Isomer Capital LLP
Registered name: ISOMER CAPITAL LLP
Isomer Capital LLP made £4.1m revenue and £1.6m profit in the year to 31 Mar 2025.
Isomer Capital LLP’s revenue grew 9% to £4.1m in the year to 31 Mar 2025, with £1.6m profit and 9 employees. The company is based in London; we hold 2 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 11 yrs · since 2015
- Type
- Limited Liability Partnership
Partnership. Profit is shown before the partners' own pay, so margins aren't comparable with a limited company. It is excluded from our opportunity lists.
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Mar 2024 | 31 Mar 2025 |
|---|---|---|
| Disclosure | Full P&L | Full P&L |
| Profit & loss | ||
| Revenue (turnover) | £3.8m | £4.1m |
| Operating profit | £1.7m | £1.6m |
| Profit before tax | £1.7m | £1.6m |
| Profit after tax | £1.7m | £1.6m |
| Profit (best available) | £1.7m | £1.6m |
| Employees (average) | 9 | 9 |
| Ratios | ||
| Profit margin | 45% | 39.5% |
| Revenue per employee | £418k | £454k |
| Profit per employee | £188k | £179k |
| Cash conversion | 83.5% | 108% |
| Growth (year on year) | ||
| Revenue growth | — | ▲8.8% |
| Profit growth | — | ▼4.4% |
| Headcount growth | — | 0% |
| Balance sheet — indirect signals, not revenue | ||
| Cash at bank | £587k | £681k |
| Net assets | £604k | £836k |
| Fixed assets | £390k | £479k |
| Current assets | £987k | £1.2m |
| Debtors | £399k | £137k |
| Deferred income | £497k | £676k |
| Cash from operations | £1.4m | £1.7m |
| Source | FullAccounts · bulk data Nov 2025 | FullAccounts · bulk data Nov 2025 |
How the business works
- Profit margin
- 39.5%
- Profit ÷ revenue.
- Gross margin
- —
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £454k
- Revenue ÷ average employees.
- Profit per employee
- £179k
- Profit ÷ average employees.
- Cash conversion
- 108%
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 11.7%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 16.5%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 3.3%
- 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
- ▲39%
- Now £836k
- Cash at bank
- ▲16%
- Now £681k
- Headcount
- 0%
- Now 9
- Deferred income
- ▲36%
- Now £676k
- Fixed assets
- ▲23%
- Now £479k
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)
- Isomer Capital GP2 LLPFigures not disclosed
- Isomer Capital IV GP LimitedFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from FullAccounts for the year to 31 Mar 2025 (profit £1.6m), from the Companies House accounts bulk data published Nov 2025. 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.