Adam&eveDDB has won the IPA Effectiveness Awards Grand Prix for its long-term emotional brand-building campaign for McCain. The award was announced at a ceremony on October 7th.

The campaign, which spanned nine years, successfully strengthened McCain’s brand, reduced price sensitivity and increased profits, resulting in a 56% sales growth and a return of £1.48 for every £1 invested.

In addition to the Grand Prix, the campaign also won The Channon Prize for Best New Learning and a Gold award, and adam&eveDDB was named Effectiveness Company of the Year.

Read more about the remarkable achievements here.