Revenue: £40.5m (+16%)
Net profit: 1.7%
Despite grumbling about falling computer prices and margins, this London-based Apple reseller managed to grow both its top and bottom lines in its year to 31 December 2017. Trams put its improving numbers down to continued growth in storage and its own in-house cloud services for the management of desktops, tablets and smartphones. During the year it acquired media technology solutions specialist NMR Consultancy.