How much does Sterigenics UK Limited make?

Sterigenics UK Limited reported revenue of £18.3m and £5.5m profit in the year to 31 Dec 2023, according to its accounts filed at Companies House.

How many employees does Sterigenics UK Limited have?

Sterigenics UK Limited reported an average of 83 employees in the year to 31 Dec 2023.

Is Sterigenics UK Limited profitable?

Yes — Sterigenics UK Limited reported a profit of £5.5m in the year to 31 Dec 2023.

Company No. 02587784 · Incorporated 1 Mar 1991

Sterigenics UK Limited

Registered name: STERIGENICS UK LIMITED

Part of Nelson Labs Nv group

Sterigenics UK Limited made £18.3m revenue and £5.5m profit in the year to 31 Dec 2023.

Sterigenics UK Limited’s revenue grew 11% to £18.3m in the year to 31 Dec 2023, with £5.5m profit and 83 employees. The company is classified under “other human health activities” and is based in Derbyshire; we hold 3 years of its filed accounts.

Full P&L filedSection Q · Human health and social workSIC 86900Other human health activities

Status: Active
Location: Derbyshire, East Midlands
Age: 35 yrs · since 1991
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.

Latest accounts · year to 31 Dec 2023

Key figures

Doing more with less

Revenue

£18.3m

Growth ▲11.1%

Profit

£5.5m

Growth ▲80%

Profit margin

30%

Gross 48.7%

Employees

Change ▲9.2%

Profit / employee

£66.2k

Revenue/employee £221k

Profitable streak

3yrs

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 to	31 Dec 2021	31 Dec 2022	31 Dec 2023
Disclosure	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£14m	£16.5m	£18.3m
Cost of sales	£8m	£8.4m	−£9.4m
Gross profit	£6.1m	£8.1m	£8.9m
Operating profit	£3.8m	£5.7m	£6.5m
Profit before tax	£4.1m	£4.4m	£6.8m
Profit after tax	£3.3m	£3.1m	£5.5m
Profit (best available)	£3.3m	£3.1m	£5.5m
Employees (average)	86	76	83
Ratios
Profit margin	23.3%	18.5%	30%
Gross margin	43.2%	49%	48.7%
Revenue per employee	£163k	£217k	£221k
Profit per employee	£37.9k	£40.2k	£66.2k
Growth (year on year)
Revenue growth	—	▲17.7%	▲11.1%
Profit growth	—	▼6.3%	▲80%
Headcount growth	—	▼11.6%	▲9.2%
Balance sheet — indirect signals, not revenue
Cash at bank	£3.2m	£3.1m	—
Net assets	£14.7m	£17.7m	—
Fixed assets	£27.2m	£28.9m	—
Current assets	£5m	£6.6m	—
Debtors	£1.3m	£2.6m	—
Deferred income	£317k	£512k	—
Source	FullAccounts · bulk data Dec 2023	FullAccounts · bulk data Dec 2023	Accounts · bulk data Feb 2025

Derived from the latest filing

How the business works

Profit margin: 30%; Profit ÷ revenue.
Gross margin: 48.7%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £221k; Revenue ÷ average employees.
Profit per employee: £66.2k; 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: ▲9%; Now 83
Deferred income: —; Now —
Fixed assets: —; Now —

Corporate ownership

Group structure

Ownership chain

Nelson Labs Nv (registered outside the UK register)ultimate parent75–100%
Sterigenics UK Limitedthis company

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

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 2023 (profit £5.5m), from the Companies House accounts bulk data published Feb 2025. Spotted an error? Request a correction.

Updated from Companies House on 19 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.