Aon plc, a leading global professional services firm headquartered in Great Britain, operates primarily in the Other Business Services sector. Founded in 1982, Aon has established itself as a key player in risk management, insurance brokerage, and human resources solutions. With a strong presence in major operational regions including North America, Europe, and Asia-Pacific, Aon delivers innovative services tailored to meet the diverse needs of its clients.
The company’s core offerings encompass risk advisory, insurance solutions, and retirement consulting, distinguished by their data-driven approach and commitment to client success. Aon’s market position is bolstered by notable achievements, including its recognition as a top insurance broker and its extensive global network, which enhances its ability to provide comprehensive solutions.
+27 vs industry average
Aon’s score of 59 is higher than 73% 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
Business Services has below-average carbon intensity
Industry performance
The Business Services industry has increased its overall emissions by 24% since 2019
Emissions trajectory 2020 – 2028
Reported emissions
Scope 3 accounts for ••• of total emissions.
Aon's reported carbon emissions
Aon's commitment to achieving net-zero greenhouse gas emissions by 2030 is a key element of its climate strategy. In line with this, Aon plc has set Science Based Targets (SBTi) to reduce absolute Scope 1 and 2 greenhouse gas emissions by 55% by 2032, using 2019 as the baseline year. Furthermore, the company aims for 81% of its suppliers, covering purchased goods and services, capital goods, and upstream leased assets, to have science-based targets by 2027. In terms of emissions, for the reporting year 2025, Aon reported Scope 1 emissions of approximately 20.19 million kg CO2e and Scope 2 emissions (market-based) of about 23.29 million kg CO2e. For the previous year, 2024, Scope 1 emissions were approximately 15.23 million kg CO2e, with Scope 2 (market-based) emissions at approximately 31.79 million kg CO2e. In 2023, Scope 1 emissions were around 16.79 million kg CO2e and Scope 2 (market-based) emissions were approximately 32.19 million kg CO2e. For 2022, total emissions were reported as approximately 396.2 million kg CO2e, comprising Scope 1 emissions of about 12.50 million kg CO2e, Scope 2 emissions of approximately 37.37 million kg CO2e, and Scope 3 emissions of approximately 346.33 million kg CO2e. In 2021, total emissions reached approximately 472.61 million kg CO2e, with Scope 1 at around 6.18 million kg CO2e, Scope 2 at approximately 24.21 million kg CO2e, and Scope 3 at about 442.22 million kg CO2e. For 2020, Scope 1 emissions were approximately 4.40 million kg CO2e and Scope 2 emissions were about 46.83 million kg CO2e, with business travel contributing 12.98 million kg CO2e to Scope 3. In 2019, total emissions were approximately 538.76 million kg CO2e, including Scope 1 at about 14.06 million kg CO2e, Scope 2 at approximately 22.30 million kg CO2e, and Scope 3 at around 502.40 million kg CO2e. Scope 1 and 2 emissions data for 2018 were approximately 49.89 million kg CO2e, and for 2017, they were approximately 95.21 million kg CO2e. Scope 1 and 2 emissions for 2016 were approximately 120.14 million kg CO2e. Aon is headquartered in Great Britain and operates within the "Other business services (74)" industry.
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Aon’s Climate Goals (2030 & 2050)
1 goal2030
Aon remains committed to achieving net-zero greenhouse gas e…
Aon remains committed to achieving net-zero greenhouse gas emissions by 2030,
2030
62% reduction in total GHG
Vs 2019 baseline. Validated by SBTi. Includes full supply chain.
2040
50% reduction in Scope 3 intensity
Across purchased goods and services and logistics.
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Scope 3 top emissions categories
No scope 3 category breakdown has been disclosed yet.
Climate initiatives
Science Based Targets Initiative
Carbon Disclosure Project
The Climate Pledge
UN Global Compact Climate Champions initiative
RE 100
Climate Action 100
Emissions comparison with industry peers
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Aon
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Common questions about Aon’s sustainability data and climate commitments
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