French Startup Zefir Raises €15M Funding In Series B Round

Since its 2020 launch, Zefir has used AI to simplify home buying and selling, speeding up transactions, increasing agent earnings, and enabling over €600 million in annualized property sales.

CEO and co-founder Remy Fabr shared that Zefir is now expanding its AI expertise to the buyer side with ZIA, Europe’s first AI-powered home-search assistant. In a market where buyers often face fragmented listings, slow alerts, and multiple inquiries for a single viewing, ZIA acts as a digital buyer’s agent, helping users search, compare, and make decisions faster.

"We’ve simplified what is usually a long, fragmented process. Sellers start with a single price estimate. Our AI matches their home with qualified buyers across our partner network.

This cuts transaction times in half from ~4 months to under 2 months while helping agents close more deals with less friction."

"We were the first to bring AI into the selling experience in France cutting sale times in half and helping agents boost their revenue," shared Fabre.

"Now we’re doing the same for buyers. In a market where they have no agent on their side, our AI assistant gives them clarity, speed, and confidence."

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Zefir’s AI assistant, ZIA, works like a personal property scout. Unlike traditional portals, Zefir doesn’t charge agents for listings, so buyers see only the most relevant homes, not paid rankings.

Users get early access to thousands of Zefir-exclusive properties and can describe exactly what they want, just like chatting with ChatGPT.

According to CEO Remy Fabre, agents don’t see Zefir as competition they see it as a partner. ZIA pre-qualifies buyers before they contact agents, cutting down on time-wasting enquiries and delivering serious prospects. This means faster sales, fewer dead-end visits, and smoother negotiations for agents.

According to Fabre, "it’s not just more leads it’s the right leads at the right time.".

Further, "instead of competing with them, we generate more qualified leads and help them close faster. Many earn up to €100K more per year with us. That’s why 4,500 professionals already work with us."

Zefir’s platform unites multiple agents, combining listings and buyer data, while AI quickly connects sellers with the right buyers. On average, homes sell in just 58 days—nearly twice as fast as the national average and agents can increase their earnings by up to €100,000 a year.

"With ZIA™, they’re now bringing that same innovation to buyers - delivering a rare trifecta of network effects, transactional velocity, and AI-driven utility. Our conviction stems from the team’s unwavering execution and their ability to scale with precision."

The new funding will accelerate AI development across Zefir, enhancing ZIA, professional tools, and expanding into France’s 15 largest cities. The company aims to double its team by 2026, focusing on Tech and Product. Fabre anticipates a decade-long shift in real estate toward digitization and transparency.

"Buyers and sellers will expect the same clarity they have in sectors like travel or mobility. AI will become a standard part of decision-makingfiltering, guiding, and accelerating choices.

Zefir intends to lead that shift, ensuring that people move homes with speed and confidence rather than friction and uncertainty."

Zefir’s vision extends beyond property transactions Fabre envisions a complete ecosystem encompassing financing, insurance, renovations, and moving services.

"Our first focus is to nail the core transaction experience, but over time, Zefir is well-positioned to be the platform where every adjacent service plugs in. That’s where the real multiplier effect will come."

About Zefir

Zefir transforms real estate by promoting collaboration over competition. Its collective sales platform connects buyers and sellers faster, coordinates multiple agents, ensures fair compensation, tracks performance, and centralizes property and buyer data setting a new standard for efficiency, transparency, and smarter transactions in the housing market.