How much does Critical Software Ltd make?

Critical Software Ltd reported revenue of £12.6m and £2.1m profit in the year to 31 Dec 2025, according to its accounts filed at Companies House.

How many employees does Critical Software Ltd have?

Critical Software Ltd reported an average of 25 employees in the year to 31 Dec 2025.

Is Critical Software Ltd profitable?

Yes — Critical Software Ltd reported a profit of £2.1m in the year to 31 Dec 2025.

Company No. 05256049 · Incorporated 12 Oct 2004

Critical Software Ltd

Registered name: CRITICAL SOFTWARE LTD

Part of Critical Software Sa group

Critical Software Ltd made £12.6m revenue and £2.1m profit in the year to 31 Dec 2025. read from filing text

Critical Software Ltd’s revenue fell 15% to £12.6m in the year to 31 Dec 2025, with £2.1m profit and 25 employees. The company is classified under “other information technology service activities” and is based in Southampton; we hold 4 years of its filed accounts.

Full P&L filedSection J · Information and communicationSIC 62090Other information technology service activities

Status: Active
Location: Southampton, South East
Age: 22 yrs · since 2004
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: “Parent Company”

Latest accounts · year to 31 Dec 2025

Key figures

Capital-lightCash flow filed

Revenue

£12.6m

Growth ▼15.1%

Profit

£2.1m

Growth ▼32.8%

Profit margin

16.9%

Gross 37.7%

Employees

Change ▼16.7%

Profit / employee

£85.4k

Revenue/employee £504k

Profitable streak

4yrs

Consecutive profitable years in our data

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 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)	£13.6m	£13.7m	£14.9m	£12.6m
Cost of sales	£9.7m	£9.6m	£8.9m	£7.9m
Gross profit	£3.9m	£4.1m	£6m	£4.7m
Operating profit	£1.5m	£2.1m	£4.2m	£2.8m
Profit before tax	£1.5m	£2.1m	£4.2m	£2.9m
Profit after tax	£1.3m	£1.6m	£3.2m	£2.1m
Profit (best available)	£1.3m	£1.6m	£3.2m	£2.1m
Staff costs	£1.9m	£2.3m	£2m	£1.7m
Employees (average)	30	33	30	25
Ratios
Profit margin	9.3%	11.6%	21.4%	16.9%
Gross margin	28.9%	29.8%	40.3%	37.7%
Revenue per employee	£454k	£416k	£495k	£504k
Profit per employee	£42.4k	£48.2k	£106k	£85.4k
Cash conversion	−87.8%	−129.3%	—	−134.4%
Growth (year on year)
Revenue growth	—	▲1%	▲8.1%	▼15.1%
Profit growth	—	▲25.2%	▲99.4%	▼32.8%
Headcount growth	—	▲10%	▼9.1%	▼16.7%
Balance sheet — indirect signals, not revenue
Cash at bank	£4.1m	£5.5m	£4.1m	£6.9m
Net assets	£6m	£6.6m	£5.1m	£7.2m
Fixed assets	£62.7k	£56.6k	£68.2k	£96.1k
Current assets	£8.9m	£10.1m	£7.9m	£9.8m
Debtors	£2.6m	£3.6m	£2.6m	£1.9m
Deferred income	£438k	£975k	£402k	£930k
Cash from operations	−£1.3m	−£2.7m	—	−£3.8m
Source	FullAccounts · bulk data Jun 2024	FullAccounts · bulk data Jun 2024	FullAccounts · bulk data Feb 2025	FullAccounts · bulk data Sep 2026

Derived from the latest filing

How the business works

Profit margin: 16.9%; Profit ÷ revenue.
Gross margin: 37.7%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £504k; Revenue ÷ average employees.
Profit per employee: £85.4k; Profit ÷ average employees.
Cash conversion: −134.4%; Cash generated from operations ÷ operating profit. Needs a cash-flow statement.
Fixed assets ÷ revenue: 0.8%; Capital intensity. Low = capital-light, cheaper to start.
Deferred income ÷ revenue: 7.4%; Customers paying upfront (subscriptions, deposits). Approximate when combined with accruals.
Debtors ÷ revenue: 15.4%; 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: ▲42%; Now £7.2m
Cash at bank: ▲71%; Now £6.9m
Headcount: ▼17%; Now 25
Deferred income: ▲132%; Now £930k
Fixed assets: ▲41%; Now £96.1k

Corporate ownership

Group structure

Ownership chain

Critical Software Sa (registered outside the UK register)ultimate parent75–100%
Critical Software Ltdthis 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).

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Sources

Companies House profile Filing history & original accounts

Latest figures from FullAccounts for the year to 31 Dec 2025 (profit £2.1m), 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.