedMaryport · Manufacture of concrete products for construction purposes
- Revenue
- £61.2m
- Profit
- £6.4m
- Staff
- 122
- Thorp Precast LimitedNewcastle Under Lyme · Manufacture of concrete products for construction purposes
- Revenue
- £37.5m
- Profit
- £6.2m
- Staff
- 231
- Lynx Precast LimitedAshington · Manufacture of concrete products for construction purposes
- Revenue
- £34.5m
- Profit
- £2.9m
- Staff
- 123
- Pavestone UK LimitedBrize Norton · Manufacture of concrete products for construction purposes
- Revenue
- £32.4m
- Profit
- £1m
- Staff
- 69
- Wright Readymix LtdBristol · Manufacture of concrete products for construction purposes
- Revenue
- £28.5m
- Profit
- £816k
- Staff
- 102
Sources
Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £412k), 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.