Real Estate Operating Partner
and Asset Manager

Image slider 1
Image slider 2
Image slider 3
Image slider 4
Image slider 5
Image slider 6
Image slider 7
Image slider 8
Image slider 9
Image slider 10
Image slider 11
Image slider 12
Image slider 13


Osesam is a French operating partner founded by two professionals with deep expertise in commercial and residential real estate, benefitting from 30 years of wide-ranging experience in investing, developing and managing assets.

Moreover, Osesam is dedicated to creating high-quality design that is respectful of urban and social and aesthetic context, while approaching each unique partnership with unyielding respect, candor and transparency.


Investment Strategies

Greater Paris region and major urban areas across France
Commercial and residential assets with large-spectrum risk profiling from Value Add to Opportunistic

Value Creation
Intensive asset management at each stage of development, from acquisition to disposal

with AlTi

Osesam has joined forces with AlTi, a global, multi-family office and merchant bank, who  serves as their strategic anchor investor.  Additionally, Osesam is AlTi’s sole operating partner for the French real estate market.


« Our philosophy is to develop
innovative sustainable projects while delivering strong risk adjusted returns to investors.  »