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Siam Cement Public Company Limited, commonly known as SCG, is a leading Thai conglomerate specialising in cement, lime, and plaster products. Headquartered in Bangkok, Thailand, SCG has established a strong presence across Southeast Asia and beyond, serving diverse construction and industrial sectors. Founded in 1913, the company has a long history of innovation and growth, reaching key milestones that have solidified its position as a market leader.
SCG’s core offerings include high-quality cement, lime, and plaster solutions, recognised for their durability and sustainability. The company’s commitment to technological advancement and environmental responsibility distinguishes its products in competitive markets. As a prominent player in the building materials industry, SCG continues to drive growth through strategic expansion and a focus on sustainable development.
46
DitchCarbon score
+18 vs industry average
Siam Cement’s score of 46 is higher than 59% 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
Very High
Cement Production is among the most carbon-intensive industries
Industry performance
6.448
20182025
The Cement Production industry has reduced its overall emissions by 38% 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.
Siam Cement's reported carbon emissions
Siam Cement, headquartered in Thailand and operating in the Cement, lime and plaster industry, reported its Scope 1 emissions as approximately 26.07 billion kg CO2e in 2025. Its market-based Scope 2 emissions for the same year were approximately 2.99 billion kg CO2e.
Siam Cement has set ambitious climate commitments. The company targets Net Zero greenhouse gas (GHG) emissions for Scope 1 and Scope 2 by 2050. Additionally, Siam Cement aims to reduce its absolute Scope 1 and 2 GHG emissions by 25% by 2030, using a 2020 base year. This near-term target is consistent with a "Well-below 2°C" classification, according to the Science Based Targets initiative (SBTi). The company also has an SBTi-validated target to reduce absolute Scope 3 GHG emissions from the use of sold fossil fuels by 25% by 2031, against a 2021 base year.
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Siam Cement’s Climate Goals (2030 & 2050)
3 goals2030
25% reduction in Scope 1
SCG commits to reduce absolute scope 1 and 2 GHG emissions 25% by 2030 from a 2020 base year*. SCG also commits to reduce absolute scope 3 G…
At risk25%
2030
25% reduction in Scope 2
SCG commits to reduce absolute scope 1 and 2 GHG emissions 25% by 2030 from a 2020 base year*. SCG also commits to reduce absolute scope 3 G…
Behind target25%
2031
25% reduction in scope 3 total
SCG commits to reduce absolute scope 1 and 2 GHG emissions 25% by 2030 from a 2020 base year*. SCG also commits to reduce absolute scope 3 G…
Insufficient data25%
Showing SBTi-validated targets only. Sign up or sign in to see all disclosed climate targets.
Scope 3 top emissions categories
No scope 3 category breakdown has been disclosed yet.
Climate initiatives
Science Based Targets Initiative
2031 targetSee details
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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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
Siam Cement19 days ago
46
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Frequently asked questions
Common questions about Siam Cement’s sustainability data and climate commitments
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