Boston Consulting Group, a global strategy consultancy, agreed to acquire Quantis, an operator of environmental sustainability consultancy firm. Financial terms were not disclosed. “Bringing together Quantis and BCG is an exciting step in strengthening our ability to help clients protect our planet and transform sustainably. Many of the CEOs I speak to want to take action but are looking for the kind of deep expertise our Quantis team offers to solve their complex problems. I am proud to welcome this accomplished and passionate team to BCG," Christoph Schweizer, BCG CEO.