Insights

Global footprint Clemessy operates with more than 100 locations globally, signaling a mature, multinational service network that can support large-scale, cross-border automation and energy projects for clients with international operations.

Energy systems strength As part of the Eiffage Group’s Energy Systems branch, Clemessy specializes in electrical and mechanical engineering for industrial, energy, tertiary, and transport sectors, presenting opportunities to upsell integrated lifecycle services and maintenance contracts.

Solid scale With a large workforce and substantial turnover in the mid-range, Clemessy demonstrates capacity for sizeable projects and long-term engagements, suggesting suitability for enterprise-level automation and modernization initiatives.

Digital readiness Adoption of modern tech stack elements (including PHP, Cloudflare, UI frameworks) indicates a digital-forward capability that can align with customers seeking scalable, secure, and cloud-enabled automation and monitoring solutions.

Industry alignment Operating across industry, energy, tertiary, and transport segments positions Clemessy to cross-sell standardized solutions and customized projects to diversified clients, leveraging cross-sector expertise for growth opportunities.

Clemessy Tech Stack

Clemessy uses 8 technology products and services including C3.js, Cloudflare CDN, Element UI, and more. Explore Clemessy's tech stack below.

  • C3.js
    Charting
  • Cloudflare CDN
    Content Delivery Network
  • Element UI
    Javascript Frameworks
  • PHP
    Programming Languages
  • Commanders Act TagCommander
    Tag Management
  • ZURB Foundation
    UI Frameworks
  • X-Content-Type-Options
    Web & Portal Technology
  • Apache HTTP Server
    Web Servers

Media & News

Clemessy's Email Address Formats

Clemessy uses at least 2 format(s):
Clemessy Email FormatsExamplePercentage
F.Last@clemessy.comJ.Doe@clemessy.com
91%
First.Last@clemessy.comJohn.Doe@clemessy.com
7%
First@clemessy.comJohn@clemessy.com
1%
Last@clemessy.comDoe@clemessy.com
1%

Frequently Asked Questions

Where is Clemessy's headquarters located?

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Clemessy's main headquarters is located at 18 Rue de Thann Mulhouse, Grand Est France. The company has employees across 4 continents, including EuropeAfricaAsia.

What is Clemessy's phone number?

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You can contact Clemessy's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

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

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Clemessy's official website is fr.clemessy.com and has social profiles on LinkedIn.

What is Clemessy's SIC code NAICS code?

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Clemessy's SIC code is 7299 - Miscellaneous Personal Services, Not Elsewhere Classified NAICS code is 3339 - Other General Purpose Machinery Manufacturing.

How many employees does Clemessy have currently?

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As of June 2026, Clemessy has approximately 2.3K employees across 4 continents, including EuropeAfricaAsia. Key team members include Director Business Development: S. K.Sales Manager: M. D.Business Manager: T. P.. Explore Clemessy's employee directory with LeadIQ.

What industry does Clemessy belong to?

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Clemessy operates in the Automation Machinery Manufacturing industry.

What technology does Clemessy use?

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Clemessy's tech stack includes C3.jsCloudflare CDNElement UIPHPCommanders Act TagCommanderZURB FoundationX-Content-Type-OptionsApache HTTP Server.

What is Clemessy's email format?

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Clemessy's email format typically follows the pattern of F.Last@clemessy.com. Find more Clemessy email formats with LeadIQ.

Clemessy

Automation Machinery ManufacturingGrand Est, France1001-5000 Employees

Clemessy operates within the Energy Systems division of the Eiffage Group, focusing on electrical and mechanical engineering systems. It designs, upgrades, installs and maintains this equipment for multiple sectors, including industry, energy, the service sector and transport infrastructure.

With a broad geographic footprint that includes many locations in France and internationally, Clemessy works to support clients close to their industrial installations. The company is based in Mulhouse, in the Grand Est region of France, and positions itself in the automation machinery manufacturing space. The organization employs several thousand people, reflecting a substantial presence in its market.

Section iconCompany Overview

Headquarters
18 Rue de Thann Mulhouse, Grand Est France
Phone number
SIC Code
7299 - Miscellaneous Personal Services, Not Elsewhere Classified
NAICS Code
3339 - Other General Purpose Machinery Manufacturing
Employees
1001-5000

Section iconMedia & News

Section iconFunding & Financials

  • $250M$500M

    Clemessy's revenue is estimated to be in the range of $250M$500M

Section iconFunding & Financials

  • $250M$500M

    Clemessy's revenue is estimated to be in the range of $250M$500M

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