Discretion, foresight and reliability – since 2012 we manage international mandates from Mallorca.
Learn moreWe consolidate what belongs together.
Assets, real estate, succession, taxes – across borders, many topics are intertwined. Our headquarters are in Mallorca, but our care knows no boundaries. We coordinate international structures with a single point of contact – independent of banks and exclusively committed to you. We protect and grow wealth across generations, serve as the family's dedicated point of contact, and take responsibility for strategy and governance.
FULL CONTROL WITH COMPLETE SERENITY – THAT IS OUR APPROACH.
We begin where standard solutions end.
We develop individual investment structures for a small circle of discerning clients – independent of banks, markets and geographies. We are particularly active in real estate, covering both residential and commercial properties, with unique access to this market. No funds, no off-the-shelf products: every strategy is conceived, reviewed and accompanied from the ground up – with the aim of protecting and growing wealth across generations.
FOR THE FEW WHO THINK FURTHER.
Strategy means recognizing opportunities before they become obvious.
We accompany clients through market entries, restructurings and strategic realignments – discreetly, proactively and with a network that opens doors that remain closed to others.
FINDING PATHS WHERE OTHERS SEE LIMITS.
We don't work for our clients –
we work with them.
One contact. One trusted relationship. One shared strategy.
Dipl. Kfm. – Managing Director and Founder
Deniz Demirdizen was born in Aachen and has been based in Mallorca for more than twenty years. As a graduate economist, he has been managing an international clientele since 2012 through the Leonius Family Office, which he founded.
Previously, he worked for major international banks and most recently for a specialized private bank as head of operations for Spain. Together with a team of business economists and a robust network of lawyers, tax experts and architects, the Leonius Family Office creates the foundation for holistic solutions across disciplines.
University lecturer in Business Administration / Corporate Management · Founding member of the Munich Stiftersalon · Rotarian · Advisory Board Member
Years Experience
Headquarters
Active
is reflected in the trust of our clients
The assurance that your affairs are reliably managed.
The certainty that we are committed only to you. No banks, no funds.
Discuss all economic, tax and legal matters with just one competent contact.
We accept new mandates exclusively through personal referrals or after a confidential initial consultation. This is not formality – it is our commitment to the quality of collaboration.
From Mallorca, we have been managing an international clientele for over fifteen years – with the tranquility of the island and the reach of a global network.