Capstone Investment Advisors (UK), LLP
Registered name: CAPSTONE INVESTMENT ADVISORS (UK), LLP
Capstone Investment Advisors (UK), LLP made £60.6m revenue and £21.5m profit in the year to 31 Dec 2025. read from filing text
Capstone Investment Advisors (UK), LLP’s revenue grew 40% to £60.6m in the year to 31 Dec 2025, with £21.5m profit and 99 employees. The company is based in London; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 19 yrs · since 2007
- 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.
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: “The ultimate controlling party is P Britton (20”
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Dec 2022 | 31 Dec 2023 | 31 Dec 2024 | 31 Dec 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) | £39.8m | £50.1m | £43.2m | £60.6m |
| Cost of sales | £4.4m | £6.7m | £7.1m | £11.4m |
| Gross profit | £35.4m | £43.4m | £36.1m | £49.1m |
| Profit after tax | £23.8m | £30.4m | £18.8m | £21.5m |
| Profit (best available) | £23.8m | £30.4m | £18.8m | £21.5m |
| Employees (average) | 58 | 85 | 108 | 99 |
| Ratios | ||||
| Profit margin | 59.9% | 60.7% | 43.4% | 35.5% |
| Gross margin | 89% | 86.6% | 83.5% | 81.1% |
| Revenue per employee | £686k | £589k | £400k | £612k |
| Profit per employee | £411k | £358k | £174k | £217k |
| Growth (year on year) | ||||
| Revenue growth | — | ▲25.9% | ▼13.7% | ▲40.1% |
| Profit growth | — | ▲27.7% | ▼38.3% | ▲14.7% |
| Headcount growth | — | ▲46.6% | ▲27.1% | ▼8.3% |
| Balance sheet — indirect signals, not revenue | ||||
| Net assets | — | — | — | — |
| Source | FullAccounts · bulk data Sep 2024 | FullAccounts · bulk data Sep 2024 | FullAccounts · bulk data Jul 2025 | FullAccounts · bulk data Sep 2026 |
How the business works
- Profit margin
- 35.5%
- Profit ÷ revenue.
- Gross margin
- 81.1%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £612k
- Revenue ÷ average employees.
- Profit per employee
- £217k
- 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
- ▼8%
- Now 99
- Deferred income
- —
- Now —
- Fixed assets
- —
- Now —
Group structure
Subsidiaries (1)
- Capstone Investment Advisors Foundation UKFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
Sources
Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £21.5m), from the Companies House accounts bulk data published Sep 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.