EE will bring 4G to another 27 locations in the UK including Blackpool, Colchester and Woking by the summer as it seeks to extend its market lead over rivals O2, Vodafone and Three.
The firm's 4G network has been live since November 2012 and has gradually been extended over time as it seeks to capitalise on its head start over rivals O2 and Vodafone.
The new locations will be live by June 2013, around the same time its rivals should first be bringing their services to market, with cities including Huddersfield, Leatherhead, Maidstone and Oldham also coming online.
EE also revealed a number of high-profile business customers using its network including Microsoft, Sony and Gatwick Airport, as well as Foxtons, Addison Lee and Morrisons supermarket.
Microsoft is said to be using 4G for its mobile workforce, Foxtons to allow agents to update their property database remotely and Addison Lee are trailing it to offer in-car internet services.
"To see UK businesses already benefitting from 4G after such a short time is great news," said EE chief executive Olaf Swantee.
"Demand from small, medium, large and public sector organisations across the nation has been very positive since we launched 4GEE."
The firm had made business use of its network one of the core focus areas of its trials for 4G before the network went live, as it sees the market as key for 4G uptake by enabling better remote working and data access.
EE said late last year that customers were receiving speeds of around 6Mbit/s, on average, and as high as 30Mbit/s in some locations, far higher than typical 3G connection speeds.
Auctions for new 4G spectrum are currently taking place behind closed doors with the winning bidders likely to be revealed by March and networks live by around the summer.
Dan Worth is the news editor for V3 having first joined the site as a reporter in November 2009. He specialises in a raft of areas including fixed and mobile telecoms, data protection, social media and government IT. Before joining V3 Dan covered communications technology, data handling and resilience in the emergency services sector on the BAPCO Journal.