Southsea Island Rail Limited
Registered name: SOUTHSEA ISLAND RAIL LIMITED
Southsea Island Rail Limited made £115k revenue and a £88.5k loss in the year to 31 Mar 2025.
Southsea Island Rail Limited’s revenue fell 88% to £115k in the year to 31 Mar 2025, with a loss of £88.5k and 1 employee. The company is classified under “construction of railways and underground railways” and is based in London; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 5 yrs · since 2021
- 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) | £2.2k | £207k | £1m | £115k |
| Cost of sales | £862 | £148k | £653k | £124k |
| Gross profit | £1.4k | £59k | £349k | −£8.5k |
| Operating profit | −£8.5k | £14.4k | £16k | −£88.5k |
| Profit before tax | −£8.5k | £14.4k | £16k | −£88.5k |
| Profit after tax | −£8.5k | £11.5k | £12.8k | −£88.5k |
| Profit (best available) | −£8.5k | £11.5k | £12.8k | −£88.5k |
| Employees (average) | 1 | 3 | 3 | 1 |
| Ratios | ||||
| Profit margin | −379% | 5.5% | 1.3% | −76.7% |
| Gross margin | 61.4% | 28.4% | 34.8% | −7.4% |
| Revenue per employee | £2.2k | £69.1k | £334k | £115k |
| Profit per employee | −£8.5k | £3.8k | £4.3k | −£88.5k |
| Growth (year on year) | ||||
| Revenue growth | — | ▲9198% | ▲383.1% | ▼88.5% |
| Profit growth | — | — | ▲11.3% | ▼791.1% |
| Headcount growth | — | ▲200% | 0% | ▼66.7% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £20.7k | £23.8k | £10.6k | £152 |
| Net assets | −£8.4k | £11.5k | £12.8k | −£5.7k |
| Fixed assets | £5.4k | £7k | £15.7k | £390 |
| Current assets | £20.7k | £23.8k | £10.6k | £152 |
| Source | Accounts · bulk data Oct 2023 | Accounts · bulk data Oct 2023 | FullAccounts · bulk data Jun 2024 | FullAccounts · bulk data Feb 2026 |
How the business works
- Profit margin
- −76.7%
- Profit ÷ revenue.
- Gross margin
- −7.4%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £115k
- Revenue ÷ average employees.
- Profit per employee
- −£88.5k
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 0.3%
- 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
- ▼145%
- Now −£5.7k
- Cash at bank
- ▼99%
- Now £152
- Headcount
- ▼67%
- Now 1
- Deferred income
- —
- Now —
- Fixed assets
- ▼98%
- Now £390
Similar profitable businesses
Sources
Latest figures from FullAccounts for the year to 31 Mar 2025 (profit −£88.5k), from the Companies House accounts bulk data published Feb 2026. Spotted an error? Request a correction.
Updated from Companies House on 23 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.