Zurich, November 24, 2016. CEO Heinz B. Rothacher will be buying Complementa Investment-Controlling AG (Switzerland) and (Germany) outright as of December 1, 2016. Complementa is currently a subsidiary of State Street Financial Services GmbH, Frankfurt. Under its new ownership, Complementa will continue to operate from its three locations St. Gallen, Zurich and Frankfurt. The company’s goal is to continue with offering services related to the management of financial investment risks and to tap new customer groups with additional services.