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Sigmaroc PLC, often known simply as Sigmaroc, is a prominent independent construction materials group headquartered in the United Kingdom. Specialising in essential quarried materials, the company plays a vital role in supporting the wider construction work industry across multiple European markets.
Since its listing on AIM in October 2016, Sigmaroc has rapidly expanded its operations, establishing a strong presence across the UK, Belgium, the Netherlands, and Germany. It is a leading supplier of high-quality aggregates, asphalt, ready-mixed concrete, precast concrete, and lime.
Through a strategic "buy-and-build" approach, Sigmaroc has solidified its position as one of the largest independent aggregates businesses in the UK. The group’s focus on core construction materials ensures a reliable supply chain for diverse infrastructure and building projects.
58
DitchCarbon score
+34 vs industry average
Sigmaroc’s score of 58 is higher than 74% of the industry. This can give you a sense of how well the company is doing compared to its peers.
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Industry Intensity
High
Construction Work has above-average carbon intensity
Industry performance
0.390
20182025
The Construction Work industry has reduced its overall emissions by 39% since 2018
Emissions trajectory 2020 – 2028
202020212022202320242025202620272028
Reported emissions
Scope 1
•••kg CO₂e
Scope 2
•••kg CO₂e
Scope 3
•••kg CO₂e
Total reported
•••kg CO₂e
Scope 3 accounts for ••• of total emissions.
Sigmaroc's reported carbon emissions
Sigmaroc, a UK-based construction materials company, reported total carbon emissions of approximately 3.165 billion kg CO2e in 2025. This includes Scope 1 emissions from mobile combustion (780.1 million kg CO2e) and process emissions (2.039 billion kg CO2e), as well as Scope 2 emissions from purchased electricity (116.7 million kg CO2e). Scope 3 emissions from business travel were about 146,000 kg CO2e in 2025.
In 2024, Sigmaroc's total emissions were approximately 3.382 billion kg CO2e. This comprised Scope 1 emissions (1.022 billion kg CO2e from mobile combustion and 2.243 billion kg CO2e from process emissions), Scope 2 emissions from purchased electricity (116.1 million kg CO2e), and Scope 3 emissions from business travel (218,000 kg CO2e).
The company has set several climate commitments. Sigmaroc aims for a 20% reduction in Scope 1 emissions from a 2021 baseline by 2024. They also target a 20% reduction in Scope 2 emissions from a 2021 baseline by 2024. Sigmaroc launched its "Road Map to Net Zero" in 2021, committing to achieving net-zero emissions across its operations (Scope 1 and 2) by 2040. The company has also submitted a net-zero target for Scope 1 and 2 emissions by 2040 to the SBTi, which is currently under review. Sigmaroc has a broader net-zero target across all scopes by 2040. The company is recognised by the SBTi as having made a net-zero commitment.
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Sigmaroc’s Climate Goals (2030 & 2050)
2025
Near-zero scope 1 & 2
Target to achieve near-zero emissions for direct operations and purchased energy
On track94%
2030
62% reduction in total GHG
Vs 2019 baseline. Validated by SBTi. Includes full supply chain.
At risk48%
2040
50% reduction in Scope 3 intensity
Across purchased goods and services and logistics.
Behind target22%
Showing SBTi-validated targets only. Sign up or sign in to see all disclosed climate targets.
Scope 3 top emissions categories
1 of 15 categories disclosedSee all scope 3 categories
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Climate initiatives
Science Based Targets Initiative
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Not active
Carbon Disclosure Project
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Active
The Climate Pledge
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Not active
UN Global Compact Climate Champions initiative
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Not active
RE 100
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Not active
Climate Action 100
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Not active
Emissions comparison with industry peers
View similar organisationsCompanyCountryIndustryLast updatedScoreDetails
Sigmaroc14 days ago
58
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Frequently asked questions
Common questions about Sigmaroc’s sustainability data and climate commitments
In 2025, Sigmaroc reported total carbon emissions of approximately 3.165 billion kg CO2e. The largest portion of these emissions, roughly 64%, came from Scope 1 process emissions, totaling about 2.039 billion kg CO2e. Scope 1 mobile combustion accounted for nearly 780 million kg CO2e, while Scope 2 purchased electricity contributed around 117 million kg CO2e. Scope 3 emissions from business travel were a minor component, at approximately 146,000 kg CO2e. This breakdown highlights the significant impact of industrial processes on Sigmaroc's overall carbon footprint.
Data year: 2025
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