Austrian caterer DO&CO managed to raise its turnover and earnings in the first half of the current business year.The company, which is headed by Attila Dogudan, said today (Tues) its turnover soared by 21 per cent year on year between April and September 2010 to 222.7 million Euros. It added earnings before interest and taxes (Ebit) edged up by three per cent to 15.2 million Euros.The firms earnings before interest, taxes, depreciation and amortisation (Ebitda) improved by 25 per cent to 23.9 million Euros.DO&CO said turnover of its airline catering department rose from 134 to 171 million Euros in the first six months of the current business year. The company handles the on-board catering of Austrian Airlines (AUA) and other aviation firms.The Vienna-based firm was recently assigned to handle catering at the 2012 European Football Championship in Poland and the Ukraine. DO&CO was also in charge of catering for VIP guests and press at Euro2008 which was co-hosted by Austria and Switzerland.DO&CO hit the headlines last month by announcing plans to enter the Istanbul Stock Exchange (ISE). The company, which is already listed on the Vienna Stock Exchange (WBAG), said it has already issued a request to Turkish financial market authorities.