How much does Cerillion PLC make?

Cerillion PLC reported revenue of £45.4m and £16.6m profit in the year to 30 Sep 2025, according to its accounts filed at Companies House.

How many employees does Cerillion PLC have?

Cerillion PLC reported an average of 370 employees in the year to 30 Sep 2025.

Is Cerillion PLC profitable?

Yes — Cerillion PLC reported a profit of £16.6m in the year to 30 Sep 2025.

Company No. 09472870 · Incorporated 5 Mar 2015

Cerillion PLC

Registered name: CERILLION PLC

Cerillion PLC made £45.4m revenue and £16.6m profit in the year to 30 Sep 2025.

Cerillion PLC’s revenue grew 4% to £45.4m in the year to 30 Sep 2025, with £16.6m profit and 370 employees. The company is classified under “other telecommunications activities” and is based in London; we hold 2 years of its filed accounts.

Full P&L filedSection J · Information and communicationSIC 61900Other telecommunications activities

Status: Active
Location: London, London
Age: 11 yrs · since 2015
Type: Public Limited Company

Latest accounts · year to 30 Sep 2025

Key figures

IndependentOperating leverage

Revenue

£45.4m

Growth ▲3.7%

Profit

£16.6m

Growth ▲8.9%

Profit margin

36.6%

Gross 81.5%

Employees

370

Change ▲4.5%

Profit / employee

£44.9k

Revenue/employee £123k

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.

2 filed years

Financial history

Multi-year financials, oldest to newest
Year to	30 Sep 2024	30 Sep 2025
Disclosure	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£43.8m	£45.4m
Cost of sales	−£8.5m	−£8.4m
Gross profit	£35.2m	£37m
Operating profit	£18.4m	£20.6m
Profit before tax	£19.7m	£21.7m
Profit after tax	£15.3m	£16.6m
Profit (best available)	£15.3m	£16.6m
Employees (average)	354	370
Ratios
Profit margin	34.9%	36.6%
Gross margin	80.5%	81.5%
Revenue per employee	£124k	£123k
Profit per employee	£43.1k	£44.9k
Growth (year on year)
Revenue growth	—	▲3.7%
Profit growth	—	▲8.9%
Headcount growth	—	▲4.5%
Balance sheet — indirect signals, not revenue
Net assets	—	—
Source	Accounts · bulk data Feb 2026	Accounts · bulk data Feb 2026

Derived from the latest filing

How the business works

Profit margin: 36.6%; Profit ÷ revenue.
Gross margin: 81.5%; Gross profit ÷ revenue. High for software and services.
Revenue per employee: £123k; Revenue ÷ average employees.
Profit per employee: £44.9k; 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: ▲5%; Now 370
Deferred income: —; Now —
Fixed assets: —; Now —

Corporate ownership

Group structure

Subsidiaries (1)

Cerillion Technologies LimitedFigures not disclosed

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 accounts for the year to 30 Sep 2025 (profit £16.6m), from the Companies House accounts bulk data published Feb 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.