Harnessing the power of digital as a force for good

Our vision is to create a future where the transformative power of digital technology and marketing is harnessed to build a more inclusive, equitable, mindful, and sustainable world.

We believe in industry-wide collaboration to achieve sustainable transformation in the marketing and digital sectors.

We work with industry leaders to demonstrate that sustainability can be a lasting competitive advantage.

Want to see how we do things?

Discover our services

Our solutions are designed to be:

Empowering

We empower our clients to build responsible, sustainable digital practices. We don't just advise; we partner with you to drive real change, backing a clear long-term vision with tangible, actionable goals every step of the way.

Reality-rooted

Impulsing real change means finding workable solutions. Being able to adapt ourselves to our environment, from client’s objectives to collaborators’ reality, being understanding, flexible and pragmatic is our key to success.

Forward-thinking

Tackling climate change will require pushing boundaries, co-creating and innovating with our entire business ecosystem.

Our core values:

Integrity

Intellectual honesty is at the heart of our work

Humility

Staying endlessly curious about the world around us.

Grit

The capacity to adapt in the pursuit of measurable impact

Our commitments to a positive impact on the environment

Beyond supporting our clients’ carbon reduction journey, we are committed to driving positive impact through our own actions.

We believe sustainability requires concrete and measurable actions.

We join initiatives and communities driving more responsible digital practices.

We contribute to environmental preservation through dedicated initiatives.

Our teams are certified in Sustainable IT by the French Institute for Sustainable IT.

Develop the skills needed to integrate digital sustainability into professional practices.

We have signed the Manifesto for Sustainable IT.

We contribute to the collective efforts of the industry to reduce the environmental impact of digital technology.

We have pledged 1% of sales to the preservation and restoration of the environment

Support concrete actions to preserve and restore ecosystems.

We plant trees for every new employee, client, or social media follower.

Contribute to nature restoration and climate action projects.

A team of passionate experts to support your transformation journey

Elisa Boivin
Founder of footsprint & ESG Director of Cosmo5
Caroline Lê
Head of Consulting in Marketing Sustainability
Juan Sotès
Carbon Impact Director
Johanna Molins
Senior Marketing Sustainability Consultant
Baris Guven
Marketing Sustainability Consultant
Want to take action? Join us!

Award-winning expertise

Best Responsible Marketing Agency
Paris 2025
Best Practice in Sustainability –
Agency – Americas. London 2024
Performance Marketing
Montreal 2025
Best Practices in the Beauty Sector
London 2025
Responsible Influence Marketing
Paris 2025

Cosmo5, international marketing & media agency

We are one of the first agencies to integrate media-related emissions into our 2050 decarbonization roadmap

Learn more

SBTi validated Cosmo5's Net Zero targets 2050

2025 Gold Medal: placed us in the top 2% in our sector for ESG excellence

Annual ESG Reporting guided by the Global Reporting Initiative

On parle de nous dans les médias

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Have any questions?

We can support you in measuring and reducing the carbon footprint of your entire offline and digital marketing ecosystem: media, influencer marketing, website & e-commerce eco-design, mobile applications, email marketing, AI, cloud solutions, IT infrastructure, team training, and more.
We assess the entire advertising value chain to calculate the actual emissions generated by your campaigns: impression volume, creative formats, platforms used, content storage in data centers, data transfers, distribution networks, and end-user device consumption.
We assess emissions associated with hosting, data storage, network transfers, loaded content and resources (images, videos, scripts, etc.), as well as the energy consumed by devices when users browse the website. This approach helps identify the main optimization opportunities.
Yes. Our results are designed to support your carbon reduction strategies, ESG indicators and sustainability reporting requirements. Our methodology is based on recognized standards and provides transparent, auditable and actionable data for sustainability teams.

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