Sedna Communications Ltd
Registered name: SEDNA COMMUNICATIONS LTD
Sedna Communications Ltd made a £10.7m loss in the year to 31 May 2025 (revenue not disclosed).
Sedna Communications Ltd reported a loss of £10.7m in the year to 31 May 2025; its revenue was not disclosed. It had 82 employees. The company is classified under “business and domestic software development” and is based in London; we hold 3 years of its filed accounts.
- Status
- Active
- Location
- London
- Age
- 5 yrs · since 2021
- Type
- Private Limited Company
Key figures
This company published its profit but not its turnover, so revenue and margins are not disclosed. We never estimate them.
Financial history
| Year to | 31 May 2023 | 31 May 2024 | 31 May 2025 |
|---|---|---|---|
| Disclosure | Profit only | Profit only | Profit only |
| Profit & loss | |||
| Revenue (turnover) | — | — | — |
| Profit after tax | −£22.3m | −£16.4m | −£10.7m |
| Profit (best available) | −£22.3m | −£16.4m | −£10.7m |
| Employees (average) | 125 | 100 | 82 |
| Ratios | |||
| Profit margin | — | — | — |
| Profit per employee | −£179k | −£164k | −£131k |
| Growth (year on year) | |||
| Headcount growth | — | ▼20% | ▼18% |
| Balance sheet — indirect signals, not revenue | |||
| Cash at bank | £1.5m | £6.1m | £836k |
| Net assets | £4m | £8.4m | £12.7m |
| Current assets | £24.2m | £41m | £77m |
| Debtors | £798k | £2.1m | £452k |
| Deferred income | £381k | £332k | £598k |
| Cash from operations | £21.3m | £15m | £4.2m |
| Source | FullAccounts · bulk data Feb 2025 | FullAccounts · bulk data Feb 2025 | FullAccounts · bulk data May 2026 |
How the business works
- Profit margin
- —
- Profit ÷ revenue.
- Gross margin
- —
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- —
- Revenue ÷ average employees.
- Profit per employee
- −£131k
- 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
- ▲52%
- Now £12.7m
- Cash at bank
- ▼86%
- Now £836k
- Headcount
- ▼18%
- Now 82
- Deferred income
- ▲80%
- Now £598k
- Fixed assets
- —
- Now —
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
Group structure
Subsidiaries (2)
- Sedna Systems Europe LimitedRev. £9.5m · Profit −£3.7m
- Sedna Intermediate Holdco 1 LtdFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from FullAccounts for the year to 31 May 2025 (profit −£10.7m), from the Companies House accounts bulk data published May 2026. 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.