Arena Media, a media planning and buying agency has secured a major business win from financial spread betting business City Index.

City Index has ambitious growth plans for 2012 and has charged the agency with helping expand its customer base in its key markets.

Arena Media’s Business Director, Chris Armond, said: “City Index is an exciting new client with big ambitions to grow their business.  We believe our performance-based approach and their willingness to think differently is the perfect way to help them realise their ambitious targets.”

As well as the UK account, Arena Media will service Poland, Germany, Singapore and Australia across offline and online channels including TV, Press, Outdoor, Display and Email.

Paul Cassidy, Global Head of Marketing at City Index, said: “Arena Media demonstrated a deep understanding of our business and its challenges.  We were hugely impressed with their data management and insightful approach.”

The appointment bolsters Arena Media’s impressive client list which includes Domino’s Pizza, Betfair, Mirror Group, TK Maxx, Thomas Cook, ESPN, AXA and Legal and General.