English for specific purposes Along with our Business English courses, we offer English for Specific Purposes, known as Class for English Specific Purposes (ESP). Our ESP classes focus on industry specific vocabulary and skills (such as writing, speaking or listening). Thus, you have the skills to be successful in your specific professional environment. We achieve this by teaching the necessary language through a variety of interactive tasks. These courses focus on the development of language skills and functions. Specifically, the skills necessary to successfully perform a set of work contexts and situations.