Bite Communications has won the contract to handle PR for BT's third generation mobile phone licence in a final two-way pitch against fellow BT roster agency Band and Brown.
Although the final terms of the contract have yet to be thrashed out, the account is understood to carry annual fees in the region of pounds 250,000.
BT, through its BT Wireless subsidiary, paid just over pounds 4 billion for one of five third generation mobile licences in a government-run licence auction which raised over pounds 22 billion for state coffers.
The other four licences went to One2One, Orange, Vodafone and newcomer to the UK mobile market Hutchison 3G.
Most of the expanded wire-free services, carrying video footage to mobile phones, plan to kick-off in 2002.
Part-owned BT subsidiary Cellnet failed to win a licence but will continue to trade after 2002 without the right to sell third generation products.
Bite has put together a ten-strong account team, headed by group account director Chris Cartwright and overseen by board director Sheryl Seitz.
The team reports in to BT3G communications manager John Davies.
Seitz said the PR campaign would integrate youth and consumer marketing techniques with trade and technology PR and business-to-business work.