Calgaz Ltd
Registered name: CALGAZ LTD
Part of Air Liquide International Sa groupCalgaz Ltd made £15.5m revenue and £3.9m profit in the year to 31 Dec 2025.
Calgaz Ltd’s revenue grew 3% to £15.5m in the year to 31 Dec 2025, with £3.9m profit and 59 employees. The company is classified under “manufacture of industrial gases” and is based in Birmingham; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Birmingham
- Age
- 22 yrs · since 2004
- Type
- Private Limited Company
Key figures
Financial history
| Year to | 31 Dec 2023 | 31 Dec 2024 | 31 Dec 2025 |
|---|---|---|---|
| Disclosure | Profit & loss | Profit & loss | Profit & loss |
| Profit & loss | |||
| Revenue (turnover) | £14.2m | £15.1m | £15.5m |
| Cost of sales | −£6.8m | −£6.8m | −£6.9m |
| Gross profit | £7.3m | £8.3m | £8.6m |
| Operating profit | £4.1m | £4.8m | £5m |
| Profit before tax | £4.1m | £4.7m | £5m |
| Profit after tax | £3.1m | £3.5m | £3.9m |
| Profit (best available) | £3.1m | £3.5m | £3.9m |
| Employees (average) | 61 | 59 | 59 |
| Ratios | |||
| Profit margin | 22% | 23.3% | 24.9% |
| Gross margin | 51.7% | 54.9% | 55.5% |
| Revenue per employee | £232k | £256k | £264k |
| Profit per employee | £51.1k | £59.6k | £65.8k |
| Growth (year on year) | |||
| Revenue growth | — | ▲6.5% | ▲3.1% |
| Profit growth | — | ▲12.7% | ▲10.4% |
| Headcount growth | — | ▼3.3% | 0% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Oct 2025 | Accounts · bulk data Oct 2025 | Accounts · bulk data Oct 2026 |
How the business works
- Profit margin
- 24.9%
- Profit ÷ revenue.
- Gross margin
- 55.5%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £264k
- Revenue ÷ average employees.
- Profit per employee
- £65.8k
- 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
- 0%
- Now 59
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Air Liquide International Sa (registered outside the UK register)ultimate parent75–100%
- Air Liquide UK Limited75–100%
- Calgaz Ltdthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (12)
- Energas LimitedRev. £63m · Profit £9.4m
- Air Liquide LimitedFigures not disclosed
- Air Liquide UK Pension Trustees LimitedFigures not disclosed
- Biogas Ops 1 LimitedFigures not disclosed
- Biogas Ops 3 LimitedFigures not disclosed
- Biogas Ops 4 LimitedFigures not disclosed
- Biogas Ops 5 LimitedFigures not disclosed
- Biogas Ops 6 LimitedFigures not disclosed
- Biogas Ops 7 LimitedFigures not disclosed
- East Midland Welding Supply Company LimitedFigures not disclosed
- Engineering and Welding Supplies LimitedFigures not disclosed
- Two Wolves Holdings LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from accounts for the year to 31 Dec 2025 (profit £3.9m), from the Companies House accounts bulk data published Oct 2026. Spotted an error? Request a correction.
Updated from Companies House on 22 Oct 2026