Leo Burnett won the business in a pitch process run by Agency Insight. It beat MullenLowe London to the account.
Leo Burnett will deliver a digital-first strategy and a global creative platform for Betsson.com.
Key markets will include Sweden, Norway, Finland, Germany, Brazil, Peru and the Netherlands.
Betsson Group currently works with a variety of agencies, including Crispin Porter & Bogusky Scandinavia, which works on the group’s Betsafe brand.
The aim of the pitch was to consolidate and appoint a global hub for Betsson.com.