Insights

Energy Efficiency Leadership Hellio is an established pioneer in energy savings in France with a long-standing, independent position in the energy transition. This presents opportunities to cross-sell advanced energy optimization services, consulting, and deployment of efficiency projects to municipal, commercial, and residential clients seeking certified expertise.

RGE Network Advantage With a network of RGE certified artisans, Hellio can be a gateway for partners and suppliers to access trusted installation and retrofit capabilities, enabling channel partnerships, white-label programs, and collaboration on large-scale efficiency programs for local governments and enterprises.

Diverse Customer Base Serving individuals, businesses, and local authorities across metropolitan and overseas territories indicates broad market reach and potential for bundled solutions, financing options, and scalable service offerings tailored to varied regulatory and building types.

Digital Readiness Hellio’s tech stack includes modern web and connectivity standards, suggesting capability for remote monitoring, data-driven energy management, and integration opportunities with building management systems, IoT platforms, and energy performance dashboards.

Growth Potential Revenue in the 1–10 million USD range and a sizeable employee base imply opportunities to scale sales through partnerships, expand into new regions or sectors, and upsell premium services such as high-impact retrofit programs, financing solutions, and enhanced customer support.

Similar companies to Hellio

Hellio Tech Stack

Hellio uses 8 technology products and services including Modbus, Vue.js, Kahoot, and more. Explore Hellio's tech stack below.

  • Modbus
    Communications Technology
  • Vue.js
    Javascript Frameworks
  • Kahoot
    Loyalty And Gamification
  • HSTS
    Security
  • reCAPTCHA
    Security
  • HTTP/3
    Web & Portal Technology
  • Adobe Fonts
    Web Fonts
  • Twitter
    Widgets

Hellio's Email Address Formats

Hellio uses at least 2 format(s):
Hellio Email FormatsExamplePercentage
Last@geoplc.comDoe@geoplc.com
79%
FLast@geoplc.comJDoe@geoplc.com
21%
FLast@hellio.comJDoe@hellio.com
100%

Frequently Asked Questions

What is Hellio's official website and social media links?

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Hellio's official website is hellio.com and has social profiles on LinkedIn.

How much revenue does Hellio generate?

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As of July 2026, Hellio's annual revenue is estimated to be $1M - $10M.

What is Hellio's NAICS code?

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Hellio's NAICS code is 54162 - Environmental Consulting Services.

How many employees does Hellio have currently?

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As of July 2026, Hellio has approximately 317 employees across 2 continents, including EuropeNorth America. Key team members include Chief Technology Officer: I. C.Head Of Sales: L. G.Head Of Sales France - Energie: J. C.. Explore Hellio's employee directory with LeadIQ.

What industry does Hellio belong to?

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Hellio operates in the Environmental Services industry.

What technology does Hellio use?

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Hellio's tech stack includes ModbusVue.jsKahootHSTSreCAPTCHAHTTP/3Adobe FontsTwitter.

What is Hellio's email format?

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Hellio's email format typically follows the pattern of Last@geoplc.com. Find more Hellio email formats with LeadIQ.

When was Hellio founded?

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Hellio was founded in 2008.
Hellio logo

Hellio

Environmental ServicesÎle-de-France, France201-500 Employees

Hellio is an environmental services company based in Clichy, Île-de-France, France, at 50 Rue Madame de Sanzillon, 92110. The organization has 201 to 500 employees. Established in 2008, Hellio is described as a pioneer in energy savings in France, serving metropolitan France and overseas territories. It positions itself as a recognized player in energy management and operates a network of RGE-certified artisans to simplify process workflows and deliver tailored energy solutions for a range of customers, including individuals, businesses, and local authorities, for all building types and equipment. The company is independent and focused on the energy transition, with more information available at https://hellio.com; reported revenue falls in the $1 million to $10 million range.

Section iconCompany Overview

Website
hellio.com
NAICS Code
54162 - Environmental Consulting Services
Founded
2008
Employees
201-500

Section iconFunding & Financials

  • $1M - $10M

    Hellio's revenue is estimated to be in the range of $1M - $10M

Section iconFunding & Financials

  • $1M - $10M

    Hellio's revenue is estimated to be in the range of $1M - $10M

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