At the center

of change

The leading global provider of market-based sustainability solutions.


A world where sustainability is no longer just an ambition – where every organization has the tools to take climate action

We empower organizations worldwide to take climate action and achieve their sustainability goals – no matter how ambitious. As your partner in the global energy transition, you can count on our expertise, extensive knowledge, and comprehensive product portfolio to help you take decisive climate action.


Climate action

Climate action matters

We operate at the intersection of commerce and sustainability, enabling the pursuit of climate action and its success. Seismic shifts are required across operations and value chains to make this change possible. It's time to commit to change together.

Ready to take climate action?

Let's talk

ACT by the numbers

Making a lasting impact

We help clients across the world achieve impact their way. With our international teams and expertise, we’ve contributed to a more sustainable world.


Sustainability products


Clients worldwide (and growing)

48 M tons

CO2 offset to date


Languages spoken across 5 global offices

1 TWhc

Saved as of 2022 - Equivalent to the annual energy usage of more than 71,000 households in Europe

168 TWh

Renewable energy supplied as of 2022 – Equivalent to almost 4% of the US energy consumption

What is your climate action ambition?

We work in

and we strive to

Our solutions drive change. We offer tailor-made products and services that fit all your sustainability needs.


Latest insights

The markets we work in are constantly changing, so we like to stay up to date. Learn more about the complex world of environmental markets, read the latest industry news, take deep dives into case studies, and gain insights from our experts.

Plant Insights
Net zero

How offsetting emissions with carbon credits accelerates your climate action plan

November 3, 2021
How to get buy-in from your c-suite for voluntary environmental initiatives
Regulatory updates

How to get buy-in from your c-suite for voluntary environmental initiatives

October 19, 2021
What small and midsize enterprises need to know about renewable energy certificates
Renewable energy

What small and midsize enterprises need to know about energy attribute certificates

October 19, 2021

ACT France Receives ISO 9001 Certification

December 17, 2021
Net zero

Net-Zero Emissions – Where do carbon credits fit in the global journey to climate action? 

January 6, 2022