Creating value together, since 1990

Founded in 1990, we have been active with international institutional investors for more than 30 years in the investment and management of office real estate assets mainly, but also in hotels and logistics.

We carry out the most efficient investment structure, advising our clients from the acquisition stage, providing thereafter asset and property management services and up to the sale process. Our clients are institutional investors and family offices in Europe, the US, Asia and the Middle East.

Currently, we are present in Amsterdam, Hamburg, Paris, Madrid, London and South Korea. Additionally, we cover Italy, Eastern Europe, Scandinavia, and the Emirates through local partnerships.

In 2021, we joined Sienna Investment Managers, the alternative assets platform of Groupe Bruxelles Lambert, bringing an opportunity to accelerate our development in investment products and geographic locations.

The acquisition of L’Etoile brings the total AuM of Sienna IM to €10 billion, with the remainder of the assets invested in direct investments, co-investments, or external managers.

Facts & Figures

The L'Etoile way

Our values


We do what we love, and love what we do.

Work Ethic

We see our clients’ business as ours.


Working smart to create long-term relationships.


Amazing professionals achieving amazing things.

Our reason

Become a local real estate partner for our clients, by strategic assessment based on a profound understanding of their expectations and a vast background experience on local markets.

ESG culture

We stand for the belief that ESG is a key component of today’s real estate from both an operational and an investment point of view.


To preserve our planet on the long term.


To care about every human involved.


To follow fair and transparent rules and values.