System1 Group PLC (SYS1)

Industry Advertising Agencies
This stock can be held in an Investment ISA, SIPP and Investment Account
Sell

230.00p

Buy

250.00p

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Prices updated at 18 Dec 2025, 10:00 GMT
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Prices in GBX
System1 Group PLC provides online market research services. Its flagship services include System1 Ad Testing and Brand Tracking. It operates in the US, United Kingdom, Continental Europe, Asia, Brazil and Australia.
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Sector
Communication Services
Industry
Advertising Agencies
Chairman
Mr. Rupert Cortlandt Spencer Howell
CEO
Mr. James Alexander Gregory
Most recent earnings
31 Mar 2025
Fiscal year end
31 Mar 2025
Employees
191
Head office
26 Hatton Garden
London
United Kingdom
EC1N 8BR
mobile
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letter
investorrelations@system1group.com
computer
Company website

Key personnel

Owner name
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Salary
Ms. Sophie Alice Tomkins
Non-Executive Director, Senior Independent Director
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Mr. Rupert Cortlandt Spencer Howell
Non-Executive Director, Chairman
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Mr. John Victor Kearon
Non-Executive Director
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Mr. Conrad Christian Bona
Non-Executive Director
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Mr. Philip James Machray
Non-Executive Director
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Mr. Christopher Patrick Willford
Executive Director, Chief Financial Officer
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Mr. James Alexander Gregory
Executive Director, Chief Executive Officer
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Top 5 shareholders

Owner name
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No. of shares
Herald Investment Management Ltd595,111
Herald Investment Trust595,111
Octopus Investments Limited310,782
FP Octopus UK Micro Cap Growth Fund310,782
AXA Investment Managers UK Ltd295,772

Director dealings

Date
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Action
06 Oct 2025Purchase
29 Sep 2025Purchase
29 Sep 2025Purchase
25 Sep 2025Purchase
15 Sep 2025Transfer out
15 Sep 2025Transfer in
08 Aug 2025Purchase
Please note that past performance is not a reliable indicator of future returns.


Important Information

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