System1 Group PLC (formerly BrainJuicer), has pioneered the use of behavioural science to produce and predict marketing guaranteed to drive profitable growth. System1 Group was founded in 2000 by CEO John Kearon, and is publicly traded on London's AiM (Alternative Investment Market). System1 Group is headquartered in London with offices across Europe, in North America, Brazil, China, Singapore, and Australia. For more information go to www.system1group.com. System1 Research was founded in 2000 and pioneered the use of behavioural science to better predict marketing that guarantees profitable growth. It’s been named ‘Most Innovative Company’ by GreenBook (5 years in a row), Best Research Agency by Marketing Magazine and twice received ESOMAR's Best Methodology award. System1 Agency was founded in 2016 and is pioneering the use of behavioural science to consistently produce advertising that guarantees profitable growth. It is already working with a number of multinationals on campaigns to be aired in 2017.
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The System1Group annual revenue was $33.2 million in 2026.
9 people are employed at System1Group.
The NAICS codes for System1Group are [541910, 54191, 5419, 54, 541].
The SIC codes for System1Group are [87, 873].