Lullius Partners

Lullius Partners is an accomplished boutique tax law firm based in Mallorca, specialising in private wealth, tax law and litigation. Clients encompass high-net-worth individuals, international families, and family businesses on structuring, safeguarding, and cross-border wealth mandates. Partner Xavier Rubert founded the firm in 2022 and is a distinguished tax litigator before the Economic-Administrative Courts and High Courts of Justice. Carlos Arroyo leads the firm's US desk.