The foreign languages taught are French, English, Dutch, German, Spanish, Italian, Portuguese, Japanese and Chinese.

[3] HEC Liège delivers diplomas such as BS, Master, MA, MS, MBAs, MPAs, MPhil, PhD as well as executive education diplomas (specialized complementary master's degrees) and teaching licenses of economics & business.

leading to the title of "Business Engineer" ("Ingénieur de gestion" in French/ "Wirtschaftsingenieur" in German / "Handelsingenieur" in Dutch / "Ingegnere Gestionale" in Italian).

Graduates are granted at the end of the five (or more) years a diploma of "Master of Science in Business Engineering".

In 2011, the school received the EPAS[6] accreditation from the EFMD for its MS in Management and PhD programmes.