In 2025, Kier Group 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).
Kier Group has also provided a category-level breakdown for 9 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 | 26,873a | 28,853a | 31,342a | |
Total Scope 2 | ||||
Market-Based | 860a | 115a | 328a | |
Location-Based | 2,266a | 2,521a | 3,601a | |
Total Scope 3 | 684,479a | 787,008a | 905,529a | |
Total Scope 1 Revenue Intensity (tCO2e/$M) | N/A | 5.8427a | 7.3493a |
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In 2025, the total operational greenhouse gas (GHG) emissions of Kier Group amounted to 29,139 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 Kier Group decreased by 7.12%, 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 Kier Group were 26,873 metric tons of CO₂ equivalent (tCO₂e).a
Since 2019, Kier Group's Scope 1 emissions have decreased by 69.97%, reflecting a declining long-term trend in Scope 1 emissions over time.a
Compared to the previous year (2024), Kier Group's Scope 1 emissions decreased by 6.86%, highlighting the company's efforts to lower direct emissions from assets it owns or controls.a
In 2025, Kier Group reported Scope 2 greenhouse gas (GHG) emissions of 860 tCO₂e using the market-based method and 2,266 tCO₂e using the location-based method.a
Since 2019, Kier Group's Scope 2 greenhouse gas (GHG) emissions (Location-Based) have decreased by 68.4%, reflecting a declining long-term trend in Scope 2 emissions over time.a
Compared to the previous year (2024), Kier Group's Scope 2 emissions (Location-Based) fell by 10.12% in 2025, showing that the company has made progress in taking action to reduce the climate impact of its energy consumption.a
In 2025, Kier Group reported its Scope 2 emissions using the market-based method and using the location-based method.a
In 2025, Kier Group reported 684,479 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 Kier Group includes a breakdown across 9 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, Kier Group reported total Scope 3 emissions of 684,479 metric tons of CO₂ equivalent (tCO₂e).a
Approximately 93.66% of these emissions originated from upstream activities such as purchased goods and capital goods, while 6.34% came from downstream activities like product use, distribution, and end-of-life treatment.a
Compared to the previous year (2024), Kier Group's Scope 3 emissions decreased by 13.03%, highlighting the company's efforts to lower indirect emissions from its value chain.a
In 2025, Kier Group reported emissions for 9 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 Kier Group's Scope 3 emissions were:a
In 2024, Kier Group reported Scope 1 greenhouse gas (GHG) emissions of 28,853 tCO₂e and total revenues of USD 4,938 millions. This translates into an emissions intensity of 5.84 tCO₂e per millions USD.a
In 2024, Kier Group reported a Scope 1 emissions intensity of 5.84 tCO₂e per millions USD. Compared to the peer group median of 13.06, this places the company below its industry benchmark, indicating it is more carbon-efficient than most competitors.a
In 2024, Kier Group ranked 8 out of 24 companies in its industry peer group, based on Scope 1 emissions intensity (measured in tCO₂e per millions USD).a
Kier Group is therefore positioned in the mid-range of its industry, neither a clear leader nor a laggard in carbon efficiency.a
In 2025, Kier Group reported a total carbon footprint of 713,618 metric tons of CO₂ equivalent (tCO₂e) across Scope 1, Scope 2, and Scope 3 emissions. This represents a 12.8% decrease compared to 2024, indicating progress in reducing its overall greenhouse gas output.a
The largest contributor to Kier Group's total carbon footprint was Scope 3 emissions, accounting for 95.92% of the company's total carbon footprint, followed by Scope 1 emissions at 3.77%.a