43. Spectrum Computer Supplies - £49.9m

The 2011 fiscal year was a solid one for the Bradford-based print and consumables specialist. Sales were up 3.4 per cent, while operating profit grew about five per cent to more than £3m. The company partners with more-or-less all of the top printer makers, including HP, Epson, Brother, Lexmark, Kyocera, OKI, Ricoh, Samsung and Canon. Spectrum operates a hybrid distributor-reseller model, selling to both end users and other VARs.