17. eBuyer

This East Yorkshire-based e-tailer defied "competitive pressure" in the electronics market to post a 7.2 per cent rise in sales in its year to 31 December 2017, with net profits roughly flat at £995,000. However, it warned that Brexit is likely to "provide challenges", stressing that it may not be able to pass on the full extent of the "inevitable" price hikes associated with the impending event. Last October it launched a managed IT and cloud service aimed for business customers.