How many employees does London Sperm Bank Limited have?

London Sperm Bank Limited reported an average of 0 employees in the year to 31 Oct 2025.

Is London Sperm Bank Limited profitable?

Yes — London Sperm Bank Limited reported a profit of £753k in the year to 31 Oct 2025.

Company No. 05925090 · Incorporated 5 Sep 2006

London Sperm Bank Limited

Registered name: LONDON SPERM BANK LIMITED

London Sperm Bank Limited made £753k profit in the year to 31 Oct 2025 (revenue not disclosed).

London Sperm Bank Limited reported £753k profit in the year to 31 Oct 2025, up 218% on the year before; its revenue was not disclosed. It had 0 employees. The company is classified under “general medical practice activities” and is based in London; we hold 4 years of its filed accounts.

Profit onlySection Q · Human health and social workSIC 86210General medical practice activities

Status: Active
Location: London, London
Age: 20 yrs · since 2006
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 parent company of London Sperm Bank Limited is London Women's Hospital Limited.”

Latest accounts · year to 31 Oct 2025

Key figures

Small team

Revenue

—

Not disclosed in filing

Profit

£753k

Growth ▲218.3%

Profit margin

—

Employees

Change —

Profit / employee

—

Profitable streak

2yrs

Consecutive profitable years in our data

This company published its profit but not its turnover, so revenue and margins are not disclosed. We never estimate them.

Badges are automated estimates derived from the filed figures — not statements of fact about the company.

4 filed years

Financial history

Multi-year financials, oldest to newest
Year to	31 Oct 2022	31 Oct 2023	31 Oct 2024	31 Oct 2025
Disclosure	Profit only	Profit only	Profit only	Profit only
Profit & loss
Revenue (turnover)	—	—	—	—
Profit after tax	£298k	−£132k	£237k	£753k
Profit (best available)	£298k	−£132k	£237k	£753k
Employees (average)	0	0	0	0
Ratios
Profit margin	—	—	—	—
Growth (year on year)
Profit growth	—	▼144.4%	—	▲218.3%
Balance sheet — indirect signals, not revenue
Cash at bank	£162k	£111k	£162k	£256k
Net assets	£498k	£67.7k	£304k	£1m
Fixed assets	£153k	£560k	£586k	£616k
Current assets	£1.3m	£786k	£912k	£1.6m
Debtors	£20.8k	£21k	£14.4k	£29.3k
Source	Accounts · bulk data Mar 2024	Accounts · bulk data Mar 2024	FullAccounts · bulk data Jul 2025	FullAccounts · bulk data Jun 2026

Derived from the latest filing

How the business works

Profit margin: —; Profit ÷ revenue.
Gross margin: —; 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.

Indirect — not revenue

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: ▲230%; Now £1m
Cash at bank: ▲58%; Now £256k
Headcount: —; Now 0
Deferred income: —; Now —
Fixed assets: ▲5%; Now £616k

Corporate ownership

Group structure

Ownership chain

J D Healthcare Limitedultimate parent75–100%
London Women's Hospital Limited75–100%
London Sperm Bank Limitedthis company

Bands show the share of ownership each company holds in the one below it.

Sister companies (1)

The London Egg Bank LimitedRev. — · Profit £952k

From the Persons with Significant Control register (corporate controllers only).

Same industry, similar size

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Oct 2025 (profit £753k), from the Companies House accounts bulk data published Jun 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.