Stroma Building Control Limited
Registered name: STROMA BUILDING CONTROL LIMITED
Part of Puma Bidco Limited groupStroma Building Control Limited made £20.8m revenue and £3m profit in the year to 31 Dec 2024.
Stroma Building Control Limited’s revenue grew 51% to £20.8m in the year to 31 Dec 2024, with £3m profit. The company is classified under “other engineering activities” and is based in Ossett; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Ossett
- Age
- 25 yrs · since 2001
- 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) | £9.7m | £13.8m | £20.8m |
| Cost of sales | −£4.9m | −£7.3m | −£11.2m |
| Gross profit | £4.8m | £6.4m | £9.6m |
| Operating profit | £1.6m | £1.5m | £2.9m |
| Profit before tax | £1.6m | £1.5m | £2.9m |
| Profit after tax | £1.5m | £1.1m | £3m |
| Profit (best available) | £1.5m | £1.1m | £3m |
| Employees (average) | — | — | — |
| Ratios | |||
| Profit margin | 15.7% | 8.1% | 14.6% |
| Gross margin | 49.7% | 46.7% | 46.2% |
| Growth (year on year) | |||
| Revenue growth | — | ▲42.6% | ▲51.2% |
| Profit growth | — | ▼26.5% | ▲172.5% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Aug 2024 | Accounts · bulk data Aug 2024 | Accounts · bulk data Oct 2025 |
How the business works
- Profit margin
- 14.6%
- Profit ÷ revenue.
- Gross margin
- 46.2%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- —
- Revenue ÷ average employees.
- Profit per employee
- —
- 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 —
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Puma Bidco Limitedultimate parent75–100%
- Phenna Group Topco Limited75–100%
- Phenna Group Midco 1 Limited75–100%
- Phenna Group Midco 2 Limited75–100%
- Phenna Group Holdings Limited75–100%
- Phenna Built Environment Limited75–100%
- Stroma Group Limited75–100%
- Stroma Holdings Limited75–100%
- Stroma Developments Limited75–100%
- Stroma BC Holdings Limited75–100%
- Stroma Building Control Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (1)
- Lakeside Hilton 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 £3m), from the Companies House accounts bulk data published Oct 2025. 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.