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Company No. 09873002 · Incorporated 16 Nov 2015

Ambulatory Surgery International Ltd

Registered name: AMBULATORY SURGERY INTERNATIONAL LTD

Ambulatory Surgery International Ltd made £95.4m revenue and £25.2m profit in the year to 31 Dec 2025.

Ambulatory Surgery International Ltd’s revenue grew 12% to £95.4m in the year to 31 Dec 2025, with £25.2m profit and 436 employees. The company is classified under “general medical practice activities” and is based in London; we hold 3 years of its filed accounts.

Full P&L filedSection Q · Human health and social workSIC 86210General medical practice activities
Status
Active
Location
London, London
Age
10 yrs · since 2015
Type
Private Limited Company
Latest accounts · year to 31 Dec 2025

Key figures

IndependentOperating leverage
Revenue
£95.4m
Growth ▲12.1%
Profit
£25.2m
Growth ▲251.1%
Profit margin
26.4%
Gross 64%
Employees
436
Change ▲13.3%
Profit / employee
£57.7k
Revenue/employee £219k
Profitable streak
2yrs
Consecutive profitable years in our data

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

3 filed years

Financial history

Multi-year financials, oldest to newest
Year to31 Dec 202331 Dec 202431 Dec 2025
DisclosureFull P&LFull P&LFull P&L
Profit & loss
Revenue (turnover)£71.4m£85.2m£95.4m
Cost of sales−£24.8m−£31.5m−£34.4m
Gross profit£46.6m£53.7m£61.1m
Operating profit£6.2m£13.8m£14.3m
Profit before tax£3m£11.7m£14.2m
Profit after tax−£482k£7.2m£25.2m
Profit (best available)−£482k£7.2m£25.2m
Employees (average)332385436
Ratios
Profit margin−0.7%8.4%26.4%
Gross margin65.3%63%64%
Revenue per employee£215k£221k£219k
Profit per employee−£1.5k£18.6k£57.7k
Growth (year on year)
Revenue growth—▲19.3%▲12.1%
Profit growth——▲251.1%
Headcount growth—▲16%▲13.3%
Balance sheet — indirect signals, not revenue
Net assets———
SourceAccounts · bulk data Oct 2025Accounts · bulk data Oct 2025Accounts · bulk data Aug 2026
Derived from the latest filing

How the business works

Profit margin
26.4%
Profit ÷ revenue.
Gross margin
64%
Gross profit ÷ revenue. High for software and services.
Revenue per employee
£219k
Revenue ÷ average employees.
Profit per employee
£57.7k
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
—
Now —
Cash at bank
—
Now —
Headcount
▲13%
Now 436
Deferred income
—
Now —
Fixed assets
—
Now —
Corporate ownership

Group structure

Subsidiaries (10)

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

Same industry, similar size

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Industry benchmarks →

Sources

Companies House profile Filing history & original accounts

Latest figures from accounts for the year to 31 Dec 2025 (profit £25.2m), from the Companies House accounts bulk data published Aug 2026. Spotted an error? Request a correction.

Updated from Companies House on 13 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.