The Enterprising Britain competition forms a key part of the Government's drive to increase entrepreneurial activity in the UK and will include a nationwide search to find the most enterprising place in the UK.
The agency retained the business after a four-way competitive pitch. Geronimo has won the account every year since 2005.
Enterprising Britain is run by Make Your Mark, on behalf of the Department for Business Enterprise and Regulatory Reform. It aims to provide inspiration to people to do more to support enterprise in the area.