22. Banner

Key points

Revenue: £153m (+114%)

Net profit: 0.5%

Staff: 243

Starting life 200 years ago when it was part of Her Majesty's Stationery Office, Sheffield-based Banner claims it is now the UK's largest reseller of workplace products, holding stock in excess of £50m and making 18,000 deliveries from a fleet of 350 vehicles per day. It recently launched a dedicated technology website offering HP printers, Acer and Lenovo laptops and mobile handsets. Revenues for its year to 31 December 2017 more than doubled as it brought its Banner and Supplies Team arms into one legal entity. Net profits rose from £628,000 to £826,000.