Squarimo, a French platform that helps estate agents sell homes through competitive tenders, has acquired Enchères Immo and Winup, two online property auction brands that had merged their businesses less than a year earlier. The deal was announced on October 19, 2026, according to property trade site MySweetimmo.
The price was not disclosed. Squarimo's founder, Quentin Saint Guilhem, told MySweetimmo that he financed the purchase on his own, with the help of a bank loan, and said he was buying two brands but in practice a group. CFNews, which covers French deals, said the target had more than €130 million (about $150 million) of property listed for sale on its platform.
Enchères Immo announced the deal on its blog on October 21 in a post signed by Saint Guilhem as chief executive of Enchères Immo and Winup. The post said clients of both brands would be moved gradually onto Squarimo's platform, with the aim of bringing them onto a common method and shared tools.
What Enchères Immo built
Enchères Immo runs an online platform for interactive property sales aimed at estate agents, who offer it to their selling and buying clients. Instead of listing a home at a fixed price, the agent opens a supervised, transparent bidding process. A 2021 press release described a business model that mixed subscriptions with commissions on completed sales.
The company was co-founded by Paul Barthelemy and Louis du Clary. Its November 2025 announcement gives 2019 as its founding year, while the 2021 release said it had launched in 2020. In its first year or so it ran nearly 100 auctions and completed more than 50 sales, according to that release.
In November 2025 Enchères Immo combined with Winup, an online auction platform founded in 2020 and led by co-founder and chief executive Maxime Larhantec, and with Ventes Connect, which qualifies leads from sellers and buyers and passes them to partner agents. The companies said at the time that the combined group worked with several hundred agents and networks, and described it as the first French ecosystem devoted entirely to interactive property sales. Du Clary was then chief executive of Enchères Immo.
The funding
No venture rounds for Enchères Immo were reported. In December 2021 ALFR Opportunity Invest, the investment arm of Acheter-Louer.fr, a group that sells digital marketing and data services to the property industry, took a 10% stake in the company for an undisclosed amount, according to a PR Newswire release.
That deal came with a referral contract under which Acheter-Louer.fr could be paid in cash or in Enchères Immo shares, which could have lifted its holding to as much as 25%. None of the sources say how the shareholding stood at the time of the sale to Squarimo or how much the founders and investors received.
Why Squarimo is buying
Saint Guilhem told MySweetimmo that the opportunity came up in mid-2026, when the leaders of Enchères Immo wanted to hand the business to a buyer that would carry on what they had started. He said Squarimo would focus over time on improving its own platform rather than running three separate products, and that the deal gave it access to the agencies that used both acquired brands.
He also stressed how Squarimo is run. He said the company has never been a start-up and described it as a small business that he manages cautiously, growing at a measured pace and investing step by step.
The Enchères Immo blog post presented Squarimo as the market leader, with more than 500 sales in progress and partnerships that include Foncia Transaction. MySweetimmo reported that the number of live sales had risen from more than 350 in February. The post argued that Squarimo's independence from estate agency networks meant its tool was built for the whole profession rather than for a single brand.
How tender sales work
In Squarimo's model, the agent signs an adapted sales mandate, advertises the property on the usual listing portals and collects offers on Squarimo, generally over about four weeks. The starting price is only a reference point, and the seller is not obliged to accept any offer. Saint Guilhem told MySweetimmo that some partners had sold properties in around 25 days on average across several dozen homes.
He said agencies often turn to the method when an older listing has failed to sell, and that Squarimo wants them to use it from the start of a mandate. His argument is that nobody knows the exact value of a property and that buyers competing for it set the price. He said the approach could help agents defend their valuations and win more exclusive mandates.
Online property auctions are still a small part of the French market, CFNews noted. The Enchères Immo post said tender sales had nonetheless moved from a curiosity to an accepted method that agents use to secure exclusive mandates, shorten sale times and protect their fees, and that bringing the main players together should make interactive sales a standard part of the market.
