Enterprise series is designed for learners of English at secondary level.

Enterprise 3, Enterprise Plus Pre-Intermediate and Enterprise 4 each consist of four modules and are designed for learners of English at secondary level. The coursebooks are designed to provide systematic preparation in all the skills required for successful communication, both in written and spoken form. The material is clearly structured and easy to use. The Student's Book and the Workbook for each level are designed to be covered in approximately 100 to 120 hours of classroom work.