In 2025, Assystem completed a corporate carbon footprint assessment and publicly disclosed its greenhouse gas (GHG) emissions according to the GHG Protocol, covering Scope 1 (direct emissions from owned or controlled sources), Scope 2 (indirect emissions from purchased energy) and Scope 3 (indirect emissions across the value chain).
Assystem has also provided a category-level breakdown for 8 out of 15 Scope 3 emissions categories, offering greater transparency into its value chain emissions.
| Metric (tCO2e) | 2025 | 2024 | 2023 | 2022-2019 |
|---|---|---|---|---|
Total Scope 1 | 2,047a | 2,389a | 3,006b | |
Total Scope 2 | ||||
Market-Based | 2,326a | 2,327a | 1,456b | |
Location-Based | 2,422a | 2,336a | 1,456b | |
Total Scope 3 | 37,858a | 39,656a | 43,190b | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | 2.6518a | 3.7555a | 4.7028b |
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In 2025, the total operational greenhouse gas (GHG) emissions of Assystem amounted to 4,469 metric tons of CO2 equivalent. This figure includes both direct emissions from owned or controlled sources (Scope 1) and indirect emissions from purchased energy (Scope 2).a
Compared to 2024, the total operational greenhouse gas (GHG) emissions of Assystem decreased by 5.42%, showing that the company has made progress in taking action to reduce the climate impact of its operations.a
In 2025, the total Scope 1 emissions of Assystem were 2,047 metric tons of CO₂ equivalent (tCO₂e).a
Since 2022, Assystem's Scope 1 emissions have decreased by 12.6%, reflecting a declining long-term trend in Scope 1 emissions over time.a
Compared to the previous year (2024), Assystem's Scope 1 emissions decreased by 14.32%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a
In 2025, Assystem reported Scope 2 greenhouse gas (GHG) emissions of 2,326 tCO₂e using the market-based method and 2,422 tCO₂e using the location-based method.a
Since 2022, Assystem's Scope 2 greenhouse gas (GHG) emissions (Location-Based) have increased by 104.22%, reflecting a rising long-term trend in Scope 2 emissions over time.a
Compared to the previous year (2024), Assystem's Scope 2 emissions (Location-Based) have remained relatively stable, indicating that Assystem's emissions have plateaued with no significant change in its energy consumption footprint.a
In 2025, Assystem reported its Scope 2 emissions using the market-based method and using the location-based method.a
In 2025, Assystem reported 37,858 metric tons of CO₂ equivalent (tCO₂e) of Scope 3 greenhouse gas (GHG) emissions, representing indirect emissions across its upstream and downstream value chain.a
The 2025 disclosure of Assystem includes a breakdown across 8 of the 15 Scope 3 categories defined by the GHG Protocol, matching the level of disclosure in 2024, demonstrating consistent Scope 3 emissions reporting coverage year over year.a
In 2025, Assystem reported total Scope 3 emissions of 37,858 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 93.55% of these emissions originated from upstream activities such as purchased goods and capital goods, while 6.45% came from downstream activities like product use, distribution, and end-of-life treatment.a
Since 2022, Assystem's Scope 3 emissions have increased by 19.49%, reflecting a rising long-term trend in Scope 3 emissions over time.a
Compared to the previous year (2024), Assystem's Scope 3 emissions remained relatively stable, indicating that Assystem's emissions have plateaued with no significant change in its value chain footprint.a
In 2025, Assystem reported emissions for 8 out of the 15 Scope 3 categories defined by the GHG Protocol.a
This partial disclosure allows for some insight into the company's indirect impacts.
In 2025, the largest contributors to Assystem's Scope 3 emissions were:a
In 2025, Assystem reported Scope 1 greenhouse gas (GHG) emissions of 2,047 tCO₂e and total revenues of USD 772 millions. This translates into an emissions intensity of 2.65 tCO₂e per millions USD.a
In 2025, Assystem reported a Scope 1 emissions intensity of 2.65 tCO₂e per millions USD. Compared to the peer group median of 12.32, this places the company below its industry benchmark, indicating it is more carbon-efficient than most competitors.a
In 2025, Assystem ranked 7 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
Assystem is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency.a
In 2025, Assystem reported a total carbon footprint of 42,327 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 4.63% decrease compared to 2024, indicating progress in reducing its overall greenhouse gas output.a
The largest contributor to Assystem's total carbon footprint was Scope 3 emissions, accounting for 89.44% of the company's total carbon footprint, followed by Scope 2 emissions at 5.72%.a