Network Rail (High Speed) Limited
Registered name: NETWORK RAIL (HIGH SPEED) LIMITED
Part of Secretary Of State For Transport groupNetwork Rail (High Speed) Limited made £101m revenue and £8.6m profit in the year to 31 Mar 2025.
Network Rail (High Speed) Limited’s revenue grew 9% to £101m in the year to 31 Mar 2025, with £8.6m profit. The company is classified under “passenger rail transport, interurban” and is based in London; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- London
- Age
- 24 yrs · since 2002
- Type
- Private Limited Company
Key figures
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) | £87.9m | £92.4m | £101m |
| Cost of sales | −£80.2m | −£87.3m | −£93.7m |
| Operating profit | £7.8m | £5.1m | £7.2m |
| Profit before tax | £10.2m | £9.4m | £11.5m |
| Profit after tax | £8m | £7m | £8.6m |
| Profit (best available) | £8m | £7m | £8.6m |
| Employees (average) | — | — | — |
| Ratios | |||
| Profit margin | 9.1% | 7.6% | 8.5% |
| Growth (year on year) | |||
| Revenue growth | — | ▲5% | ▲9.2% |
| Profit growth | — | ▼13.1% | ▲23.3% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Nov 2024 | Accounts · bulk data Nov 2024 | Accounts · bulk data Jan 2026 |
How the business works
- Profit margin
- 8.5%
- Profit ÷ revenue.
- Gross margin
- —
- 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
- Secretary Of State For Transport (registered outside the UK register)ultimate parent75–100%
- Network Rail Limited75–100%
- Network Rail Holdco Limited75–100%
- Network Rail Infrastructure Limited75–100%
- Network Rail (High Speed) Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (16)
- Network Rail International LimitedRev. £34.5m · Profit −£1m
- Platform4 Rail Regeneration LimitedRev. £27.5m · Profit −£9.7m
- Great British Railways Consulting LimitedFigures not disclosed
- Kew Bridge Manco LimitedFigures not disclosed
- Network Rail (Spacia) LimitedFigures not disclosed
- Network Rail (Stations) LimitedFigures not disclosed
- Network Rail (VY1) LimitedFigures not disclosed
- Network Rail (VY2) LimitedFigures not disclosed
- Network Rail Certification Body LimitedFigures not disclosed
- Network Rail Development LimitedFigures not disclosed
- Network Rail Pension Trustee LimitedFigures not disclosed
- Network Rail Property LimitedFigures not disclosed
- NR Corporate Secretary LimitedFigures not disclosed
- Railway Property LimitedFigures not disclosed
- Spacia (2002) LimitedFigures not disclosed
- Victoria Place Shopping Centre LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from accounts for the year to 31 Mar 2025 (profit £8.6m), from the Companies House accounts bulk data published Jan 2026. Spotted an error? Request a correction.
Updated from Companies House on 21 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.