Cision: Sustainalytics, a global leader in ESG and corporate governance research, ratings and analytics, today announced it has acquired GES International, a leading global provider of engagement, screening and fiduciary voting services to institutional investors. With the two firms uniting, pension funds and asset managers now have access to a full suite of trusted, high-quality pre- and post-investment products and services. The acquisition combines Sustainalytics' market leading ESG research and ratings with GES' extensive engagement and screening services.