BT has selected Bigmouthmedia to provide search engine marketing for the BT's directory business unit.
The deal follows pitches from seven agencies and includes both paid for and natural search.
'We were impressed by Bigmouthmedia's wealth of knowledge of search disciplines and their approach inspired confidence. We believe that using one agency for both paid for and natural search will pay dividends for us,' said Nick Ratcliffe, general manager marketing and strategy, BT directories.
BT Tradespace is BT's growing online community incorporating a business directory and marketplace.
Customers can buy and sell products and services, find a business and network. Unlike a conventional business directory, members can use social media tools such as blogs, photos, videos and podcasts to promote their products and services.