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System1 rebuffs latest £43m Brave Bison takeover bid

Published: August 28, 2026 at 8:08 am

Author: Jonathan Symcox

System1 Group plc has rejected another £43.1 million takeover bid from fellow listed firm Brave Bison.

The board of the marketing effectiveness research company, founded 25 years ago, said it had rejected the third offer from Brave Bison, which is its largest shareholder.

The first approach from Brave Bison, parent company of SocialChain, was an all-share affair, while the second contained a cash component. The third increased the cash component but not the value of the offer.

This week Brave Bison reported a doubling of revenue and adjusted EBITDA in its latest half-year results – to £23.9m and £4.5m respectively.

For the six months ending 30th June 2026, it also grew adjusted profit before tax to £4.1m from £1.9m.

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