ASI, an Agent at your side


All over Europe, we help you:

Invest or Sell
Add value to your assets


Find financial solutions and counterparties

Our company

The Mission statements
A company dedicated to commercial real estate

ASI is a small team with many years of experience in the commercial real estate sector.

Complex files, discretion assured.

Its preferred battlefield remain complexes, important files requiring the provision of in-depth but discreet work.

Our strong point is experience.

ASI is a service company dedicated to commercial real estate. For 23 years, our ambition have been to side with our clients to carry out the missions entrusted to us.

A remarkable track record

ASI has a remarkable track record for such a light structure,
never communicates on its missions via the press or specialized magazines
and only endures thanks to the confidence of its customers and its results.

Our company


ASI recently advised a large European listed real estate company on the sale of an office building in Germany (Essen) the transaction was executed in the 1st quarter of 2021

Our company

The team
Christophe Martinez
Christophe MartinezCompany founder

See his bio

Philippe SemideiAssociate General Manager

See his bio

Jean-François MartinezSenior Advisor

See his bio

Manou BroussoisAdministration & management manager

Our expertise

A “double one” that can be very well combined
Off market

ASI is a team specialized in so-called « OFF MARKET » operations

Cross border expertise

ASI is particularly active and efficient in  » CROSS BORDER  » operations

Off market

It implies:

– an impetus coming from the highest decision-making level
– a precise definition of expectations
– an assured discretion and a restricted target

ASI has made this hyper-targeted technique its preferred mode of operation

The Cross border is :

Support for investors or the sale of buildings or real estate companies outside our domestic borders.

The advent of the common currency, the circulation of information on the markets has boosted this type of investment which requires:

– A high level of analysis
– The confidence of managers
– Every time a quick and easy projection on site of the team dedicated to the project
– A deep understanding of the respective goals and expectations
– Profiles adapted and tested to manage the « cultural gap » ad the “lost in translation” issues

ASI concentrates these qualities on its teams which, combined with the previous ones, have guaranteed it many successes.

These different skills allow us to be, depending on the case

Sales Agent
Acquisition Agent
Users or Tenant Representative
Expert and Strategic Coordinator of a transaction
You have a project ?
Contact us

Our clients

ASI in figures

1Century of cumulative experience at 3
2millions of living or useful m² sold in Germany
3men at your service
4Millions of Euros, size of the smallest building sold in Paris
7Years of Partnership between Philippe and Christophe
15hectares - the largest building land sold in the inner suburbs of Paris - future development 100,000 m² of offices - 80,000 m² of living space
20Millions of transactions at least every year for 7 years (one building)
23Years of activity
630million Euros - our largest transaction - Portfolio of 300 residential buildings in Germany
65000m², size of our last office building sold in Ile de France

Our references

Contact us

+33 (0)1 53 42 36 00
33, rue de Naples, 75008 Paris, France

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