Semmle Limited is a British software analytics company known for a product originally called SemmleCode, a static software analysis package. It can be used to find programming bug patterns, to compute software metrics, and to enforce coding conventions. All these tasks can be formulated as queries in an object-oriented query language named .QL.The company is headquartered in Blue Boar Court, Alfred Street, central Oxford, England and customers include Citi, Credit Suisse, NASA and Dell.