Sen 1 Limited
Registered name: SEN 1 LIMITED
Part of Rubicone Topco Limited groupSen 1 Limited made £0 revenue and £1.4m profit in the year to 31 Aug 2025. read from filing text
Sen 1 Limited’s revenue was £0 in the year to 31 Aug 2025, with £1.4m profit and 3 employees. The company is classified under “primary education” and is based in Pentwyn; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- Pentwyn, Wales
- Age
- 8 yrs · since 2018
- Type
- Private Limited Company
Pass-through vehicle. This looks like a holding, staffing or umbrella company. Its revenue and profit may largely pass through to or from other entities, so the figures may not reflect a standalone operating business. It is excluded from our opportunity lists.
Part of a group. The filing indicates this company sits within a group structure, so its results may depend on intra-group trading and it may be hard to replicate independently. From the filing: “Sunlight Education Nucleus Limited”
Key figures
Unusual figures. Profit is higher than revenue in this filing. That usually means investment income, dividends from subsidiaries or one-off gains — or a mis-tagged figure. Check the original filing before drawing conclusions.
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Aug 2022 | 31 Aug 2023 | 31 Aug 2024 | 31 Aug 2025 |
|---|---|---|---|---|
| Disclosure | Full P&Lread from filing text | Full P&Lread from filing text | Full P&Lread from filing text | Full P&Lread from filing text |
| Profit & loss | ||||
| Revenue (turnover) | £0 | £0 | £0 | £0 |
| Gross profit | £0 | £0 | — | — |
| Operating profit | −£1.8k | −£3.8k | −£3.4k | −£4.4k |
| Profit before tax | −£2.4k | −£8.1k | £36.5m | £1.8m |
| Profit after tax | −£2.4k | −£173 | £36.5m | £1.4m |
| Profit (best available) | −£2.4k | −£173 | £36.5m | £1.4m |
| Employees (average) | 2 | 2 | 3 | 3 |
| Ratios | ||||
| Profit margin | — | — | — | — |
| Revenue per employee | £0 | £0 | £0 | £0 |
| Profit per employee | −£1.2k | −£86 | £12.2m | £453k |
| Growth (year on year) | ||||
| Profit growth | — | — | — | ▼96.3% |
| Headcount growth | — | 0% | ▲50% | 0% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £194 | £1.9k | £16.5k | — |
| Net assets | −£39.5k | −£39.7k | £36.5m | £37.8m |
| Current assets | £4.6m | £4.9m | £41m | £42.5m |
| Debtors | £4.6m | £4.9m | £40.9m | −£42.5m |
| Source | Accounts · bulk data May 2024 | Accounts · bulk data May 2024 | FullAccounts · bulk data May 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
- £0
- Revenue ÷ average employees.
- Profit per employee
- £453k
- 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
- ▲4%
- Now £37.8m
- Cash at bank
- —
- Now —
- Headcount
- 0%
- Now 3
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Ownership chain
- Rubicone Topco Limitedultimate parent75–100%
- Rubicone Midco Limited75–100%
- Rubicone Finco Limited75–100%
- Rubicone Bidco Limited75–100%
- Shine Bidco Limited75–100%
- Sunlight Education Nucleus Limited75–100%
- Sen 1 Limitedthis company
Bands show the share of ownership each company holds in the one below it.
From the Persons with Significant Control register (corporate controllers only).
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Sources
Latest figures from FullAccounts for the year to 31 Aug 2025 (profit £1.4m), 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.