ILO Instituto de Linguas de Oeiras Lda

The ILO – Instituto de Línguas de Oeiras is a language school in Oeiras, Portugal, that has taught languages since 1971. It is located at Rua Infante Dom Pedro 3 and offers group and individual courses for all ages and levels in English, Portuguese, French, German and Spanish. Classes are small, and a free level test with course advice is available before enrolment.

• Academic-year courses from September to June, from level A1 to C2
• Intensive courses
• Private lessons, for example for conversation or exam preparation
• English for children and teenagers aged 5 to 15
• European Portuguese for foreigners, levels A1 to C1, and conversation classes
• Language training for companies

The Portuguese courses for foreigners focus on everyday life, work and integration in Portugal. For companies, the school teaches English, Portuguese for foreign employees, and other languages such as French, Spanish, German and Italian, at the ILO, on company premises, online or in a hybrid format. Enrolment for children's English courses in the 2026/2027 school year is open.