Prominent Flemish families create NV Extensions & Entreprises Anversoises 

advertisement in journal d'anvers, may 1914 

Extensions et Entreprises Anversoises is rebranded under Extensa 

Ackermans & van Haaren acquires Extensa 

Extensa launches Leasinvest Real Estate on the stock exchange 

Extensa expands in Turkey, Slovakia and Romania 

The first Cloche d'Or project is launched (Luxembourg) 

Extensa controls 100% of the Tour & Taxis development project 

Extensa launches town planning permits for +1000 apartments 

from left to right


What we do

Extensa was created by the members of several noble families based in Antwerp.
Today, Extensa is owned by Ackermans & van Haaren, a family-controlled diversified group that assures the continuity of the long-term value approach that was first promoted by Extensa’s initial shareholders.​









Shareholding structure

Ackermans & van Haaren is a diversified group active in four core segements :

(1) marine engineering & contracting, (2) private banking, (3) real estate & senior care and (4) energy & resources.

The AvH share is part of the Bel20 index, the Private Equity NXT index of Euronext Brussels and the European DJ Stoxx 600.

Board of directors

Kris Verhellen 

CEO of Extensa Group

Jan Suykens

CEO of Ackermans & van Haaren

Marc De Pauw

President of the Board

Director of Sofinim

John-Eric Bertrand

Member of the executive committee of AvH

Jean-Louis Appelmans

CEO of Leasinvest Real Estate

Management committee

from left to right​

Filip Dumalin

Head of legal​

Laurent Jacquemart


Kris Verhellen


Peter De Durpel


Ward Van Gorp

Head of Residential Developments​

from left to right​

Copyright © 2015 Extensa Group

Extensa Group ⎪Avenue du Port 86c, boîte 316 1000 Brussels

T: +32 2 237 08 20 ⎪ F: +32 2 237 08 21⎪ Email: