How much does System1 Group PLC make?

System1 Group PLC reported revenue of £37m and £1.3m profit in the year to 31 Mar 2026, according to its accounts filed at Companies House.

Is System1 Group PLC profitable?

Yes — System1 Group PLC reported a profit of £1.3m in the year to 31 Mar 2026.

Company No. 05940040 · Incorporated 19 Sep 2006

System1 Group PLC

Registered name: SYSTEM1 GROUP PLC

System1 Group PLC made £37m revenue and £1.3m profit in the year to 31 Mar 2026.

System1 Group PLC’s revenue was £37m in the year to 31 Mar 2026, with £1.3m profit. The company is classified under “market research and public opinion polling” and is based in London; we hold 3 years of its filed accounts.

Full P&L filedSection M · Professional, scientific and technical activitiesSIC 73200Market research and public opinion polling

Status: Active
Location: London, London
Age: 20 yrs · since 2006
Type: Public Limited Company

Latest accounts · year to 31 Mar 2026

Key figures

Independent

Revenue

£37m

Growth —

Profit

£1.3m

Growth —

Profit margin

3.6%

Gross 87.3%

Employees

—

Change —

Profit / employee

—

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 Mar 2025	24 Sep 2025	31 Mar 2026
Disclosure	Full P&L	Full P&L	Full P&L
Profit & loss
Revenue (turnover)	£37.4m	£4.7m	£37m
Cost of sales	−£4.6m	—	−£4.7m
Gross profit	£32.9m	—	£32.3m
Operating profit	£5.3m	−£2.8m	£2.1m
Profit before tax	£5.3m	£2.2m	£2.1m
Profit after tax	£4.5m	£2.2m	£1.3m
Profit (best available)	£4.5m	£2.2m	£1.3m
Employees (average)	—	75	—
Ratios
Profit margin	11.9%	47.2%	3.6%
Gross margin	87.8%	—	87.3%
Revenue per employee	—	£63k	—
Profit per employee	—	£29.7k	—
Balance sheet — indirect signals, not revenue
Net assets	—	—	—
Source	Accounts · bulk data Oct 2026	Accounts · bulk data Oct 2025	Accounts · bulk data Oct 2026

Derived from the latest filing

How the business works

Profit margin: 3.6%; Profit ÷ revenue.
Gross margin: 87.3%; 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: —; Now —
Cash at bank: —; Now —
Headcount: —; Now —
Deferred income: —; Now —
Fixed assets: —; Now —

Corporate ownership

Group structure

Subsidiaries (3)

System1 Ad Ratings LimitedFigures not disclosed
System1 Agency LtdFigures not disclosed
System1 Research 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 31 Mar 2026 (profit £1.3m), from the Companies House accounts bulk data published Oct 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.