King's Fertility Limited
Registered name: KING'S FERTILITY LIMITED
Part of The Fetal Medicine Foundation groupKing's Fertility Limited made £15.2m revenue and £16.1k profit in the year to 31 Mar 2025.
King's Fertility Limited’s revenue grew 10% to £15.2m in the year to 31 Mar 2025, with £16.1k profit and 82 employees. The company is classified under “other human health activities” and is based in London; we hold 4 years of its filed accounts.
- Status
- Active
- Location
- London, London
- Age
- 9 yrs · since 2017
- Type
- Private Limited Company
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 company's immediate parent undertaking and controlling party is The Fetal Medicine Foundation, a Registered Charity incorporated in the United Kingdom that owns 90% of the ordinary shareholding of”
Key figures
Badges are automated estimates derived from the filed figures — not statements of fact about the company.
Financial history
| Year to | 31 Mar 2022 | 31 Mar 2023 | 31 Mar 2024 | 31 Mar 2025 |
|---|---|---|---|---|
| Disclosure | Full P&L | Full P&L | Full P&L | Full P&L |
| Profit & loss | ||||
| Revenue (turnover) | £10.4m | £11.6m | £13.8m | £15.2m |
| Cost of sales | £3m | £3.3m | £4.2m | £4.5m |
| Gross profit | £7.5m | £8.3m | £9.6m | £10.6m |
| Operating profit | £108k | £121k | £168k | £198k |
| Profit before tax | £108k | £121k | £168k | £198k |
| Profit after tax | −£21.6k | −£12.9k | −£8.6k | £16.1k |
| Profit (best available) | −£21.6k | −£12.9k | −£8.6k | £16.1k |
| Staff costs | £3.2m | £3.7m | £4.6m | £5.3m |
| Employees (average) | — | 62 | 74 | 82 |
| Ratios | ||||
| Profit margin | −0.2% | −0.1% | −0.1% | 0.1% |
| Gross margin | 71.8% | 71.2% | 69.8% | 70% |
| Revenue per employee | — | £187k | £187k | £185k |
| Profit per employee | — | −£207 | −£116 | £196 |
| Growth (year on year) | ||||
| Revenue growth | — | ▲11.1% | ▲19% | ▲9.7% |
| Headcount growth | — | — | ▲19.4% | ▲10.8% |
| Balance sheet — indirect signals, not revenue | ||||
| Cash at bank | £649k | £321k | £544k | £721k |
| Net assets | £423k | £410k | £352k | £368k |
| Fixed assets | £8.5m | £7.8m | £7.2m | £6.6m |
| Current assets | £1.2m | £1.1m | £2m | £2.3m |
| Debtors | £388k | £686k | £1.3m | £1.3m |
| Deferred income | £35.7k | £44.9k | £41.9k | £39.5k |
| Source | FullAccounts · bulk data Apr 2024 | FullAccounts · bulk data Apr 2024 | FullAccounts · bulk data Dec 2024 | FullAccounts · bulk data Dec 2025 |
How the business works
- Profit margin
- 0.1%
- Profit ÷ revenue.
- Gross margin
- 70%
- Gross profit ÷ revenue. High for software and services.
- Revenue per employee
- £185k
- Revenue ÷ average employees.
- Profit per employee
- £196
- Profit ÷ average employees.
- Cash conversion
- —
- Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
- Fixed assets ÷ revenue
- 43.4%
- Capital intensity. Low = capital-light, cheaper to start.
- Deferred income ÷ revenue
- 0.3%
- Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
- Debtors ÷ revenue
- 8.8%
- 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
- ▲5%
- Now £368k
- Cash at bank
- ▲33%
- Now £721k
- Headcount
- ▲11%
- Now 82
- Deferred income
- ▼6%
- Now £39.5k
- Fixed assets
- ▼9%
- Now £6.6m
Deferred income is reported together with accruals in this filing (“accruals and deferred income”), so it is an approximate signal only.
Group structure
Ownership chain
- The Fetal Medicine Foundationultimate parent75–100%
- King's Fertility Limitedthis company
Bands show the share of ownership each company holds in the one below it.
Sister companies (2)
- The Fetal Medicine Centre LimitedFigures not disclosed
- Windsor WalkFigures not disclosed
From the Persons with Significant Control register (corporate controllers only).
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Sources
Latest figures from FullAccounts for the year to 31 Mar 2025 (profit £16.1k), from the Companies House accounts bulk data published Dec 2025. Spotted an error? Request a correction.
Updated from Companies House on 24 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.