Southern Gas Networks PLC
Registered name: SOUTHERN GAS NETWORKS PLC
Part of Brookfield Corporation groupSouthern Gas Networks PLC made £897m revenue and £53m profit in the year to 31 Mar 2026.
Southern Gas Networks PLC’s revenue grew 12% to £897m in the year to 31 Mar 2026, with £53m profit. The company is classified under “distribution of gaseous fuels through mains” and is based in Horley; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- Horley
- Age
- 22 yrs · since 2004
- Type
- Public Limited Company
Key figures
Financial history
| Year to | 31 Mar 2024 | 31 Mar 2025 | 31 Mar 2026 |
|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L |
| Profit & loss | |||
| Revenue (turnover) | £901m | £799m | £897m |
| Cost of sales | — | — | −£635m |
| Operating profit | £363m | £206m | £262m |
| Profit before tax | £207m | £86m | £75m |
| Profit after tax | £151m | £64m | £53m |
| Profit (best available) | £151m | £64m | £53m |
| Employees (average) | — | — | — |
| Ratios | |||
| Profit margin | 16.8% | 8% | 5.9% |
| Growth (year on year) | |||
| Revenue growth | — | ▼11.3% | ▲12.3% |
| Profit growth | — | ▼57.6% | ▼17.2% |
| Balance sheet — indirect signals, not revenue | |||
| Net assets | — | — | — |
| Source | Accounts · bulk data Sep 2025 | Accounts · bulk data Sep 2025 | Accounts · bulk data Aug 2026 |
How the business works
- Profit margin
- 5.9%
- 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
- Brookfield Corporation (registered outside the UK register)ultimate parent75–100%
- Bsip UK Holdco Limited50–75%
- Scotia Gas Networks Limited75–100%
- SGN Pledgeco Limited75–100%
- SGN Midco Limited75–100%
- Southern Gas Networks PLCthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (3)
- SGN Evolve Network LtdRev. £11.6m · Profit £2.2m
- SGN Contracting LimitedRev. £0 · Profit £0
- Scotland Gas Networks PLCFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from accounts for the year to 31 Mar 2026 (profit £53m), from the Companies House accounts bulk data published Aug 2026. Spotted an error? Request a correction.
Updated from Companies House on 15 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.