Folium Forlag is a Portuguese language school serving learners from abroad, with courses designed for different proficiency levels in line with the Common European Framework of Reference for Languages. Students can choose individual or group instruction, and the school promotes learning in Portugal, with course information highlighting the cities of Porto and Lisbon. Its approach connects language study with the country’s cultural heritage, gastronomy, and everyday life.

Alongside its teaching activities, Folium Forlag has an editorial focus on specialized literature in lexicography and grammar. The publishing work includes Portuguese-Norwegian dictionaries, reflecting the organisation’s links between Portugal and Norway. The website also lists translation and accommodation among its services and provides contact options for enquiries about its offerings.

Combining language education with publishing and translation, Folium Forlag presents Portuguese learning within a broader interest in language, literature, history, culture, and society. Its courses cater to foreign learners seeking structured instruction, whether studying individually or in a group.