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.

Enterprise Plus Pre-Intermediate is an alternative version of Enterprise 3 and is intended for use at the same level. It has the same core syllabus as Enterprise 3, but offers additional supplementary material: