Tech tester Calnex to raise £22.5m through Aim listing

A technology testing company to corporate giants BT and Facebook is poised to raise £22.5m through a listing on London’s junior market. Calnex plans to float on Aim at the beginning of October, with an oversubscribed placing valuing the company at £42m on admission. The business, based in West Lothian, Scotland, designs and manufactures testing equipment for telecoms companies looking to check the performance of their networks. It hopes to take advantage of the rollout of 5G, t