This report is from this week's CNBC's UK Exchange newsletter. Like what you see? You can subscribe here. Compass is that rare beast — a British company that is a genuine world leader in its field. The world's biggest contract caterer, which annually serves 5.5 billion meals in schools, colleges, workplaces, hospitals and sporting venues in more than 25 countries, is considered a well-run business. Accordingly, its trading updates tend not to excite, routinely consisting of news on organic