Online agent eMoov and Gazeal, a system designed to eliminate gazumping, were among 50 contenders for Innovator of the Year.

The awards bash was held last night, with other nominees including Desolenator, a way of purifying water very cheaply, and LIC, a breakthrough in iced cocktails.

The eventual winner was a firm innovating postal addressing across the world.

The awards are designed to show London as a rival to Silicon Valley and as a seedbed for new technology start-ups.