Quintet Private Bank | 36,177 followers on LinkedIn. Operating across Europe and the UK, Quintet is a private bank for people who see the world differently and who seek a partner like us, committed to protecting and growing their wealth as if it were our own. Combining agility and security, we focus on what matters most to the individuals and families we serve so they can invest in a richer life, however they define it. Founded in 1949 and headquartered in Luxembourg, Quintet serves wealthy individuals and their families, as well as a broad range of institutional and professional clients, including family offices, foundations and external asset managers.