About Lullius

Who we are

Lullius is a boutique private client law firm of top-tier lawyers based in Mallorca.

Discreet by nature. Effective by design.

We are highly specialised because our clients’ most important questions deserve complete concentration.

Lullius advises international private clients, entrepreneurs, family businesses and companies on Spanish tax law, private wealth and tax litigation. Our lawyers bring experience from leading international firms and Big Four advisory practices, while our scale preserves direct relationships and personal accountability.

La Seu, the Cathedral of Palma de Mallorca

Local presence. Global reach.

Built in Mallorca, connected wherever our clients need us.

We coordinate seamlessly with leading independent firms abroad, creating one team and one coherent strategy across jurisdictions.

Explore our international desks

What defines us

01

Technical depth

Hyper-specialisation gives our advice rigour, perspective and the confidence to address the hardest questions directly.

02

Senior attention

Clients work closely with experienced lawyers who remain accountable for the matter from beginning to end.

03

International outlook

We understand the way Spanish tax interacts with lives, families and businesses organised across jurisdictions.

04

Independence

A focused and agile structure lets us build the right team around the client, free from unnecessary complexity.

05

Discretion

Sensitive affairs require judgment, continuity and an instinctive respect for privacy.

06

Clarity

Complex matters call for advice that is exact in substance, clear in its implications and usable in practice.

International relationships

Our Global Network

We maintain close working relationships with leading law firms, family offices, and specialist advisers across the world’s principal jurisdictions.

These relationships allow us to assemble the right cross-border team for each matter, while Lullius remains the client’s single point of contact.

Selected memberships and rankings

Private Client Global EliteITR World TaxSTEPInternational Fiscal AssociationBest Lawyers
2022Firm founded
2Spanish offices
15+Years of experience
GlobalCross-border network

Meet our team

Find an expert
Portrait of Xavier Rubert

Xavier Rubert

Partner

Tax, Tax Litigation, Private Wealth
Portrait of Carlos Arroyo

Carlos Arroyo

Senior Associate

Tax, Private Wealth
Portrait of Marta Aparicio

Marta Aparicio

Senior Associate

Tax, Private Wealth
Portrait of Carmen Salom

Carmen Salom

Senior Associate

Tax, Tax Litigation

A smaller firmfor matters ofconsequence.

Speak directly with a member of our team about your Spanish tax, private wealth or tax litigation matter.

Contact us