Many Swiss employers expect proficiency in the regional language—German, French, or Italian—depending on the canton. While not always mandatory for work permits, language skills are essential for roles involving customer interaction, teamwork, or compliance with local regulations. Employers may request certificates from recognized institutions such as Goethe, DELF/DALF, or TELC. In multinational companies, English may be sufficient for daily work, particularly in tech, finance, and research sectors. However, learning the regional language significantly improves employability, workplace integration, and long-term residency options. Strong language skills are especially crucial in healthcare and hospitality professions.