The EFMD Quality Improvement System (EQUIS) is a business school accreditation run by the Brussels-based European Foundation for Management Development (EFMD). EQUIS accredits higher education institutions of management and business administration, and is considered one of the triple accreditation.
As of September 2025, EQUIS has accredited 228 institutions in 45 countries around the world. In 2022, EQUIS suspended all higher education institutions in Russia from its ranking.