Hogg Robinson Group grew revenues by 11 percent during the six months ending in September

, including a 12 percent rise in Europe, a 4.2 percent increase in North America and 18.2 percent growth in Asia-Pacific. "Our top ten clients account for 23 percent of our total revenue and, although banking is our most important sector, their employee travel accounts for less than 20 percent of our total revenue," according to HRG, which said it services more than 200 clients in more than one country.