When Flex-O and LaSalle Investment Management signed a ten-year lease at 69 boulevard Haussmann last September, they kicked off a real estate transformation operation culminating in a flex office space of over 6,700 m². Ahead of its official inauguration this evening, the Groupe Courtin subsidiary and the British management company welcomed Business Immo to this new site in the 8th arrondissement of Paris, the operator's third in the capital.