
The agency will be responsible for advertising, digital and direct marketing for the insurer.
Inferno, the incumbent, did not make it to the final pitchlist.
The media account, run by Tri-Direct, is expected to be unaffected by the appointment.
Hiscox, which specialises in unusual forms of insurance such as kidnapping and ransom cover, previously relied on word-of-mouth marketing to promote its products.
However, in 2006, the insurer announced it was increasing its marketing spend from £400,000 to £10 million in a bid to raise its profile in the mainstream UK insurance market.