Insights

Acquisition momentum Citron recently expanded its capabilities by acquiring iQSpot, signaling a strong growth trajectory in real-time energy monitoring and a broader footprint in energy analytics for real estate operators and investors.

Aggressive scaling With a funding round of €20M and a stated plan to recruit up to two hundred new employees, Citron is investing in scale across technology, product development, and service delivery to deepen its building resources optimization offerings.

Market leadership Positioned as a pro-tech player in environmental services, Citron focuses on digital energy management for buildings and mobility, enabling clients to meet regulatory obligations while improving economic and environmental performance.

High-value customers Target customers include enterprises, local authorities, and property owners who manage large building portfolios, presenting opportunities for upsell across measurement, analytics, optimization, and compliance modules.

Revenue potential With reported revenue in the mid to high hundreds of millions and ongoing investments in technology and hiring, Citron is positioned to pursue expanded contracts, long-term service agreements, and cross-sell across energy, transport, and building management use cases.

Similar companies to Citron®

Citron® Tech Stack

Citron® uses 8 technology products and services including Google Ads, RSS, Cookie Notice, and more. Explore Citron®'s tech stack below.

  • Google Ads
    Advertising
  • RSS
    Content Management System
  • Cookie Notice
    Cookie Compliance
  • Highlight.js
    Javascript Libraries
  • jQuery Mobile
    Mobile Frameworks
  • JavaScript
    Programming Languages
  • Teamtailor
    Recruitment Marketing
  • Apache HTTP Server
    Web Servers

Citron®'s Email Address Formats

Citron® uses at least 2 format(s):
Citron® Email FormatsExamplePercentage
F.Last@citron.ioJ.Doe@citron.io
94%
First@citron.ioJohn@citron.io
6%
First@green-alternative.frJohn@green-alternative.fr
88%
First.Last@green-alternative.frJohn.Doe@green-alternative.fr
9%
F.Last@green-alternative.frJ.Doe@green-alternative.fr
3%

Frequently Asked Questions

What is Citron®'s official website and social media links?

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Citron®'s official website is citron.io and has social profiles on LinkedInCrunchbase.

How much revenue does Citron® generate?

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As of July 2026, Citron®'s annual revenue is estimated to be $100M - $250M.

What is Citron®'s SIC code NAICS code?

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Citron®'s SIC code is 7372 - Prepackaged Software NAICS code is 54162 - Environmental Consulting Services.

How many employees does Citron® have currently?

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As of July 2026, Citron® has approximately 203 employees across 5 continents, including EuropeNorth AmericaAsia. Key team members include Cto: A. P.Cpo: S. V.President And Board Member: C. A.. Explore Citron®'s employee directory with LeadIQ.

What industry does Citron® belong to?

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Citron® operates in the Environmental Services industry.

What technology does Citron® use?

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Citron®'s tech stack includes Google AdsRSSCookie NoticeHighlight.jsjQuery MobileJavaScriptTeamtailorApache HTTP Server.

What is Citron®'s email format?

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Citron®'s email format typically follows the pattern of F.Last@citron.io. Find more Citron® email formats with LeadIQ.

How much funding has Citron® raised to date?

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As of July 2026, Citron® has raised $22M in funding. The last funding round occurred on Apr 11, 2023 for $22M.

When was Citron® founded?

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Citron® was founded in 2011.
Citron® logo

Citron®

Environmental ServicesÎle-de-France, France201-500 Employees

Citron is a PropTech company focused on digital energy management for buildings and mobility, serving businesses, municipalities, and landlords. Its offerings help clients define effective energy policies and improve economic and environmental performance by addressing measurement, analysis, optimization, monitoring, and regulatory compliance. Within the environmental services sector, the company aims to translate energy data into policy and operational improvements across both building and transport contexts.

The company is based in Suresnes, Île-de-France. In 2025, Citron announced the acquisition of iQSpot, a specialist in real-time energy monitoring that serves real estate companies and investors.

Section iconCompany Overview

Website
citron.io
SIC Code
7372 - Prepackaged Software
NAICS Code
54162 - Environmental Consulting Services
Founded
2011
Employees
201-500

Section iconFunding & Financials

  • $22M

    Citron® has raised a total of $22M of funding over 1 rounds. Their latest funding round was raised on Apr 11, 2023 in the amount of $22Mas a series_unknown.

  • $100M - $250M

    Citron®'s revenue is estimated to be in the range of $100M - $250M

Section iconFunding & Financials

  • $22M

    Citron® has raised a total of $22M of funding over 1 rounds. Their latest funding round was raised on Apr 11, 2023 in the amount of $22Mas a series_unknown.

  • $100M - $250M

    Citron®'s revenue is estimated to be in the range of $100M - $250M

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