Revenue: £212.2m (+5%)
Net profit margin: 0.5% Staff: 233
This East Yorkshire-based e-tailer defied "competitive pressures" to record a five per cent revenue rise in its year to 31 December 2018, with net profits holding steady at just below £1m. It claims the accuracy with which its system picks and ships the correct order remains above 99.9 per cent. The business section of its website is currently pushing HPE ProLiant servers, as well as HP large-format printers and Microsoft Office 365 Business Premium.