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System1 Group
Marketing · Shoreham-by-Sea, United Kingdom · Founded 1999 · IPO 2006
Providing marketing and brand consultancy with proprietary market research MoreLess
System1 Research produces and predicts marketing which leads to profitable growth. Our behavioural science inspired methods saw us named Most Innovative Company by GreenBook six years in a row. We've now launched System1 Test Your Ad, a subscription service which marries effectiveness and media spend data on every US and UK TV ad in over 100 categories. It lets you benchmark your marketing and end wasted budget.
Talent graph
System1 Group's talent
Source: Dealroom Talent Intelligence.
Investors
2 investors on System1 Group's cap table
Sourced from Dealroom's funding and investor records.


Global footprint
Where System1 Group has talent and traffic
team presence
across markets
Market sentiment
What the market is saying about System1 Group
An AI-synthesized read of the highest-engagement posts about System1 Group on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.
Reading the room on X — pulling top posts and synthesizing themes…
Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour
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