Businesses have increased their productivity by up to 50% by having staff trained by a professional computer trainer, - showing short-cuts and several ways to save time - As an experienced IT trainer, Melanie Berenblut has years of experience training people at all levels in schools, universities and colleges throughout London, including Brent, Barnet,Harrow, Edgware, NW London, Kingsbury, Queensbury, Wembley and Colindale.