Insights

Global Climate Network C40 Cities is a prominent non-profit network of nearly 100 mayors focusing on climate action, presenting a broad, high-visibility platform for partnerships with funders, technology providers, and municipalities seeking scalable solutions.

Financial Scale Annual revenue estimated between 100M and 250M with large funder support from Bloomberg Philanthropies and Realdania signals substantial budget capacity for programs, pilots, and multi-city contracts.

Strategic Partnerships Active collaboration with cities, incubators, academic and industry partners (LACI, CHA, Volvo Foundations, Grundfos, Global Covenant of Mayors) creates opportunity for co-developed solutions in mobility, water, buildings, and port decarbonization.

Tech Enablement Diverse tech stack including data analytics and communication tools (Qlik Sense, Slack, Mailchimp, Ruby on Rails) indicates readiness for data-driven dashboards, stakeholder engagement platforms, and scalable software pilot programs.

Policy and Markets C40’s policy-driven agenda and port decarbonization initiatives align with opportunities to offer financing, ESG reporting, and retrofit or electrification solutions tailored to urban infrastructure and supply chains.

C40 Cities Tech Stack

C40 Cities uses 8 technology products and services including Qlik Sense, Adobe Photoshop, Microsoft Excel, and more. Explore C40 Cities's tech stack below.

  • Qlik Sense
    Business Intelligence
  • Adobe Photoshop
    Cad & Graphics
  • Microsoft Excel
    Editors
  • Mailchimp
    Email
  • Mailgun
    Email
  • Slack
    Software Framework
  • Cowboy
    Web And Application Servers
  • Ruby on Rails
    Web Frameworks

Media & News

C40 Cities's Email Address Formats

C40 Cities uses at least 1 format(s):
C40 Cities Email FormatsExamplePercentage
FLast@c40.orgJDoe@c40.org
94%
FMiddleLast@c40.orgJMichaelDoe@c40.org
3%
Last@c40.orgDoe@c40.org
2%
FirstLast@c40.orgJohnDoe@c40.org
1%

Frequently Asked Questions

Where is C40 Cities's headquarters located?

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C40 Cities's main headquarters is located at 44 Featherstone Street London, England ec1y 8rn United Kingdom. The company has employees across 6 continents, including EuropeNorth AmericaAsia.

What is C40 Cities's phone number?

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You can contact C40 Cities'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 C40 Cities's official website and social media links?

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C40 Cities's official website is c40.org and has social profiles on LinkedIn.

What is C40 Cities's NAICS code?

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C40 Cities's NAICS code is 813 - Religious, Grantmaking, Civic, Professional, and Similar Organizations.

How many employees does C40 Cities have currently?

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As of May 2026, C40 Cities has approximately 534 employees across 6 continents, including EuropeNorth AmericaAsia. Key team members include Chief People & Operations Officer: C. L.President Of The Board: M. B.Head Of Transport Innovation And Technical Engagement (parental Cover): C. I.. Explore C40 Cities's employee directory with LeadIQ.

What industry does C40 Cities belong to?

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C40 Cities operates in the Non-profit Organizations industry.

What technology does C40 Cities use?

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C40 Cities's tech stack includes Qlik SenseAdobe PhotoshopMicrosoft ExcelMailchimpMailgunSlackCowboyRuby on Rails.

What is C40 Cities's email format?

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C40 Cities's email format typically follows the pattern of FLast@c40.org. Find more C40 Cities email formats with LeadIQ.

When was C40 Cities founded?

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C40 Cities was founded in 2005.

C40 Cities

Non-profit OrganizationsEngland, United Kingdom501-1000 Employees

C40 Cities is a non-profit network of nearly 100 mayors from leading cities around the world, focused on addressing the climate crisis and creating urban environments that are healthy, equitable, and resilient. The organization pursues science-based, people-centered climate action intended to limit global warming in line with the Paris Agreement. Its governance includes co-chairs Mayor Sadiq Khan of London and Mayor Yvonne Aki-Sawyerr of Freetown, with Michael R. Bloomberg serving as President of the Board. Headquartered at 44 Featherstone Street, London, United Kingdom, the organization has between 501 and 1,000 employees. C40 collaborates with labor, business, the youth climate movement, civil society, and strategic funders such as Bloomberg Philanthropies and Realdania to advance climate action for cities, including initiatives framed as a Global Green New Deal.

Section iconCompany Overview

Headquarters
44 Featherstone Street London, England ec1y 8rn United Kingdom
Phone number
Website
c40.org
NAICS Code
813 - Religious, Grantmaking, Civic, Professional, and Similar Organizations
Founded
2005
Employees
501-1000

Section iconFunding & Financials

  • $100M$250M

    C40 Cities's revenue is estimated to be in the range of $100M$250M

Section iconFunding & Financials

  • $100M$250M

    C40 Cities's revenue is estimated to be in the range of $100M$250M

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