SGS Group reported financial results for the first half of 2011. Total revenue grew 12.8% at constant currency rates to CHF 2.3 billion, driven by 9.7% organic growth and acquisitions contributing 3.1%. Adjusted operating income increased 12.0% at constant currency rates to CHF 374 million, with the margin remaining stable at 16.0%. The company expects solid top line growth of over 10% for 2011 along with increased investments lowering operating margins slightly compared to 2010.