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Effy

Energy · Paris, France · Founded 2008 Thoroughbred

The leading specialist in quality energy renovation for individuals providing safer, simpler and less expensive energy renovations

Valuation
$100–500M
Latest valuation · 2026
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Revenue
$500M–1B
Latest reported FY
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Headcount
100–500
Current team size
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Investors

1 investor on Effy's cap table

Sourced from Dealroom's funding history. Investor profile links are shown where available.

Series B+ 1 investor entered at this stage
Felix Capital

Global footprint

Where Effy has talent and traffic

AI talent share
1.9% of workforce is AI talent
(6 of 315 staff)
Core AI00%
Other AI61.9%
Non-AI workforce30998.1%
Workforce by country
3 countries with
team presence
🇫🇷 France98.9%
🇬🇧 United Kingdom0.5%
🇮🇹 Italy0.5%
3 countries shown
Web traffic by country
240K monthly visits
across markets
🇫🇷 France90.7%
🇧🇪 Belgium1.3%
🏳️ Réunion1.3%
🇨🇦 Canada1.1%
🇺🇸 United States1%
Top 5 markets shown

Market sentiment

What the market is saying about Effy

An AI-synthesized read of the highest-engagement posts about Effy on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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