Sphinx AI Limited
Registered name: SPHINX AI LIMITED
Part of Caterham School groupSphinx AI Limited made £12 revenue and £11 profit in the year to 31 Jul 2024.
Sphinx AI Limited’s revenue was £12 in the year to 31 Jul 2024, with £11 profit. The company is classified under “primary education” and is based in Catherham; we hold 2 years of its filed accounts.
- Status
- Active
- Location
- Catherham
- Age
- 5 yrs · since 2020
- Type
- Private Limited Company
Key figures
Financial history
| Year to | 31 Jul 2023 | 31 Jul 2024 |
|---|---|---|
| Disclosure | Full P&L | Full P&L |
| Profit & loss | ||
| Revenue (turnover) | £0 | £12 |
| Cost of sales | £0 | £0 |
| Gross profit | £0 | £12 |
| Operating profit | £0 | £11 |
| Profit before tax | — | £11 |
| Profit after tax | £0 | £11 |
| Profit (best available) | £0 | £11 |
| Employees (average) | — | — |
| Ratios | ||
| Profit margin | — | 91.7% |
| Gross margin | — | 100% |
| Balance sheet — indirect signals, not revenue | ||
| Net assets | — | — |
| Source | Accounts · bulk data Mar 2025 | Accounts · bulk data Feb 2026 |
How the business works
- Profit margin
- 91.7%
- Profit ÷ revenue.
- Gross margin
- 100%
- 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
- Caterham Schoolultimate parent75–100%
- Sphinx AI Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (3)
- Hawthorns Educational Trust Limited (The)Rev. £8.4m · Profit £503k
- Caterham School International LimitedFigures not disclosed
- Copthorne School Trust LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from accounts for the year to 31 Jul 2024 (profit £11), from the Companies House accounts bulk data published Feb 2026. Spotted an error? Request a correction.
Updated from Companies House on 14 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.