Transmission Developments Co (GB) Limited
Registered name: TRANSMISSION DEVELOPMENTS CO (GB) LIMITED
Transmission Developments Co (GB) Limited made £10.9m revenue and £374k profit in the year to 31 Mar 2025.
Transmission Developments Co (GB) Limited’s revenue grew 3% to £10.9m in the year to 31 Mar 2025, with £374k profit and 84 employees. The company is classified under “machining” and is based in Poole; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Poole, South West
- Age
- 41 yrs · since 1985
- Type
- Private Limited Company
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Mar 2022 | 31 Mar 2023 | 31 Mar 2024 | 31 Mar 2025 |
|---|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L | Full P&L |
| Profit & loss | ||||
| Revenue (turnover) | £10.7m | £11.6m | £10.6m | £10.9m |
| Cost of sales | £6.7m | £7m | £6.6m | £7.2m |
| Gross profit | £4m | £4.5m | £4m | £3.7m |
| Operating profit | £1.6m | £1.6m | £1.1m | £442k |
| Profit before tax | £1.6m | £1.6m | £1.1m | £508k |
| Profit after tax | £1.3m | £1.3m | £822k | £374k |
| Profit (best available) | £1.3m | £1.3m | £822k | £374k |
| Staff costs | £3m | £3.7m | £3.6m | £4m |
| Employees (average) | 84 | 85 | 89 | 84 |
| Ratios | ||||
| Profit margin | 12.1% | 11.3% | 7.8% | 3.4% |
| Gross margin | 37.5% | 39% | 38% | 34.3% |
| Revenue per employee | £127k | £136k | £119k | £130k |
| Profit per employee | £15.5k | £15.3k | £9.2k | £4.5k |
| Cash conversion | −81% | 24.3% | −169.3% | −156.1% |
| Growth (year on year) | ||||
| Revenue growth | — | ▲7.9% | ▼8.2% | ▲2.9% |
| Profit growth | — | ▲0.2% | ▼36.9% | ▼54.5% |
| Headcount growth | — | ▲1.2% | ▲4.7% | ▼5.6% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £3.6m | £2.6m | £4m | £4.3m |
| Net assets | £9m | £10.2m | £11m | £11.2m |
| Fixed assets | £1.5m | £1.6m | £1.5m | £1.3m |
| Current assets | £10.1m | £10.7m | £11.5m | £11.7m |
| Debtors | £1.9m | £2m | £1.9m | £2m |
| Cash from operations | −£1.3m | £394k | −£1.8m | −£690k |
| Source | Accounts · bulk data Dec 2023 | Accounts · bulk data Dec 2023 | FullAccounts · bulk data Dec 2024 | FullAccounts · bulk data Dec 2025 |
How the business works
- Profit margin
- 3.4%
- Profit ÷ revenue.
- Gross margin
- 34.3%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £130k
- Revenue ÷ average employees.
- Profit per employee
- £4.5k
- Profit ÷ average employees.
- Cash conversion
- −156.1%
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 12.3%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- —
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 17.9%
- 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
- ▲2%
- Now £11.2m
- Cash at bank
- ▲7%
- Now £4.3m
- Headcount
- ▼6%
- Now 84
- Deferred income
- —
- Now —
- Fixed assets
- ▼13%
- Now £1.3m
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Sources
Latest figures from FullAccounts for the year to 31 Mar 2025 (profit £374k), from the Companies House accounts bulk data published Dec 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.