Using WRDS to connect Sustainalytics data with CRSP securities data
About the Linking Method
Begin by matching CRSP with Compustat via the CCM (CRSP-Compustat Merge Database) product.
Then, after adding GVKEY to CRSP data, link to companies in Sustainalytics by using the procedure described in the Linking Sustainalytics with Compustat documentation.