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SYSTEM1 GROUP PLC — Investor Relations & Filings

Ticker · SYS1 ISIN · GB00B1GVQH21 LEI · 213800TDLR42C3Q9ZB74 IL Professional, scientific and technical activities
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Filings indexed 255 across all filing types
Latest filing 2026-05-01 Regulatory Filings
Country GB United Kingdom
Listing IL SYS1

About SYSTEM1 GROUP PLC

https://system1group.com/

System1 Group PLC is a global marketing effectiveness company that operates a creative effectiveness platform. The company specializes in predicting the commercial impact of advertising and innovation by measuring consumers' emotional responses. Its proprietary market research and consultancy services are grounded in behavioral science, enabling brands to make faster, more informed decisions to drive profitable growth. Key offerings include ad testing, brand tracking, and the evaluation of new products, concepts, packaging, and claims. The platform benchmarks creative work against a large global database to predict in-market performance and improve marketing outcomes.

Recent filings

Filing Released Lang Actions
Holding(s) in Company
Regulatory Filings
2026-05-01 English
Relationship Agreement with Brave Bison
Governance Information Classification · 1% confidence The document is an RNS announcement by System1 Group PLC concerning a Relationship Agreement with a significant shareholder (Brave Bison) that sets out governance provisions, board observer rights, independence covenants, and confidentiality rules. It does not report financial results, a board appointment or management change, nor announce a formal published report; instead, it details internal governance arrangements. This best fits the “Governance Information” category (CGR).
2026-04-21 English
Q4 and Full Year Trading Update
Earnings Release Classification · 1% confidence The document is a trading update issued via RNS (UK regulatory news service) providing unaudited Q4 and full year FY26 financial highlights, strategic progress and outlook. It is an initial earnings announcement/trading update rather than a full statutory Annual Report or Interim Report, and contains headline metrics (revenue, adjusted EBITDA, outlook), consistent with an Earnings Release. Therefore, it best fits the "ER" category. FY 2026
2026-04-21 English
Launch of next evolution of Test Your Ad platform
Regulatory Filings Classification · 1% confidence The document is a Reach announcement (non-regulatory press release) distributed via RNS. It is a product update/marketing release about new features of the 'Test Your Ad' platform and does not contain financial results, governance changes, or other specific report content. It does not fit any specialized category, so it falls into the fallback category for general regulatory/miscellaneous announcements.
2026-04-09 English
Holding(s) in Company
Major Shareholding Notification Classification · 1% confidence The document is a TR-1 form (“Standard form for notification of major holdings”) providing detailed information about a shareholder (POLO CAPITAL, SIL, S.A.) crossing the 5% voting rights threshold in System1 Group PLC. It is a notification of a change in significant share ownership, matching the definition of “Major Shareholding Notification” (MRQ).
2026-03-30 English
Director/PDMR Shareholding
Director's Dealing Classification · 1% confidence The document is a notification under Article 19 of EU Market Abuse Regulation detailing a share purchase by a Non-Executive Director (Conrad Bona). This is a personal transaction by a PDMR (insider) in the company’s shares, which clearly falls under the “Director's Dealing” category.
2026-03-30 English

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