21 juillet 2026
In June 2026, JOHN & Cie, the real estate agency located in the Vieux-Village district of Vitrolles, chose to become a sponsoring partner of "La Grande Estimation," a nationwide solidarity real estate campaign launched by AMBASSIMMO. This commitment reflects the company's desire to align its image with initiatives that have a strong social impact, while supporting cancer research.
Based in Aix-en-Provence, AMBASSIMMO is a mission-driven company built around collaboration between individuals, real estate professionals, and local partners. Led by founder Patrick Lafleur, the platform offers homeowners a free property valuation carried out by professionals, while also building a network of paid real estate ambassadors and forming partnerships with agencies across the region.
Launched on June 22, 2026 and running until October 25, 2026, "La Grande Estimation" is built around a simple promise: get a free valuation, win twice over. Any adult homeowner residing in mainland France can have their property valued free of charge through the AMBASSIMMO website. At the same time, each participant can support cancer research by making a donation of €10 or more to the official fund hosted on OnParticipe, with all proceeds going to the Gustave Roussy and Paoli-Calmettes research institutes.
Every valid entry — whether made through a donation or via the free mail-in option — earns one chance to win the prize on offer: a 3-night, 4-day trip to Málaga for two, worth €1,000. The prize draw will take place on October 26, 2026, with the award ceremony held on November 7, 2026.
By joining this campaign as a partner, JOHN & Cie reaffirms its commitment to corporate social responsibility (CSR). This partnership allows the company to link its image to a concrete solidarity cause — the fight against cancer — while gaining visibility among several hundred homeowners.
"Cancer affects all of us in one way or another. Taking part in this campaign was a simple, tangible way for us to contribute," says the JOHN & Cie team, whose image will feature across the campaign's various communication channels.
With a target of around thirty committed partners and 30 to 50 partner real estate agencies by the end of the campaign, "La Grande Estimation" demonstrates how a local initiative can bring together individuals, professionals, and businesses around a shared cause. For JOHN & Cie, this partnership continues its ongoing commitment to projects that make a difference in the local community.
To learn more about the campaign and get your property valued for free, visit ambassimmo.com.
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