Insights

Energy Efficiency Leader Hellio has established itself as a pioneer in energy savings in France, with a long-standing presence since 2008. This positions the company well for partnerships around large-scale efficiency projects for public sector entities, local governments, and mid-sized enterprises seeking credible, experienced providers.

RGE Network Advantage Leveraging a broad network of RGE-certified artisans, Hellio can scale implementation across diverse building types and equipment. Sales opportunities exist in offering end-to-end installation and commissioning services to clients requiring compliant, certified energy efficiency solutions.

Diverse Customer Base Hellio serves individuals, businesses, and local authorities, indicating a versatile go-to-market approach. Prospects include property developers, SME owners, and municipal bodies seeking turnkey energy retrofit programs with measurable returns.

Digital & Martech Stack The use of HubSpot, Marketo, Salesforce, and analytics tools suggests strong inbound/outbound marketing and CRM capabilities. There is opportunity to enhance lead qualification, account-based selling, and data-driven upsell of ongoing energy management services.

Growth Signals Reported revenue range indicates a growing mid-market player with potential for scale through expanded service lines (monitoring, analytics, maintenance) and geographic expansion into other French territories or neighboring markets, aligning with current energy transition trends.

Similar companies to Hellio

Hellio Tech Stack

Hellio uses 8 technology products and services including HubSpot Analytics, SketchUp, Salesforce, and more. Explore Hellio's tech stack below.

Hellio's Email Address Formats

Hellio uses at least 3 email formats:
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 August 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 August 2026, Hellio has approximately 325 employees across 2 continents, including Europe and North America. Key team members include Chief Technology Officer: I. C., Head Of Sales: L. G. and Spain Managing Director: S. A. 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 HubSpot Analytics, SketchUp, Salesforce, PostgreSQL, Marketo, Sendinblue, Screaming Frog SEO Spider and Piwik PRO Core.

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

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